Sully County, SD

County

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2024 Population

1,526

US Senator

John Thune

Republican Party

US Senator

Mike Rounds

Republican Party

2024 Median Age

46.9

8.75% 1-year decrease

2024 Poverty Rate

6.32%

20.4% 1-year decrease

2024 Median Household Income

$72,578

3.31% 1-year growth

2024 Median Property Value

$205,400

3.37% 1-year growth

2024 Employed Population

868

2.69% 1-year decline

About

None of the households in Sully County, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

95.4% of the residents in Sully County, SD are U.S. citizens.

In 2024, the median property value in Sully County, SD was $205,400, and the homeownership rate was 72.8%.

Most people in Sully County, SD drove alone to work, and the average commute time was 19.3 minutes. The average car ownership in Sully County, SD was 2 cars per household.

Sully County, SD borders Dewey County, SD, Hughes County, SD, Hyde County, SD, Potter County, SD, and Stanley County, SD.

United States South Dakota Pierre, SD

Population & Diversity

Sully County, SD is home to a population of 1.53k people, from which 95.4% are citizens. As of 2024, 4.78% of Sully County, SD residents were born outside of the country (73 people).

In 2024, there were 19.1 times more White (Non-Hispanic) residents (1.32k people) in Sully County, SD than any other race or ethnicity. There were 69 Black or African American (Non-Hispanic) and 60 American Indian & Alaska Native (Non-Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

95.4%

2024 Citizenship

95.9%

2023 Citizenship

As of 2024, 95.4% of Sully County, SD residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in Sully County, SD was 95.9%, meaning that the rate of citizenship has been decreasing.

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

Diversity

Race and Ethnicity

The 3 largest ethnic groups in Sully County, SD

White (Non-Hispanic)
1.32k ± 115
Black or African American (Non-Hispanic)
69 ± 70
American Indian & Alaska Native (Non-Hispanic)
60 ± 63

The following chart shows the 8 races represented in Sully County, SD 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 South Dakota.

Most Common Origin

Mexico
3,626 ± 1,475 people
Guatemala
2,932 ± 1,327 people
Ethiopia
2,627 ± 1,257 people

In 2023, the most common birthplace for the foreign-born residents of South Dakota was Mexico, the natal country of 3,626 South Dakota residents, followed by Guatemala with 2,932 and Ethiopia with 2,627.

Foreign-Born Population

4.78%

2024 Foreign-Born Population

73 people

4.25%

2023 Foreign-Born Population

63 people

As of 2024, 4.78% of Sully County, SD residents (73 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 Sully County, SD was 4.25%, meaning that the rate has been increasing.

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

Military

Veterans

Most Common Service Period

Vietnam
11 ± 16
Gulf War (2001-)
8 ± 17
Korea
2 ± 10

Sully County, SD has a large population of military personnel who served in Vietnam, 1.38 times greater than any other conflict.

The chart shows the distribution of veterans by conflict in Sully County, SD.

Economy

The economy of Sully County, SD employs 868 people. In 2024, the largest industries in Sully County, SD were Agriculture, Forestry, Fishing & Hunting (242 people), Public Administration (78 people), and Educational Services (75 people), and the highest paying industries were Transportation & Warehousing ($140,250), Transportation & Warehousing, & Utilities ($134,167), and Utilities ($109,063).

Employment

Occupations

868

2024 Value

± 113

−2.69%

1 Year decline

± 19.3%

From 2023 to 2024, employment in Sully County, SD declined at a rate of −2.69%, from 892 employees to 868 employees.

The most common job groups, by number of people living in Sully County, SD, are Management Occupations (220 people), Farming, Fishing, & Forestry Occupations (82 people), and Education Instruction, & Library Occupations (73 people). This chart illustrates the share breakdown of the primary jobs held by residents of Sully County, SD.

Unemployment Insurance Claims

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

This chart shows weekly unemployment insurance claims in South Dakota (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

868

2024 Value

± 113

−2.69%

1 Year decline

± 19.3%

From 2023 to 2024, employment in Sully County, SD declined at a rate of −2.69%, from 892 employees to 868 employees.

The most common employment sectors for those who live in Sully County, SD, are Agriculture, Forestry, Fishing & Hunting (242 people), Public Administration (78 people), and Educational Services (75 people). This chart shows the share breakdown of the primary industries for residents of Sully County, SD, though some of these residents may live in Sully County, SD and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$49,982

Median earning men ± $9,674

$42,950

Median earning women ± $5,721

The industries with the best median earnings for men in 2024 are Transportation & Warehousing, & Utilities ($141,500), Retail Trade ($90,833), and Educational Services, & Health Care & Social Assistance ($75,714).

The industries with the best median earnings for women in 2024 are Professional, Scientific, & Management, & Administrative & Waste Management Services ($61,250), Finance & Insurance, & Real Estate & Rental & Leasing ($61,250), and Public Administration ($53,472).

Employment by Industry Sector

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

Y-Axis

2.37%

Year-over-year growth

Employment change between February 2022 and February 2023

As of February 2023, there are 450k people employed in South Dakota. This represents a 2.37% 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 8.96%.

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

Establishments by Size

The industries with the most establishments

8
Construction
7
Accommodation and Food Services
5
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

$4.32k
Accommodation and Food Services
$3.8k
Wholesale Trade
$3.38k
Retail Trade

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

Housing & Living

The median property value in Sully County, SD was $205,400 in 2024, which is 0.617 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $198,700 to $205,400, a 3.37% increase. The homeownership rate in Sully County, SD is 72.8%, which is higher than the national average of 65.2%.

People in Sully County, SD have an average commute time of 19.3 minutes, and they drove alone to work. Car ownership in Sully County, SD is approximately the same as the national average, with an average of 2 cars per household.

In 2025, 7.59% of the population was living with severe housing problems in Sully County, SD. From 2014 to 2025, the indicator grew 0.786%.

Housing

Property

$205,400

Median Property Value 2024

±$32,262

$464

Median Property Taxes

±$63

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 Sully County, SD the largest share of households pay taxes in the $3k+ range.

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

Rent vs Own

72.8%

Homeownership

2024

65.4%

Homeowners with Mortgage

2024

In 2024, 72.8% of the housing units in Sully County, SD were occupied by their owner. This percentage declined from the previous year's rate of 76.1%.

This chart shows the percentage of owner in Sully County, SD 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.

$72,578

Median Household Income

± $6,950

637

Number of Households

± 79

In 2024, the median household income of the 637 households in Sully County, SD grew to $72,578 from the previous year's value of $70,250.

The following chart displays the households in Sully County, SD 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 Sully County, SD is from South Dakota.

0.443

2023 Wage GINI in South Dakota

0.438

2022 Wage GINI in South Dakota

In 2023, the income inequality in South Dakota was 0.443 according to the GINI calculation of the wage distribution. Income inequality had a 1.14% growth from 2022 to 2023, which means that wage distribution grew somewhat less even. The GINI for South Dakota was lower than than the national average of 0.476. In other words, wages are distributed more evenly in South Dakota in comparison to the national average.

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

Transportation

Commuter Transportation

Most Common Commute in 2024

Drove Alone (69.2%)
Worked At Home (13.4%)
Carpooled (12.2%)

In 2024, 69.2% of workers in Sully County, SD drove alone to work, followed by those who worked at home (13.4%) and those who carpooled to work (12.2%).

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

19.3 minutes

Average Travel Time

Using averages, employees in Sully County, SD have a shorter commute time (19.3 minutes) than the normal US worker (26.4 minutes). Additionally, 2.4% of the workforce in Sully County, SD have "super commutes" in excess of 90 minutes.

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

Car Ownership

2 cars

Average Number

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

Poverty

Severe Housing Problems

In 2025, 7.59% of the population was living with severe housing problems in Sully County, SD. From 2014 to 2025, the indicator grew 0.786%.

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

Poverty & Diversity

6.32% of the population for whom poverty status is determined in Sully County, SD (96 out of 1.52k 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 75+, followed by Females 65 - 74 and then Males 55 - 64.

The most common racial or ethnic group living below the poverty line in Sully County, SD is White, followed by Black and Native American.

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, 7.4% of the children was living in poverty in Sully County, SD. From 2014 to 2025, the indicator declined 1.1%.

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
Florida
4,915 individuals

In 2017, California had the highest estimated number of chronically homeless individuals in the nation, at 35,798. New York has the second highest (5,087), followed by Florida (4,915).

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 34.6 in Sully County, SD. From 2014 to 2022, the indicator declined 62.9 per 100,000 population.

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

Health

93.4% of the population of Sully County, SD has health coverage, with 48.9% on employee plans, 4.59% on Medicaid, 17.6% on Medicare, 21.8% on non-group plans, and 0.459% on military or VA plans.

Primary care physicians in Sully County, SD see 0 patients per year on average, which represents a NaNk% change from the previous year (0 patients). Compare this to dentists who see null patients per year, and mental health providers who see null patients per year.

By gender, of the total number of insured persons, 55.2% were men and 44.8% were women.

Coverage

Patient to Clinician Ratios

0 to 1

Patient to Primary Care Physician Ratio in Sully County, SD

Primary care physicians in Sully County, SD see an average of 0 patients per year. This represents a NaNk% change from the previous year (0 patients).

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

Health Care Diversity

In 2024, insured persons according to age ranges were distributed in 23.7% under 18 years, 15.1% between 18 and 34 years, 38.1% between 35 and 64 years, and 23.1% over 64 years.

By gender, of the total number of insured persons, 55.2% were men and 44.8% were women.

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

Uninsured People

6.62%

Uninsured

48.9%

Employer Coverage

4.59%

Medicaid

17.6%

Medicare

21.8%

Non-Group

0.459%

Military or VA

Between 2023 and 2024, the percent of uninsured citizens in Sully County, SD declined by 16.2% from 7.9% to 6.62%.

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