Lewis and Clark County, MT

County

2024 Population

73,464

US Senator

Steve Daines

Republican Party

US Senator

Tim Sheehy

Republican Party

2024 Median Age

41.8

1.21% 1-year increase

2024 Poverty Rate

8.06%

7.5% 1-year decrease

2024 Median Household Income

$78,237

4.96% 1-year growth

2024 Median Property Value

Population & Diversity

Lewis and Clark County, MT is home to a population of 73.5k people, from which 99.3% are citizens.

As of 2024, 1.87% of Lewis and Clark County, MT residents were born outside of the country (1.37k people).

In 2024, there were 27.6 times more White (Non-Hispanic) residents (65.1k people) in Lewis and Clark County, MT than any other race or ethnicity. There were 2.36k Two Races Excluding Other, & Three or More Races (Non-Hispanic) and 1.49k White (Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

99.3%

2024 Citizenship

99.3%

2023 Citizenship

As of 2024, 99.3% of Lewis and Clark County, MT residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in Lewis and Clark County, MT was 99.3%, meaning that the rate of citizenship has been increasing.

The following chart shows US citizenship percentages in Lewis and Clark County, MT compared to that of it's neighboring and parent geographies.

Diversity

Race and Ethnicity

The 3 largest ethnic groups in Lewis and Clark County, MT

White (Non-Hispanic)
65.1k ± 439
Two Races Excluding Other, & Three or More Races (Non-Hispanic)
2.36k ± 311
White (Hispanic)
1.49k ± 274

4.03%

Hispanic Population

2.96k people

4.03% of the people in Lewis and Clark County, MT are hispanic (2.96k people).

The following chart shows the 8 races represented in Lewis and Clark County, MT as a share of the total population.

Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for Montana.

Most Common Origin

Canada
4,118 ± 1,573 people
Mexico
2,905 ± 1,322 people
Philippines
1,984 ± 1,093 people

In 2024, the most common birthplace for the foreign-born residents of Montana was Canada, the natal country of 4,118 Montana residents, followed by Mexico with 2,905 and Philippines with 1,984.

Foreign-Born Population

1.87%

2024 Foreign-Born Population

1.37k people

1.87%

2023 Foreign-Born Population

1.36k people

As of 2024, 1.87% of Lewis and Clark County, MT residents (1.37k people) were born outside of the United States, which is approximately the same as the national average of 14%. In 2023, the percentage of foreign-born citizens in Lewis and Clark County, MT was 1.87%, meaning that the rate has been increasing.

The following chart shows the percentage of foreign-born residents in Lewis and Clark County, MT compared to that of it's neighboring and parent geographies.

Military

Veterans

Most Common Service Period

Gulf War (2001-)
1,960 ± 341
Vietnam
1,751 ± 279
Gulf War (1990s)
729 ± 159

Lewis and Clark County, MT has a large population of military personnel who served in Gulf War (2001-), 1.12 times greater than any other conflict.

The chart shows the distribution of veterans by conflict in Lewis and Clark County, MT.

Health

94.3% of the population of Lewis and Clark County, MT has health coverage, with 47.2% on employee plans, 14.5% on Medicaid, 14% on Medicare, 15.6% on non-group plans, and 3.07% on military or VA plans.

Primary care physicians in Lewis and Clark County, MT see 1,062 patients per year on average, which represents a 0% change from the previous year (1,062 patients). Compare this to dentists who see 1154 patients per year, and mental health providers who see 169 patients per year.

By gender, of the total number of insured persons, 49.3% were men and 50.7% were women.

Coverage

Patient to Clinician Ratios

1,062 to 1

Patient to Primary Care Physician Ratio in Lewis and Clark County, MT

Primary care physicians in Lewis and Clark County, MT see an average of 1,062 patients per year. This represents a 0% change from the previous year (1,062 patients).

The following chart shows how the number of patients seen by primary care physicians has been changing over time in Lewis and Clark County, MT in comparison to its neighboring geographies.

Location of Health Services Facilities

Health Service Type

Top 5 Health Facilities Servicing the Greatest Number of Addresses

Health Practice Name
12345 Community Center Dr., Hayward, CA 94540 Census Tract # 4001
Health Practice Name
12345 Community Center Dr., Hayward, CA 94540 Census Tract # 4002
Health Practice Name
12345 Community Center Dr., Hayward, CA 94540 Census Tract # 4003
Health Practice Name
12345 Community Center Dr., Hayward, CA 94540 Census Tract # 4004
Health Practice Name
12345 Community Center Dr., Hayward, CA 94540 Census Tract # 4005

Health Care Diversity

In 2024, insured persons according to age ranges were distributed in 22.5% under 18 years, 18.2% between 18 and 34 years, 39.2% between 35 and 64 years, and 20.1% over 64 years.

By gender, of the total number of insured persons, 49.3% were men and 50.7% were women.

The following chart shows the number of people with health coverage by gender.

Uninsured People

5.67%

Uninsured

47.2%

Employer Coverage

14.5%

Medicaid

14%

Medicare

15.6%

Non-Group

3.07%

Military or VA

Between 2023 and 2024, the percent of uninsured citizens in Lewis and Clark County, MT declined by 8.29% from 6.18% to 5.67%.

The following chart shows how the percent of uninsured individuals in Lewis and Clark County, MT changed over time compared with the percent of individuals enrolled in various types of health insurance.

Health Indicators

Health Outcomes

Indicator

In 2025, the average number of mentally unhealthy days reported in past 30 days (age-adjusted) was 5.22 in Lewis and Clark County, MT.

The graphic shows the trend of the indicator in Lewis and Clark County, MT.

Health Behaviors

Indicator

In 2025, the percentage of the adult population (age 18 and older) that reports a body mass index (BMI) greater than or equal to 30 kg/m2 (age-adjusted) was 30.1% in Lewis and Clark County, MT.

The graphic shows the trend of the indicator in Lewis and Clark County, MT.

Clinical Care

Indicator

In 2025, the percentage of population under age 65 without health insurance was 9.53% in Lewis and Clark County, MT.

The graphic shows the trend of the indicator in Lewis and Clark County, MT.

Economy

The economy of Lewis and Clark County, MT employs 36.6k people. In 2024, the largest industries in Lewis and Clark County, MT were Health Care & Social Assistance (6,454 people), Public Administration (6,021 people), and Retail Trade (3,531 people), and the highest paying industries were Professional, Scientific, & Technical Services ($78,438), Finance & Insurance ($71,588), and Mining, Quarrying, & Oil & Gas Extraction ($69,155).

Employment

Occupations

36.6k

2024 Value

± 1,510

2.39%

1 Year growth

± 5.73%

From 2023 to 2024, employment in Lewis and Clark County, MT grew at a rate of 2.39%, from 35.7k employees to 36.6k employees.

The most common job groups, by number of people living in Lewis and Clark County, MT, are Management Occupations (4,756 people), Office & Administrative Support Occupations (3,780 people), and Business & Financial Operations Occupations (3,231 people). This chart illustrates the share breakdown of the primary jobs held by residents of Lewis and Clark County, MT.

Unemployment Insurance Claims

Data is only available at the state level. Showing data for Montana.

This chart shows weekly unemployment insurance claims in Montana (not-seasonally adjusted) compared with the four states with the most similar impact.

The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

Industries

Employment by Industries

36.6k

2024 Value

± 1,510

2.39%

1 Year growth

± 5.73%

From 2023 to 2024, employment in Lewis and Clark County, MT grew at a rate of 2.39%, from 35.7k employees to 36.6k employees.

The most common employment sectors for those who live in Lewis and Clark County, MT, are Health Care & Social Assistance (6,454 people), Public Administration (6,021 people), and Retail Trade (3,531 people). This chart shows the share breakdown of the primary industries for residents of Lewis and Clark County, MT, though some of these residents may live in Lewis and Clark County, MT and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$56,149

Median earning men ± $3,685

$45,286

Median earning women ± $2,393

The industries with the best median earnings for men in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($106,458), Information ($80,682), and Professional, Scientific, & Management, & Administrative & Waste Management Services ($72,341).

The industries with the best median earnings for women in 2024 are Public Administration ($62,658), Finance & Insurance, & Real Estate & Rental & Leasing ($60,000), and Construction ($56,597).

Employment by Industry Sector

Data is only available at the state level. Showing data for Montana.

Y-Axis

2.24%

Year-over-year growth

Employment change between February 2022 and February 2023

As of February 2023, there are 508k people employed in Montana. This represents a 2.24% increase in employment when compared to February 2022.

Right after the beginning of the COVID-19 pandemic, during April 2020, a general dip can be seen across industry sectors, resulting in an overall decline in employment by 11.8%.

The following chart shows monthly employment numbers for each industry sector in Montana.

Establishments by Size

The industries with the most establishments

261
Construction
190
Professional, Scientific, and Technical Services
183
Other Services (except Public Administration)

The visualization shows the distribution of establishments by industry and by size according to the number of employees.

The visualization shows the number of establishments and its share across establishment sizes.

Payroll by Industry Sector

The industries with the highest total annual payroll

$363k
Health Care and Social Assistance
$167k
Finance and Insurance
$142k
Retail Trade

The chart shows the total annual payroll and the average annual payroll by industry.

Education

The student population of Lewis and Clark County, MT in 2024 is skewed towards women, with 1,139 male students and 1,571 female students.

Most students graduating from Universities in Lewis and Clark County, MT are White (417 and 76.9%), Unknown (51 and 9.41%), Two or More Races (33 and 6.09%), and Hispanic or Latino (23 and 4.24%).

The largest universities in Lewis and Clark County, MT by number of degrees awarded are Carroll College (271 and 50%) and Helena College University of Montana (271 and 50%).

The most popular majors in Lewis and Clark County, MT are General Studies (81 and 14.9%), Registered Nursing (69 and 12.7%), and Airframe Mechanics & Aircraft Maintenance Technology (32 and 5.9%).

The median tuition cost for private four year colleges is $40,132.

Admissions & Enrollments

Applicants, Admissions & Enrolled

University

Measure

In 2024 in Lewis and Clark County, MT, the percentage of applicants admitted was 70.9%, while the percentage of admitted who enrolled was 21.6%. The number of students enrolled in 2024 was 2,710 (42% men and 58% women).

The line chart shows the evolution of the percentage of applicants admitted, admitted who enrolled or the number of students enrolled according to the option selected in the upper button.

Enrollments by Gender and Races

Universities

In 2024 there were 2,710 students enrolled in Lewis and Clark County, MT, 42% men and 58% women.

By race, the largest number of students enrolled was concentrated in White with 2,061 records, of which 59.2% were women and 40.8% men.

Completions

Concentrations

Most Common

Registered Nursing
38 degrees awarded
General Biological Sciences
25 degrees awarded
General Health Services
25 degrees awarded

In 2024, the most common concentation for Bachelors Degree recipients in Lewis and Clark County, MT was Registered Nursing with 38 degrees awarded.

This visualization illustrates the percentage of students graduating with a Bachelors Degree from schools in Lewis and Clark County, MT according to their major.

Universities

Gender

Race

Largest Universities by degrees awarded

Carroll College
271 degrees awarded
Helena College University of Montana
271 degrees awarded

In 2024, the institution with the largest number of graduating students was Carroll College with 271 degrees awarded.

Student Diversity

University

In 2024, 219 men were awarded degrees from institutions in Lewis and Clark County, MT, which is 0.678 times less than the 323 female students who received degrees in the same year.

In 2024, the most common race/ethnicity group awarded degrees at institutions was White students. These 417 degrees mean that there were 8.18 times more degrees awarded to White students then the next closest race/ethnicity group, Unknown, with 51 degrees awarded.

Awarded Degrees over Time

The graph shows the evolution of awarded degrees by degrees. Under the paragraphs, the average number of awarded degrees by university in each degree is shown.

Tuition

Average Net Price by Sector

Universities

Private not-for-profit, 4-year or above ($40,132) is the sector with the highest median state tuition in 2024.

Private not-for-profit, 4-year or above ($1,352) is the sector with the highest median state fee in 2024.

Public, 2-year ($1,516) is the sector with the highest average net price of books and supplies.

The graph shows the average net price by sector and year.

Housing & Living

The median property value in Lewis and Clark County, MT was $393,500 in 2024, which is 1.18 times larger than the national average of $332,700. Between 2023 and 2024 the median property value increased from $358,200 to $393,500, a 9.85% increase. The homeownership rate in Lewis and Clark County, MT is 70.1%, which is higher than the national average of 65.2%.

People in Lewis and Clark County, MT have an average commute time of 18.3 minutes, and they drove alone to work. Car ownership in Lewis and Clark County, MT is approximately the same as the national average, with an average of 2 cars per household.

In 2025, 11.2% of the population was living with severe housing problems in Lewis and Clark County, MT. From 2014 to 2025, the indicator declined 1.32%.

Housing

Property

$393,500

Median Property Value 2024

±$9,364

$21,877

Median Property Taxes

±$1,071

The following chart display owner-occupied housing units distributed between a series of property tax buckets compared to the national averages for each bucket. In Lewis and Clark County, MT the largest share of households pay taxes in the $3k+ range.

The chart underneath the paragraph shows the property taxes in Lewis and Clark County, MT compared to it's parent and neighbor geographies.

Rent vs Own

70.1%

Homeownership

2024

66.8%

Homeowners with Mortgage

2024

In 2024, 70.1% of the housing units in Lewis and Clark County, MT were occupied by their owner. This percentage grew from the previous year's rate of 69.7%.

This chart shows the percentage of owner in Lewis and Clark County, MT compared it's parent and neighboring geographies.

Equity

Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.

$78,237

Median Household Income

± $3,203

31.2k

Number of Households

± 1,337

In 2024, the median household income of the 31.2k households in Lewis and Clark County, MT grew to $78,237 from the previous year's value of $74,543.

The following chart displays the households in Lewis and Clark County, MT distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $75k - $100k range.

Wage Distribution

The closest comparable wage GINI for Lewis and Clark County, MT is from Montana.

0.458

2024 Wage GINI in Montana

0.46

2023 Wage GINI in Montana

In 2024, the income inequality in Montana was 0.458 according to the GINI calculation of the wage distribution. Income inequality had a 0.613% decline from 2023 to 2024, which means that wage distribution grew somewhat more even. The GINI for Montana was lower than than the national average of 0.474. In other words, wages are distributed more evenly in Montana in comparison to the national average.

This chart shows the number of workers in Montana across various wage buckets compared to the national average.

Transportation

Commuter Transportation

Most Common Commute in 2024

Drove Alone (68.1%)
Worked At Home (14.5%)
Carpooled (10.8%)

In 2024, 68.1% of workers in Lewis and Clark County, MT drove alone to work, followed by those who worked at home (14.5%) and those who carpooled to work (10.8%).

The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

Commute Time

18.3 minutes

Average Travel Time

Using averages, employees in Lewis and Clark County, MT have a shorter commute time (18.3 minutes) than the normal US worker (26.4 minutes). Additionally, 1.58% of the workforce in Lewis and Clark County, MT have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in Lewis and Clark County, MT compares to that of it's neighboring and parent geographies.

Car Ownership

2 cars

Average Number

The following chart displays the households in Lewis and Clark County, MT distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Lewis and Clark County, MT have 2 cars.

Poverty

Severe Housing Problems

In 2025, 11.2% of the population was living with severe housing problems in Lewis and Clark County, MT. From 2014 to 2025, the indicator declined 1.32%.

The graph shows the trend of the percentage of the population living with severe housing problems.

Poverty & Diversity

8.06% of the population for whom poverty status is determined in Lewis and Clark County, MT (5.81k out of 72.1k people) live below the poverty line, a number that is lower than the national average of 12.5%. The largest demographic living in poverty are Females 18 - 24, followed by Females 55 - 64 and then Males 65 - 74.

The most common racial or ethnic group living below the poverty line in Lewis and Clark County, MT is White, followed by Hispanic and Two Or More.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

Children in Poverty

In 2025, 9.6% of the children was living in poverty in Lewis and Clark County, MT. From 2014 to 2025, the indicator declined 6%.

The graph shows the trend of the percentage of the children living in poverty.

Social Needs

Data only available at the state level.

Most prevalent states

California
35,798 individuals
New York
5,087 individuals

In 2017, California had the highest estimated number of chronically homeless individuals in the nation, at 35,798, followed by New York (5,087).

The following map shows the estimated number of chronically homeless individuals by state over multiple years.

Security

Crimes & Accidents

Indicator

In 2022, the number of reported violent crimes offenses per 100,000 population was 424 in Lewis and Clark County, MT. From 2014 to 2022, the indicator grew 126% per 100,000 population.

The graph shows the trend in the number of reported violent crimes offenses per 100,000 population.

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