Census tract · Marion County
Census Tract 9521, Marion County, Illinois
Census Tract 9521, GEOID 17121952100, in Marion County, Illinois, entirely within Salem Township, Marion County. 2,975 residents in the ACS 2020-2024 5-year estimates (±288); the 2020 Census counted 3,175.
Residents, 2020-2024
2,975
±288 (90% margin)
2020 Census count: 3,175
Median household income
$53,125
±$12,643 (90% margin)
Marion County: $61,240
Median home value
$73,500
±$10,683 (90% margin)
Marion County: $103,000
Median gross rent
$769
±$61 (90% margin)
Marion County: $794
Where is Census Tract 9521?
Census Tract 9521 is one of 12 census tracts in Marion County, Illinois. It covers 3.68 square miles of land, 863 residents per square mile in 2020. Its GEOID, 17121952100, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Salem Township, Marion County | 100% |
| Salem | 95% |
4 census tracts border Census Tract 9521: Tract 9516 ($69,879), Tract 9519 ($67,571), Tract 9520 ($64,020) and Tract 9522 ($71,923). 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 9521?
The 2020-2024 American Community Survey puts Census Tract 9521's population at 2,975 (±288) in 1,402 households; the 2020 Census counted 3,175 residents and 1,528 housing units.
| Measure | Tract 9521 | Salem Township, Marion County |
|---|---|---|
| Total population | 2,975 ±288 | 8,914 |
| Households | 1,402 ±137 | 3,785 |
| Average household size | 2.05 ±0.22 | 2.29 |
| Housing units | 1,597 ±124 | 4,155 |
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 9521?
The median resident of Census Tract 9521 is 34.9 years old; 22.9% are under 18 and 21.0% are 65 or older. The largest group is non-Hispanic white residents at 91.3%, then non-Hispanic Black residents at 3.7%.
| Measure | Tract 9521 | Salem Township, Marion County |
|---|---|---|
| Median age | 34.9 ±2.9 | 40.3 |
| Under 18 years | 22.9% ±4.7 pts | 24.4% |
| 65 years and over | 21.0% ±4.5 pts | 20.4% |
| Hispanic or Latino (any race) | 1.0% ±0.9 pts | 0.6% |
| White alone, not Hispanic | 91.3% ±3.0 pts | 93.7% |
| Black or African American alone, not Hispanic | 3.7% ±1.8 pts | 2.3% |
| Asian alone, not Hispanic | 0.0% ±1.3 pts | 0.9% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.3 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.3 pts | 0.0% |
| Two or more races, not Hispanic | 3.6% ±2.4 pts | 2.5% |
| Some other race alone, not Hispanic | 0.4% ±0.6 pts | 0.1% |
| Born outside the United States | 0.0% ±1.3 pts | 1.1% |
| Speak a language other than English at home (age 5+) | 1.0% ±0.8 pts | 1.7% |
| Civilian veterans (age 18+) | 6.5% ±4.2 pts | 7.0% |
| With a disability | 22.8% ±4.8 pts | 20.0% |
| No health insurance coverage | 6.0% ±2.8 pts | 4.9% |
| High school graduate or higher (age 25+) | 89.9% ±5.0 pts | 93.9% |
| Bachelor's degree or higher (age 25+) | 13.6% ±4.0 pts | 18.7% |
| Graduate or professional degree (age 25+) | 1.3% ±1.0 pts | 5.4% |
| Lived in the same house a year earlier | 83.6% ±7.2 pts | 88.7% |
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 9521 earn?
Half of the 1,402 households in Census Tract 9521 earn less than $53,125 a year (±$12,643), against $61,240 across Marion County: 9th highest of the county's 12 tracts with a reliable estimate. 23.6% of residents live below the poverty line.
| Measure | Tract 9521 | Salem Township, Marion County |
|---|---|---|
| Median household income | $53,125 ±$12,643 | $64,865 |
| Mean household income | $58,467 ±$6,566 | $86,629 |
| Per capita income | $28,638 ±$4,629 | $37,537 |
| People below the poverty line | 23.6% ±8.1 pts | 12.2% |
| Children under 18 below the poverty line | 32.9% ±22.5 pts | 15.0% |
| Households receiving SNAP | 24.1% ±6.8 pts | 19.9% |
| Households with a computer | 85.9% ±4.9 pts | 91.5% |
| Households with a broadband subscription | 83.4% ±4.9 pts | 86.2% |
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 9521?
Owners occupy 54.0% of Census Tract 9521's occupied homes and renters 46.0%. The median owner-occupied home is valued at $73,500 by its owner (±$10,683). The median renter pays $769 a month including utilities, and 32.9% of renters pay 35% or more of their income on rent.
| Measure | Tract 9521 | Salem Township, Marion County |
|---|---|---|
| Median home value (owner-occupied) | $73,500 ±$10,683 | $110,300 |
| Median gross rent | $769 ±$61 | $771 |
| Renters paying 35% or more of income on rent | 32.9% ±13.8 pts | 26.0% |
| Median monthly owner costs, with a mortgage | $784 ±$123 | $1,173 |
| Owner-occupied homes | 54.0% ±8.1 pts | 68.1% |
| Renter-occupied homes | 46.0% ±8.1 pts | 31.9% |
| Housing units | 1,597 ±124 | 4,155 |
| Single-family detached homes | 59.5% ±7.1 pts | 71.8% |
| Mobile homes | 11.1% ±4.7 pts | 11.1% |
| Built 2020 or later | 0.0% ±2.3 pts | 0.0% |
| Built 2010 to 2019 | 0.8% ±0.9 pts | 3.4% |
| Built 1939 or earlier | 19.4% ±7.2 pts | 14.5% |
| Households with no vehicle | 11.7% ±4.0 pts | 6.5% |
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 9521 get to work?
86.5% of Census Tract 9521's workers drive alone. The average trip to work takes 15.6 minutes.
| Measure | Tract 9521 | Salem Township, Marion County |
|---|---|---|
| In the labor force (age 16+) | 57.6% ±5.1 pts | 62.1% |
| Unemployment rate | 6.0% ±5.5 pts | 3.2% |
| Drove alone to work | 86.5% ±6.4 pts | 84.7% |
| Carpooled | 5.4% ±4.5 pts | 8.5% |
| Public transportation | 0.4% ±0.6 pts | 0.2% |
| Walked | 2.5% ±2.7 pts | 0.9% |
| Worked from home | 4.2% ±4.3 pts | 4.5% |
| Mean travel time to work | 15.6 min ±2.2 | 15.3 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 9521 compare with the other tracts in Marion County?
Among Marion County's tracts with a reliable estimate, Census Tract 9521 ranks as shown below (1 = highest).
| Measure | In Marion County |
|---|---|
| Population | 7th of 12 |
| Residents per square mile | 6th of 12 |
| Median household income | 9th of 12 |
| Per capita income | 8th of 12 |
| Median home value | 9th of 12 |
| Median gross rent | 8th of 12 |
| Poverty rate | 4th of 12 |
| Bachelor's degree or higher | 7th of 12 |
| Median age | 11th of 12 |
| Owner-occupied share | 10th of 12 |
The tracts next to it on Marion County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9519 | 6th | $67,571±$11,056 · within the margin of this tract |
| Tract 9520 | 7th | $64,020±$11,385 · within the margin of this tract |
| Tract 9518 | 8th | $53,167±$12,196 · within the margin of this tract |
| Tract 9521 | 9th | $53,125±$12,643 |
| Tract 9525 | 10th | $45,270±$12,721 · within the margin of this tract |
| Tract 9527 | 11th | $43,229±$10,572 · within the margin of this tract |
| Tract 9526 | 12th | $32,679±$14,672 |
"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 9521?
3 of the 18 figures for Census Tract 9521 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