Census tract · Warren County
Census Tract 8702, Warren County, Illinois
Census Tract 8702, GEOID 17187870200, in Warren County, Illinois, partly within Roseville Township, Ellison Township, Greenbush Township, Swan Township, Point Pleasant Township, Roseville, Berwick Township, Avon and Tompkins Township. 2,309 residents in the ACS 2020-2024 5-year estimates (±231); the 2020 Census counted 2,573.
Residents, 2020-2024
2,309
±231 (90% margin)
2020 Census count: 2,573
Median household income
$70,568
±$12,485 (90% margin)
Warren County: $67,385
Median home value
$139,200
±$33,982 (90% margin)
Warren County: $105,000
Median gross rent
$856
±$44 (90% margin)
Warren County: $788
Where is Census Tract 8702?
Census Tract 8702 is one of 5 census tracts in Warren County, Illinois. It covers 213.58 square miles of land, 12 residents per square mile in 2020. Its GEOID, 17187870200, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Roseville Township | 24% |
| Ellison Township | 19% |
| Greenbush Township | 16% |
| Swan Township | 16% |
| Point Pleasant Township | 15% |
| Roseville | 11% |
| Berwick Township | 11% |
| Avon | 1% |
| Tompkins Township | 1% |
8 census tracts border Census Tract 8702: Tract 9530 in Fulton County ($58,977), Tract 9734 in Henderson County ($80,625), Tract 9735 in Henderson County ($54,784), Tract 15 in Knox County ($62,526), Tract 101 in McDonough County ($67,808), Tract 102 in McDonough County ($67,563), Tract 8701 ($83,902) and Tract 8703 ($65,000). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 8702?
The 2020-2024 American Community Survey puts Census Tract 8702's population at 2,309 (±231) in 1,035 households; the 2020 Census counted 2,573 residents and 1,265 housing units.
| Measure | Tract 8702 | Warren County |
|---|---|---|
| Total population | 2,309 ±231 | 16,447 |
| Households | 1,035 ±103 | 6,787 |
| Average household size | 2.17 ±0.18 | 2.27 |
| Housing units | 1,068 ±103 | 7,587 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 8702?
The median resident of Census Tract 8702 is 44.8 years old; 21.7% are under 18 and 29.0% are 65 or older. The largest group is non-Hispanic white residents at 94.9%, then Hispanic or Latino residents (of any race) at 2.2%.
| Measure | Tract 8702 | Warren County |
|---|---|---|
| Median age | 44.8 ±6.8 | 38.5 |
| Under 18 years | 21.7% ±3.9 pts | 22.5% |
| 65 years and over | 29.0% ±5.2 pts | 20.0% |
| Hispanic or Latino (any race) | 2.2% ±1.7 pts | 11.1% |
| White alone, not Hispanic | 94.9% ±2.5 pts | 81.1% |
| Black or African American alone, not Hispanic | 0.2% ±0.4 pts | 2.7% |
| Asian alone, not Hispanic | 0.7% ±1.3 pts | 2.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.2 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.6 pts | 0.1% |
| Two or more races, not Hispanic | 1.0% ±0.9 pts | 2.1% |
| Some other race alone, not Hispanic | 0.9% ±1.2 pts | 0.3% |
| Born outside the United States | 1.1% ±1.3 pts | 6.5% |
| Speak a language other than English at home (age 5+) | 9.8% ±4.2 pts | 12.0% |
| Civilian veterans (age 18+) | 10.5% ±3.1 pts | 7.3% |
| With a disability | 9.8% ±2.9 pts | 13.8% |
| No health insurance coverage | 4.8% ±3.6 pts | 5.0% |
| High school graduate or higher (age 25+) | 91.8% ±3.8 pts | 87.1% |
| Bachelor's degree or higher (age 25+) | 26.3% ±5.8 pts | 22.0% |
| Graduate or professional degree (age 25+) | 10.2% ±3.6 pts | 7.9% |
| Lived in the same house a year earlier | 91.9% ±3.6 pts | 87.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 8702 earn?
Half of the 1,035 households in Census Tract 8702 earn less than $70,568 a year (±$12,485), against $67,385 across Warren County: 2nd highest of the county's 5 tracts with a reliable estimate. 12.5% of residents live below the poverty line.
| Measure | Tract 8702 | Warren County |
|---|---|---|
| Median household income | $70,568 ±$12,485 | $67,385 |
| Mean household income | $103,176 ±$19,079 | $86,803 |
| Per capita income | $46,134 ±$8,994 | $35,164 |
| People below the poverty line | 12.5% ±6.7 pts | 14.6% |
| Children under 18 below the poverty line | 18.0% ±17.3 pts | 24.8% |
| Households receiving SNAP | 5.8% ±3.4 pts | 16.0% |
| Households with a computer | 90.8% ±4.4 pts | 93.0% |
| Households with a broadband subscription | 85.4% ±4.9 pts | 84.7% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 8702?
Owners occupy 82.6% of Census Tract 8702's occupied homes and renters 17.4%. The median owner-occupied home is valued at $139,200 by its owner (±$33,982). The median renter pays $856 a month including utilities.
| Measure | Tract 8702 | Warren County |
|---|---|---|
| Median home value (owner-occupied) | $139,200 ±$33,982 | $105,000 |
| Median gross rent | $856 ±$44 | $788 |
| Renters paying 35% or more of income on rent | 15.9% ±14.6 pts | 26.5% |
| Median monthly owner costs, with a mortgage | $1,052 ±$177 | $1,059 |
| Owner-occupied homes | 82.6% ±5.8 pts | 75.2% |
| Renter-occupied homes | 17.4% ±5.8 pts | 24.8% |
| Housing units | 1,068 ±103 | 7,587 |
| Single-family detached homes | 96.4% ±2.5 pts | 87.3% |
| Mobile homes | 1.0% ±1.2 pts | 2.6% |
| Built 2020 or later | 0.2% ±0.3 pts | 0.5% |
| Built 2010 to 2019 | 7.1% ±4.5 pts | 1.6% |
| Built 1939 or earlier | 29.3% ±6.7 pts | 33.9% |
| Households with no vehicle | 2.1% ±2.4 pts | 6.9% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 8702 get to work?
81.5% of Census Tract 8702's workers drive alone and 10.1% work from home. The average trip to work takes 27.8 minutes.
| Measure | Tract 8702 | Warren County |
|---|---|---|
| In the labor force (age 16+) | 51.4% ±6.5 pts | 61.0% |
| Unemployment rate | 2.9% ±3.2 pts | 3.6% |
| Drove alone to work | 81.5% ±6.2 pts | 80.5% |
| Carpooled | 5.8% ±4.1 pts | 5.6% |
| Public transportation | 0.0% ±4.0 pts | 0.7% |
| Walked | 2.5% ±2.4 pts | 4.6% |
| Worked from home | 10.1% ±5.0 pts | 7.4% |
| Mean travel time to work | 27.8 min ±3.4 | 18.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 8702 compare with the other tracts in Warren County?
Among Warren County's tracts with a reliable estimate, Census Tract 8702 ranks as shown below (1 = highest).
| Measure | In Warren County |
|---|---|
| Population | 5th of 5 |
| Residents per square mile | 5th of 5 |
| Median household income | 2nd of 5 |
| Per capita income | 1st of 5 |
| Median home value | 1st of 5 |
| Median gross rent | 2nd of 5 |
| Poverty rate | 3rd of 5 |
| Bachelor's degree or higher | 1st of 5 |
| Median age | 2nd of 5 |
| Owner-occupied share | 2nd of 5 |
The tracts next to it on Warren County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 8701 | 1st | $83,902±$7,408 · within the margin of this tract |
| Tract 8702 | 2nd | $70,568±$12,485 |
| Tract 8703 | 3rd | $65,000±$17,978 · within the margin of this tract |
| Tract 8705 | 4th | $63,345±$13,883 · within the margin of this tract |
| Tract 8704 | 5th | $61,225±$9,167 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 8702?
3 of the 18 figures for Census Tract 8702 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections