Census tract · Mason County
Census Tract 9566, Mason County, Illinois
Census Tract 9566, GEOID 17125956600, in Mason County, Illinois, partly within Bath Township, Kilbourne Township, Lynchburg Township, Kilbourne, Bath, Havana Township, Crane Creek Township and Havana. 1,599 residents in the ACS 2020-2024 5-year estimates (±234); the 2020 Census counted 1,762.
Residents, 2020-2024
1,599
±234 (90% margin)
2020 Census count: 1,762
Median household income
$59,615
±$10,284 (90% margin)
Mason County: $62,845
Median home value
$91,000
±$12,209 (90% margin)
Mason County: $103,400
Median gross rent
$783
±$122 (90% margin)
Mason County: $802
Where is Census Tract 9566?
Census Tract 9566 is one of 6 census tracts in Mason County, Illinois. It covers 162.77 square miles of land, 11 residents per square mile in 2020. Its GEOID, 17125956600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Bath Township | 41% |
| Kilbourne Township | 29% |
| Lynchburg Township | 18% |
| Kilbourne | 14% |
| Bath | 13% |
| Havana Township | 11% |
| Crane Creek Township | 1% |
| Havana | 0% |
8 census tracts border Census Tract 9566: Tract 9601 in Cass County ($64,333), Tract 9603 in Cass County ($74,335), Tract 9539 in Fulton County ($55,956), Tract 9564 ($79,392), Tract 9565 ($41,184), Tract 9567 ($61,333), Tract 103 in Menard County ($90,638) and Tract 9703 in Schuyler County ($68,068). 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 9566?
The 2020-2024 American Community Survey puts Census Tract 9566's population at 1,599 (±234) in 726 households; the 2020 Census counted 1,762 residents and 1,022 housing units.
| Measure | Tract 9566 | Mason County |
|---|---|---|
| Total population | 1,599 ±234 | 12,745 |
| Households | 726 ±87 | 5,781 |
| Average household size | 2.20 ±0.25 | 2.17 |
| Housing units | 967 ±90 | 6,622 |
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 9566?
The median resident of Census Tract 9566 is 47.1 years old; 20.7% are under 18 and 22.9% are 65 or older. The largest group is non-Hispanic white residents at 97.1%, then Hispanic or Latino residents (of any race) at 1.9%.
| Measure | Tract 9566 | Mason County |
|---|---|---|
| Median age | 47.1 ±5.7 | 45.4 |
| Under 18 years | 20.7% ±6.1 pts | 20.8% |
| 65 years and over | 22.9% ±6.1 pts | 23.1% |
| Hispanic or Latino (any race) | 1.9% ±2.0 pts | 1.6% |
| White alone, not Hispanic | 97.1% ±2.1 pts | 94.2% |
| Black or African American alone, not Hispanic | 0.0% ±2.3 pts | 0.5% |
| Asian alone, not Hispanic | 0.0% ±2.3 pts | 0.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±2.3 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±2.3 pts | 0.0% |
| Two or more races, not Hispanic | 1.1% ±0.7 pts | 3.1% |
| Some other race alone, not Hispanic | 0.0% ±2.3 pts | 0.0% |
| Born outside the United States | 2.1% ±2.2 pts | 0.9% |
| Speak a language other than English at home (age 5+) | 4.5% ±4.4 pts | 2.2% |
| Civilian veterans (age 18+) | 10.5% ±3.4 pts | 8.3% |
| With a disability | 20.6% ±4.8 pts | 17.9% |
| No health insurance coverage | 4.6% ±2.3 pts | 3.9% |
| High school graduate or higher (age 25+) | 96.3% ±2.0 pts | 93.0% |
| Bachelor's degree or higher (age 25+) | 15.8% ±4.3 pts | 17.1% |
| Graduate or professional degree (age 25+) | 8.7% ±3.8 pts | 5.5% |
| Lived in the same house a year earlier | 97.7% ±1.7 pts | 92.6% |
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 9566 earn?
Half of the 726 households in Census Tract 9566 earn less than $59,615 a year (±$10,284), against $62,845 across Mason County: 5th highest of the county's 6 tracts with a reliable estimate. 9.8% of residents live below the poverty line.
| Measure | Tract 9566 | Mason County |
|---|---|---|
| Median household income | $59,615 ±$10,284 | $62,845 |
| Mean household income | $77,764 ±$13,692 | $78,083 |
| Per capita income | $35,526 ±$6,472 | $34,815 |
| People below the poverty line | 9.8% ±6.0 pts | 14.8% |
| Children under 18 below the poverty line | 7.6% ±15.5 pts | 19.6% |
| Households receiving SNAP | 10.6% ±5.1 pts | 15.5% |
| Households with a computer | 90.4% ±5.7 pts | 91.6% |
| Households with a broadband subscription | 87.5% ±6.1 pts | 87.0% |
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 9566?
Owners occupy 89.0% of Census Tract 9566's occupied homes and renters 11.0%. The median owner-occupied home is valued at $91,000 by its owner (±$12,209). The median renter pays $783 a month including utilities.
| Measure | Tract 9566 | Mason County |
|---|---|---|
| Median home value (owner-occupied) | $91,000 ±$12,209 | $103,400 |
| Median gross rent | $783 ±$122 | $802 |
| Renters paying 35% or more of income on rent | 12.0% ±12.3 pts | 54.8% |
| Median monthly owner costs, with a mortgage | $1,313 ±$409 | $1,140 |
| Owner-occupied homes | 89.0% ±4.2 pts | 81.8% |
| Renter-occupied homes | 11.0% ±4.2 pts | 18.2% |
| Housing units | 967 ±90 | 6,622 |
| Single-family detached homes | 91.5% ±4.1 pts | 88.9% |
| Mobile homes | 8.5% ±4.1 pts | 4.2% |
| Built 2020 or later | 1.2% ±1.4 pts | 0.3% |
| Built 2010 to 2019 | 2.3% ±3.2 pts | 2.6% |
| Built 1939 or earlier | 31.2% ±7.9 pts | 29.1% |
| Households with no vehicle | 1.1% ±1.0 pts | 7.9% |
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 9566 get to work?
75.4% of Census Tract 9566's workers drive alone. The average trip to work takes 43.5 minutes. The unemployment rate in 2020-2024 averaged 5.3%.
| Measure | Tract 9566 | Mason County |
|---|---|---|
| In the labor force (age 16+) | 59.3% ±8.2 pts | 54.3% |
| Unemployment rate | 5.3% ±3.0 pts | 4.9% |
| Drove alone to work | 75.4% ±11.0 pts | 82.8% |
| Carpooled | 10.3% ±4.9 pts | 4.5% |
| Public transportation | 0.0% ±5.3 pts | 0.3% |
| Walked | 0.6% ±1.1 pts | 2.2% |
| Worked from home | 10.2% ±10.9 pts | 8.2% |
| Mean travel time to work | 43.5 min ±8.9 | 30.4 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 9566 compare with the other tracts in Mason County?
Among Mason County's tracts with a reliable estimate, Census Tract 9566 ranks as shown below (1 = highest).
| Measure | In Mason County |
|---|---|
| Population | 6th of 6 |
| Residents per square mile | 5th of 6 |
| Median household income | 5th of 6 |
| Per capita income | 4th of 6 |
| Median home value | 6th of 6 |
| Median gross rent | 3rd of 5 |
| Poverty rate | 5th of 6 |
| Bachelor's degree or higher | 3rd of 6 |
| Median age | 2nd of 6 |
| Owner-occupied share | 2nd of 6 |
The tracts next to it on Mason County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9563 | 2nd | $70,775±$5,465 · within the margin of this tract |
| Tract 9568 | 3rd | $67,165±$14,211 · within the margin of this tract |
| Tract 9567 | 4th | $61,333±$10,909 · within the margin of this tract |
| Tract 9566 | 5th | $59,615±$10,284 |
| Tract 9565 | 6th | $41,184±$17,969 · 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 9566?
4 of the 18 figures for Census Tract 9566 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