In 2019, Middlesex County, NJ had a population of 825k people with a median age of 39.3 and a median household income of $93,418. Between 2018 and 2019 the population of Middlesex County, NJ declined from 829,685 to 825,062, a −0.557% decrease and its median household income grew from $88,217 to $93,418, a 5.9% increase.
The 5 largest ethnic groups in Middlesex County, NJ are White (Non-Hispanic) (41.6%), Asian (Non-Hispanic) (24.4%), White (Hispanic) (13.4%), Black or African American (Non-Hispanic) (9.23%), and Other (Hispanic) (6.16%). 47.3% of the households in Middlesex County, NJ speak a non-English language at home as their primary language.
87.2% of the residents in Middlesex County, NJ are U.S. citizens.
The largest universities in Middlesex County, NJ are Rutgers University-New Brunswick (13,483 degrees awarded in 2020), Middlesex County College (1,623 degrees), and American Institute of Medical Sciences & Education (257 degrees).
In 2019, the median property value in Middlesex County, NJ was $359,000, and the homeownership rate was 63.5%. Most people in Middlesex County, NJ drove alone to work, and the average commute time was 33.4 minutes. The average car ownership in Middlesex County, NJ was 2 cars per household.