Census tract · Montgomery County
Census Tract 9579, Montgomery County, Illinois
Census Tract 9579, GEOID 17135957900, in Montgomery County, Illinois, mostly within Hillsboro (64% of its census blocks). 4,596 residents in the ACS 2020-2024 5-year estimates (±321); the 2020 Census counted 4,590.
Residents, 2020-2024
4,596
±321 (90% margin)
2020 Census count: 4,590
Median household income
$51,061
±$5,950 (90% margin)
Montgomery County: $63,620
Median home value
$115,500
±$27,990 (90% margin)
Montgomery County: $112,300
Median gross rent
$722
±$95 (90% margin)
Montgomery County: $723
Where is Census Tract 9579?
Census Tract 9579 is one of 8 census tracts in Montgomery County, Illinois. It covers 11.89 square miles of land, 386 residents per square mile in 2020. Its GEOID, 17135957900, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Hillsboro | 64% |
| Hillsboro Township | 61% |
| East Fork Township, Montgomery County | 28% |
| Schram City | 21% |
| Irving Township | 6% |
| Butler Grove Township | 5% |
| Taylor Springs | 1% |
3 census tracts border Census Tract 9579: Tract 9574 ($65,521), Tract 9576 ($96,184) and Tract 9580 ($65,865). 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 9579?
The 2020-2024 American Community Survey puts Census Tract 9579's population at 4,596 (±321) in 2,072 households; the 2020 Census counted 4,590 residents and 2,258 housing units.
| Measure | Tract 9579 | Hillsboro |
|---|---|---|
| Total population | 4,596 ±321 | 5,803 |
| Households | 2,072 ±161 | 1,817 |
| Average household size | 2.15 ±0.14 | 2.13 |
| Housing units | 2,289 ±180 | 2,009 |
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 9579?
The median resident of Census Tract 9579 is 46.1 years old; 21.5% are under 18 and 22.5% are 65 or older. The largest group is non-Hispanic white residents at 93.0%, then Hispanic or Latino residents (of any race) at 2.9%.
| Measure | Tract 9579 | Hillsboro |
|---|---|---|
| Median age | 46.1 ±3.0 | 40.4 |
| Under 18 years | 21.5% ±3.0 pts | 14.8% |
| 65 years and over | 22.5% ±5.0 pts | 14.9% |
| Hispanic or Latino (any race) | 2.9% ±1.9 pts | 5.7% |
| White alone, not Hispanic | 93.0% ±3.1 pts | 77.0% |
| Black or African American alone, not Hispanic | 0.3% ±0.4 pts | 12.7% |
| Asian alone, not Hispanic | 0.4% ±0.5 pts | 0.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.8 pts | 0.1% |
| Two or more races, not Hispanic | 2.5% ±1.8 pts | 3.3% |
| Some other race alone, not Hispanic | 1.0% ±1.5 pts | 0.8% |
| Born outside the United States | 0.9% ±1.4 pts | 1.2% |
| Speak a language other than English at home (age 5+) | 3.2% ±2.2 pts | 6.8% |
| Civilian veterans (age 18+) | 11.1% ±4.4 pts | 8.7% |
| With a disability | 18.5% ±4.5 pts | 17.5% |
| No health insurance coverage | 3.5% ±1.8 pts | 3.1% |
| High school graduate or higher (age 25+) | 92.4% ±3.8 pts | 84.4% |
| Bachelor's degree or higher (age 25+) | 19.5% ±5.6 pts | 13.1% |
| Graduate or professional degree (age 25+) | 10.3% ±3.7 pts | 6.7% |
| Lived in the same house a year earlier | 89.9% ±5.1 pts | 80.4% |
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 9579 earn?
Half of the 2,072 households in Census Tract 9579 earn less than $51,061 a year (±$5,950), against $63,620 across Montgomery County: 7th highest of the county's 8 tracts with a reliable estimate. 12.2% of residents live below the poverty line.
| Measure | Tract 9579 | Hillsboro |
|---|---|---|
| Median household income | $51,061 ±$5,950 | $50,158 |
| Mean household income | $75,037 ±$9,794 | $74,467 |
| Per capita income | $32,379 ±$3,690 | $24,331 |
| People below the poverty line | 12.2% ±5.4 pts | 11.6% |
| Children under 18 below the poverty line | 7.6% ±9.4 pts | 6.2% |
| Households receiving SNAP | 20.5% ±6.9 pts | 19.3% |
| Households with a computer | 89.3% ±4.5 pts | 90.0% |
| Households with a broadband subscription | 87.9% ±4.7 pts | 89.4% |
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 9579?
Owners occupy 75.4% of Census Tract 9579's occupied homes and renters 24.6%. The median owner-occupied home is valued at $115,500 by its owner (±$27,990). The median renter pays $722 a month including utilities, and 26.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 9579 | Hillsboro |
|---|---|---|
| Median home value (owner-occupied) | $115,500 ±$27,990 | $111,700 |
| Median gross rent | $722 ±$95 | $715 |
| Renters paying 35% or more of income on rent | 26.1% ±13.7 pts | 27.7% |
| Median monthly owner costs, with a mortgage | $1,226 ±$119 | $1,205 |
| Owner-occupied homes | 75.4% ±7.0 pts | 78.4% |
| Renter-occupied homes | 24.6% ±7.0 pts | 21.6% |
| Housing units | 2,289 ±180 | 2,009 |
| Single-family detached homes | 81.5% ±7.4 pts | 84.2% |
| Mobile homes | 4.1% ±3.9 pts | 3.0% |
| Built 2020 or later | 0.4% ±0.9 pts | 0.0% |
| Built 2010 to 2019 | 7.6% ±4.6 pts | 7.9% |
| Built 1939 or earlier | 23.2% ±6.8 pts | 24.7% |
| Households with no vehicle | 7.6% ±4.0 pts | 6.7% |
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 9579 get to work?
83.2% of Census Tract 9579's workers drive alone. The average trip to work takes 21.4 minutes.
| Measure | Tract 9579 | Hillsboro |
|---|---|---|
| In the labor force (age 16+) | 50.8% ±5.6 pts | 32.9% |
| Unemployment rate | 3.1% ±2.8 pts | 2.9% |
| Drove alone to work | 83.2% ±6.9 pts | 79.0% |
| Carpooled | 3.8% ±3.4 pts | 4.0% |
| Public transportation | 0.0% ±2.0 pts | 0.0% |
| Walked | 4.0% ±5.5 pts | 4.5% |
| Worked from home | 7.0% ±4.9 pts | 7.5% |
| Mean travel time to work | 21.4 min ±4.4 | 20.4 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 9579 compare with the other tracts in Montgomery County?
Among Montgomery County's tracts with a reliable estimate, Census Tract 9579 ranks as shown below (1 = highest).
| Measure | In Montgomery County |
|---|---|
| Population | 2nd of 8 |
| Residents per square mile | 3rd of 8 |
| Median household income | 7th of 8 |
| Per capita income | 5th of 8 |
| Median home value | 3rd of 8 |
| Median gross rent | 5th of 7 |
| Poverty rate | 5th of 7 |
| Bachelor's degree or higher | 5th of 8 |
| Median age | 3rd of 8 |
| Owner-occupied share | 6th of 8 |
The tracts next to it on Montgomery County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9574 | 4th | $65,521±$4,399 |
| Tract 9573 | 5th | $62,390±$7,302 |
| Tract 9577 | 6th | $60,313±$15,179 · within the margin of this tract |
| Tract 9579 | 7th | $51,061±$5,950 |
| Tract 9578 | 8th | $35,686±$10,260 |
"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 9579?
3 of the 18 figures for Census Tract 9579 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