Geneseo, IL Demographics

Population 9,883 · Census ACS 2020–24

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Geneseo, IL map of median age by neighborhood
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Population and households in Geneseo

Household size in Geneseo

Household size, people per household
PeriodGeneseoIllinoisU.S.
2006–102.542.692.68
2010–142.592.712.73
2015–192.442.662.71
2020–242.422.582.65
Change−0.12−0.11−0.03
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Households in Geneseo run small, averaging 2.42 people against 2.65 nationally, which usually means more singles and couples and fewer children. Household size has dropped from 2.54 in 2006–10, a much bigger shift than nationally. Households are largest in the northwest and smallest in the east.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Geneseo

Median age, years
PeriodGeneseoIllinoisU.S.
2006–1042.837.637.7
2010–1443.838.538.6
2015–1942.739.639.6
2020–2445.340.240.1
Change+2.5+2.6+2.3
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Geneseo skews older: half of its residents are older than 45.3, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 42.8 in 2006–10, in line with the national trend.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Geneseo

Single-parent households, % of households
PeriodGeneseoIllinoisU.S.
2006–106.3%11.7%12.3%
2010–148.1%11.7%12.3%
2015–1910.1%11.1%11.6%
2020–249.8%11.3%11.6%
Change+3.4 pts−0.4 pts−0.6 pts
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Single parents head about one in ten households in Geneseo (9.8%), a little below the national share of 11.6%. The single-parent share is up 3.4 points from 2006–10, even as the national share fell.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Geneseo

Renters in Geneseo

Renters, % of occupied homes
PeriodGeneseoIllinoisU.S.
2006–1018.5%30.8%33.3%
2010–1420.6%33.1%35.6%
2015–1921.1%33.9%36.0%
2020–2418.2%32.9%34.8%
Change−0.3 pts+2.1 pts+1.5 pts
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Only 18.2% of households in Geneseo rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. About four in ten owners (39.6%) have paid off their mortgages, about the same as nationally. Rentals cluster in the center; owners are most common in the northwest.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Geneseo

Vacant homes, % of all homes
PeriodGeneseoIllinoisU.S.
2006–108.7%10.0%11.4%
2010–147.0%10.1%11.4%
2015–1911.5%9.8%11.1%
2020–248.9%8.1%9.6%
Change+0.2 pts−1.9 pts−1.8 pts
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About as many homes sit empty in Geneseo as nationally: 8.9%, against 9.6%. Compared with other Illinois cities, Geneseo has a higher vacancy rate than most.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Geneseo

Age of homes, median year built
PeriodGeneseoIllinoisU.S.
2006–10196419661974
2010–14196519671975
2015–19196619681977
2020–24196619701980
Change+3+4+6
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The housing in Geneseo is old by national standards: the median home dates to 1966, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Illinois as a whole looks much the same. Newer construction is concentrated in the south, while the center has the oldest housing.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Geneseo

Rent, per month
PeriodGeneseoIllinoisU.S.
2006–10$759$953$965
2010–14$602$1,028$1,040
2015–19$705$1,165$1,213
2020–24$996$1,428$1,571
Change+$237+$475+$606
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Rent in Geneseo runs $996 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $237 a month from 2006–10, a 31% rise, a slower climb than the nation's. The typical renter here spends 30.8% of household income on rent, just over the 30% mark often used to define affordable rent. The priciest rents are in the southeast; the most affordable are in the northeast.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Geneseo

Bachelor's degrees in Geneseo

Bachelor's degrees, % of adults 25+
PeriodGeneseoIllinoisU.S.
2006–1029.4%31.2%28.4%
2010–1427.9%32.4%29.6%
2015–1934.0%34.7%32.1%
2020–2435.6%37.7%35.6%
Change+6.2 pts+6.5 pts+7.2 pts
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Just over a third of adults 25 and older in Geneseo (35.6%) hold at least a bachelor's degree, the same as the national share. The share with a degree is up 6.2 points from 2006–10, mirroring the country. College graduates are most concentrated in the south and least in the east.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Geneseo

High school graduates, % of adults 25+
PeriodGeneseoIllinoisU.S.
2006–1093.2%86.3%84.9%
2010–1495.0%87.5%86.1%
2015–1995.5%89.1%87.7%
2020–2495.0%90.3%89.3%
Change+1.9 pts+4.0 pts+4.3 pts
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High school completion is high in Geneseo: 95.0% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has risen 1.9 points, as it has nationally.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Geneseo

Unemployment, % of the labor force
PeriodGeneseoIllinoisU.S.
2006–102.6%8.7%8.1%
2010–144.0%10.2%9.4%
2015–192.8%6.1%5.6%
2020–243.4%6.0%5.4%
Change+0.7 pts−2.7 pts−2.7 pts
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Unemployment in Geneseo has been low: just 3.4% of the labor force was out of work and looking, well below the national rate of 5.4%. Since 2006–10, unemployment has edged up 0.7 points, even as the national rate fell. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Geneseo compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Geneseo2.4245.39.8%18.2%8.9%1966$99635.6%95.0%3.4%
Joslin2.7443.39.5%6.1%6.3%1969$98640.2%96.7%3.2%
Osborn2.7239.712.9%2.1%3.7%1972$1,01844.2%97.9%3.1%
Green River2.2254.03.8%3.7%2.6%1974$1,00024.5%99.1%9.8%
Atkinson2.3043.49.2%18.2%7.7%1951$74922.6%96.7%4.9%
Osco2.2159.89.1%11.0%9.6%1942$96420.4%94.0%5.7%
Cleveland2.4852.77.7%1.8%3.2%1973$83921.6%88.7%4.1%
Colona2.5543.713.3%15.7%10.7%1969$83222.4%91.2%2.0%
Spring Hill2.6640.57.7%14.1%7.8%1959$69025.6%97.6%3.5%
Hillsdale2.3448.78.6%13.5%11.3%1958$98920.2%94.2%6.0%
Green Rock2.3738.221.8%38.1%24.5%1965$74823.3%84.9%0.0%

All figures 2020–24.

Cities with similar populations: West Terre Haute, IN · Ware, MA · Wareham Center, MA · Warr Acres, OK · Hooper, UT · Washington Terrace, UT · Honea Path, SC · Holualoa, HI · Washingtonville, NY · Waterloo, NY

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Geneseo. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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