Recent estimates As of the fourth quarter of 2024, the median home value in Genesee County was $191,311. As of the 2023
American Community Survey, the average household size was 2.40 persons, the county had a median household income of $60,673, and approximately 17.9% of the county's population lived at or below the
poverty line. Genesee County had an estimated 58.3% employment rate, with 22.8% of the population holding a bachelor's degree or higher and 90.9% holding a high school diploma. The top five reported ancestries (people were allowed to report up to two ancestries, thus the figures will generally add to more than 100%) were English (96.2%), Spanish (0.9%), Indo-European (1.0%), Asian and Pacific Islander (0.7%), and Other (1.2%).
2020 census As of the
2020 census, there were 406,211 people, 167,118 households, and 105,520 families residing in the county. The
population density was . The median age was 40.9 years, with 22.2% of residents under the age of 18 and 18.1% aged 65 years or older. For every 100 females there were 94.5 males, and for every 100 females age 18 and over there were 91.4 males age 18 and over. The racial makeup of the county was 71.2%
White, 19.7%
Black or African American, 0.4%
American Indian and Alaska Native, 1.0%
Asian, <0.1%
Native Hawaiian and
Pacific Islander, 1.2% from some other race, and 6.5% from
two or more races.
Hispanic or Latino residents of any race comprised 4.0% of the population. 81.8% of residents lived in urban areas, while 18.2% lived in rural areas. Of the 167,118 households, 28.4% had children under the age of 18 living in them, 40.2% were married-couple households, 20.1% were households with a male householder and no spouse or partner present, and 31.6% were households with a female householder and no spouse or partner present. About 30.9% of all households were made up of individuals and 12.9% had someone living alone who was 65 years of age or older. There were 183,087 housing units, of which 8.7% were vacant. Among occupied housing units, 69.4% were owner-occupied and 30.6% were renter-occupied. The homeowner vacancy rate was 1.4% and the rental vacancy rate was 10.2%.
2010 census As of the
2010 census, there were 425,790 people, 169,202 households, and 111,620 families residing in the county. The population density was . There were 192,180 housing units at an average density of . The racial makeup of the county was 74.54%
White, 20.70%
African American, 0.53%
Native American, 0.91%
Asian, 0.02%
Pacific Islander, 0.71% from some other races and 2.59% from two or more races.
Hispanic or Latino people of any race were 3.05% of the population. In terms of ancestry, 18.0% were of
German, 11.0%
Irish, 10.6%
English, 5.5%
Polish 5.4%
American and 4.8%
French. There were 169,202 households, 32.6% had children under the age of 18 living with them, 43.3% were
married couples living together, 17.2% had a female householder with no husband present, 34.0% were non-families, and 28.4% of all households were made up of individuals. The average household size was 2.48 and the average family size was 3.03. The median age was 39 years. In the county, 25.0% of the population was under the age of 18, 8.9% from 18 to 24, 24.7% from 25 to 44, 27.6% from 45 to 64, and 13.7% was 65 years of age or older. The median age was 39 years. For every 100 females, there were 93.1 males. For every 100 females age 18 and over, there were 89.4 males. The median income for a household in the county was $38,819 and the median income for a family was $48,979. Males had a median income of $27,269 versus $18,082 for females. The
per capita income for the county was $19,860. About 16.9% of families and 21.0% of the population were below the
poverty line, including 31.0% of those under age 18 and 6.3% of those age 65 or over. ==Government and politics==