Census tract · Carroll County
Census Tract 9604, Carroll County, Illinois
Census Tract 9604, GEOID 17015960400, in Carroll County, Illinois, mostly within Mount Carroll Township (59% of its census blocks). 1,947 residents in the ACS 2020-2024 5-year estimates (±197); the 2020 Census counted 1,944.
Residents, 2020-2024
1,947
±197 (90% margin)
2020 Census count: 1,944
Median household income
$54,483
±$5,539 (90% margin)
Carroll County: $60,758
Median home value
$98,900
±$13,812 (90% margin)
Carroll County: $114,500
Median gross rent
$747
±$61 (90% margin)
Carroll County: $818
Where is Census Tract 9604?
Census Tract 9604 is one of 6 census tracts in Carroll County, Illinois. It covers 44.42 square miles of land, 44 residents per square mile in 2020. Its GEOID, 17015960400, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mount Carroll Township | 59% |
| Mount Carroll | 55% |
| Salem Township, Carroll County | 33% |
| Fairhaven Township | 3% |
| Woodland Township, Carroll County | 2% |
| Freedom Township, Carroll County | 1% |
| Rock Creek-Lima Township | 1% |
| York Township, Carroll County | 1% |
4 census tracts border Census Tract 9604: Tract 9601 ($74,861), Tract 9602 ($64,013), Tract 9605 ($69,784) and Tract 9606 ($68,281). 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 9604?
The 2020-2024 American Community Survey puts Census Tract 9604's population at 1,947 (±197) in 914 households; the 2020 Census counted 1,944 residents and 1,042 housing units.
| Measure | Tract 9604 | Mount Carroll Township |
|---|---|---|
| Total population | 1,947 ±197 | 1,927 |
| Households | 914 ±95 | 994 |
| Average household size | 2.03 ±0.18 | 1.86 |
| Housing units | 1,094 ±79 | 1,168 |
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 9604?
The median resident of Census Tract 9604 is 42.2 years old; 20.4% are under 18 and 22.8% are 65 or older. The largest group is non-Hispanic white residents at 94.1%, then Hispanic or Latino residents (of any race) at 2.3%.
| Measure | Tract 9604 | Mount Carroll Township |
|---|---|---|
| Median age | 42.2 ±4.4 | 50.9 |
| Under 18 years | 20.4% ±5.2 pts | 15.3% |
| 65 years and over | 22.8% ±4.1 pts | 27.1% |
| Hispanic or Latino (any race) | 2.3% ±2.2 pts | 2.3% |
| White alone, not Hispanic | 94.1% ±2.6 pts | 94.4% |
| Black or African American alone, not Hispanic | 1.0% ±1.1 pts | 0.8% |
| Asian alone, not Hispanic | 1.3% ±1.2 pts | 1.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.9 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.9 pts | 0.0% |
| Two or more races, not Hispanic | 1.0% ±0.9 pts | 1.0% |
| Some other race alone, not Hispanic | 0.2% ±0.3 pts | 0.2% |
| Born outside the United States | 1.8% ±1.4 pts | 2.0% |
| Speak a language other than English at home (age 5+) | 3.7% ±2.4 pts | 3.7% |
| Civilian veterans (age 18+) | 8.9% ±2.7 pts | 11.5% |
| With a disability | 17.6% ±5.1 pts | 16.8% |
| No health insurance coverage | 4.3% ±2.6 pts | 1.7% |
| High school graduate or higher (age 25+) | 95.5% ±2.4 pts | 93.6% |
| Bachelor's degree or higher (age 25+) | 22.1% ±4.1 pts | 20.2% |
| Graduate or professional degree (age 25+) | 7.4% ±2.5 pts | 6.6% |
| Lived in the same house a year earlier | 86.8% ±3.8 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 9604 earn?
Half of the 914 households in Census Tract 9604 earn less than $54,483 a year (±$5,539), against $60,758 across Carroll County: 5th highest of the county's 6 tracts with a reliable estimate. 18.9% of residents live below the poverty line.
| Measure | Tract 9604 | Mount Carroll Township |
|---|---|---|
| Median household income | $54,483 ±$5,539 | $53,558 |
| Mean household income | $70,462 ±$6,281 | $71,236 |
| Per capita income | $32,503 ±$4,066 | $36,571 |
| People below the poverty line | 18.9% ±7.4 pts | 13.3% |
| Children under 18 below the poverty line | 42.8% ±17.3 pts | 29.1% |
| Households receiving SNAP | 13.3% ±4.2 pts | 12.2% |
| Households with a computer | 95.4% ±2.9 pts | 95.4% |
| Households with a broadband subscription | 88.4% ±3.9 pts | 91.4% |
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 9604?
Owners occupy 71.1% of Census Tract 9604's occupied homes and renters 28.9%. The median owner-occupied home is valued at $98,900 by its owner (±$13,812). The median renter pays $747 a month including utilities, and 25.5% of renters pay 35% or more of their income on rent.
| Measure | Tract 9604 | Mount Carroll Township |
|---|---|---|
| Median home value (owner-occupied) | $98,900 ±$13,812 | $95,900 |
| Median gross rent | $747 ±$61 | $838 |
| Renters paying 35% or more of income on rent | 25.5% ±13.6 pts | 40.8% |
| Median monthly owner costs, with a mortgage | $1,129 ±$168 | $1,073 |
| Owner-occupied homes | 71.1% ±7.2 pts | 67.7% |
| Renter-occupied homes | 28.9% ±7.2 pts | 32.3% |
| Housing units | 1,094 ±79 | 1,168 |
| Single-family detached homes | 84.1% ±5.3 pts | 79.2% |
| Mobile homes | 2.6% ±2.4 pts | 3.7% |
| Built 2020 or later | 1.6% ±2.1 pts | 0.0% |
| Built 2010 to 2019 | 0.0% ±3.4 pts | 0.0% |
| Built 1939 or earlier | 42.0% ±6.9 pts | 37.7% |
| Households with no vehicle | 2.1% ±1.7 pts | 4.0% |
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 9604 get to work?
77.6% of Census Tract 9604's workers drive alone and 6.1% work from home. The average trip to work takes 25.8 minutes. The unemployment rate in 2020-2024 averaged 2.7%.
| Measure | Tract 9604 | Mount Carroll Township |
|---|---|---|
| In the labor force (age 16+) | 64.1% ±5.2 pts | 60.8% |
| Unemployment rate | 2.7% ±1.6 pts | 2.9% |
| Drove alone to work | 77.6% ±6.9 pts | 71.6% |
| Carpooled | 12.3% ±6.1 pts | 12.9% |
| Public transportation | 1.0% ±1.4 pts | 2.8% |
| Walked | 2.8% ±1.8 pts | 4.3% |
| Worked from home | 6.1% ±3.9 pts | 6.4% |
| Mean travel time to work | 25.8 min ±3.4 | 27.8 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 9604 compare with the other tracts in Carroll County?
Among Carroll County's tracts with a reliable estimate, Census Tract 9604 ranks as shown below (1 = highest).
| Measure | In Carroll County |
|---|---|
| Population | 5th of 6 |
| Residents per square mile | 3rd of 6 |
| Median household income | 5th of 6 |
| Per capita income | 4th of 6 |
| Median home value | 5th of 6 |
| Median gross rent | 6th of 6 |
| Poverty rate | 1st of 5 |
| Bachelor's degree or higher | 3rd of 6 |
| Median age | 4th of 6 |
| Owner-occupied share | 5th of 6 |
The tracts next to it on Carroll County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9605 | 2nd | $69,784±$11,196 |
| Tract 9606 | 3rd | $68,281±$10,284 |
| Tract 9602 | 4th | $64,013±$7,215 |
| Tract 9604 | 5th | $54,483±$5,539 |
| Tract 9603 | 6th | $49,821±$13,132 · 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 9604?
3 of the 18 figures for Census Tract 9604 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