Genesee County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 5th-largest in Michigan
The population of Genesee County, Michigan is 404,087 as of the 2023 American Community Survey, making it the 5th-largest county in Michigan. The median household income is $60,673, the median home value is $172,900, and the median age is 40.6.
The population of Genesee County has declined 5.3% since 2010 (424,959 → 402,279), a -0.39% annualized rate.
404,087
Population
-0.39%
Annual growth
634
People / sq mi
$60,673
Median Income
$172,900
Median Home Value
Genesee County covers 637 sq mi of land at 634.4 people per square mile.
About Genesee County, MI
What distinguishes Genesee County is density: among the most densely settled of US counties, around 634 people per square mile. Genesee County is a county in Michigan with a population of 404,087. That makes it one of the ten largest counties in Michigan in the country, at #5 by population.
Median household income is $60,673, below the US median of $78,538. Poverty runs at 10.9%, below the national 12.4%. Homes carry a median value of $172,900, with typical rent around $936.
Degree attainment is mid-range for US counties: 22.8% of adults hold a four-year degree, below the national 35.0%. Around 9.2% of workers work from home, below the national 14.0%, and the average commute runs about 27 minutes each way.
That density explains much of the rest of the profile in Genesee County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Genesee County Population History (2010-2024)
The county of Genesee County had a population of 424,959 in 2010 and 402,279 in 2024, a -5.3% growth over 14 years. The peak was 424,959 in 2010. Average annual growth rate: -0.39%.
402,279
Population (2024)
424,959
Population (2010)
424,959
Peak (2010)
-0.39%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 424,959 |
| 2011 | 422,062 |
| 2012 | 418,243 |
| 2013 | 415,713 |
| 2014 | 412,950 |
| 2015 | 410,574 |
| 2016 | 409,054 |
| 2017 | 407,673 |
| 2018 | 406,626 |
| 2019 | 405,702 |
| 2020 | 405,793 |
| 2021 | 404,713 |
| 2022 | 402,031 |
| 2023 | 401,711 |
| 2024 | 402,279 |
Race & Ethnicity
| White | 72.6% |
| Black or African American | 19.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Age & Sex
40.6
Median Age
51.5%
Female
48.5%
Male
18.3%
Age 65+
Age Distribution
Children (under 15): 18.2% · Seniors (65+): 18.3%
Income & Poverty
| Median household income | $60,673$-10,476 vs state |
| Mean household income | $82,790 |
| Per-capita income | $34,587 |
| Poverty rate | 10.9%+2.1% vs state |
| Unemployment rate | 4.8% |
| Employment-to-population | 53.4% |
Top Industries by Employment
The largest employment sector in Genesee County is professional & business services, accounting for 23.7% of workers.
How residents commute
1.1%
Drive alone
1.0%
Carpool
79.1%
Public transit
9.2%
Work from home
26.9 min
Avg commute
Housing
$172,900$-44,700 vs state
Median home value
$936
Median rent
70.8%
Homeownership rate
183,729
Total housing units
90.6%
Occupied
9.4%
Vacant
29.2%
Renter-occupied
Social & access
95.2%
With health insurance
93.8%
With broadband internet
13.4%
Foreign-born
6.8%
Veterans (18+)
17.8%
With a disability
96.0%
Speak language other than English at home
Education
90.9%
High School+
22.8%
Bachelor's+
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County rankings
Common questions about Genesee County, MI
Frequently Asked Questions
Genesee County, Michigan has a population of 404,087 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest county in Michigan. Population density is 634 people per square mile.
The population of Genesee County has declined 5.3% since 2010 (424,959 → 402,279), a -0.39% annualized rate.
The median household income in Genesee County, Michigan is $60,673, with mean (average) household income of $82,790 and per-capita income of $34,587. 10.9% of residents live below the federal poverty level.
In Genesee County, the largest racial and ethnic groups are White (72.6%), Black or African American (19.4%), Hispanic or Latino (1.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Genesee County, Michigan is 40.6 years. Residents are 51.5% female and 48.5% male.
The median home value in Genesee County is $172,900 and median monthly rent is $936. 70.8% of occupied housing units are owner-occupied. The county has 183,729 total housing units, 9.4% of which are vacant.
The largest employment sector in Genesee County, Michigan is professional, scientific, and management services, employing 23.7% of workers. The unemployment rate is 4.8%.
Detroit is among the largest cities associated with Genesee County, Michigan, with a population of 636,644.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.