Census tract · Johnson County
Census Tract 9776, Johnson County, Illinois
Census Tract 9776, GEOID 17087977600, in Johnson County, Illinois, partly within New Burnside, Simpson, Vienna and Goreville. 4,380 residents in the ACS 2020-2024 5-year estimates (±446); the 2020 Census counted 4,332.
Residents, 2020-2024
4,380
±446 (90% margin)
2020 Census count: 4,332
Median household income
$69,289
±$9,345 (90% margin)
Johnson County: $62,528
Median home value
$208,800
±$16,895 (90% margin)
Johnson County: $160,500
Median gross rent
$1,255
±$524 (90% margin)
Johnson County: $781
Where is Census Tract 9776?
Census Tract 9776 is one of 4 census tracts in Johnson County, Illinois. It covers 148.96 square miles of land, 29 residents per square mile in 2020. Its GEOID, 17087977600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| New Burnside | 4% |
| Simpson | 2% |
| Vienna | 2% |
| Goreville | 2% |
7 census tracts border Census Tract 9776: Tract 9777 ($66,250), Tract 9778 ($52,237), Tract 9800*, Tract 9712 in Pope County ($63,516), Tract 9562 in Saline County ($72,226), Tract 208.02 in Williamson County ($83,846) and Tract 214 in Williamson County ($82,806). The figure in brackets is each tract's median household income; * a special land-use tract (water, a park or an institution) with few or no residents.
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 9776?
The 2020-2024 American Community Survey puts Census Tract 9776's population at 4,380 (±446) in 1,653 households; the 2020 Census counted 4,332 residents and 2,453 housing units.
| Measure | Tract 9776 | Johnson County |
|---|---|---|
| Total population | 4,380 ±446 | 13,376 |
| Households | 1,653 ±192 | 4,101 |
| Average household size | 2.65 ±0.25 | 2.82 |
| Housing units | 2,551 ±120 | 5,541 |
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 9776?
The median resident of Census Tract 9776 is 50.8 years old; 16.3% are under 18 and 25.7% are 65 or older. The largest group is non-Hispanic white residents at 86.6%, then non-Hispanic residents of two or more races at 8.1%.
| Measure | Tract 9776 | Johnson County |
|---|---|---|
| Median age | 50.8 ±5.9 | 41.4 |
| Under 18 years | 16.3% ±3.1 pts | 18.6% |
| 65 years and over | 25.7% ±3.5 pts | 19.7% |
| Hispanic or Latino (any race) | 3.9% ±2.5 pts | 4.5% |
| White alone, not Hispanic | 86.6% ±6.8 pts | 80.1% |
| Black or African American alone, not Hispanic | 0.0% ±0.9 pts | 7.8% |
| Asian alone, not Hispanic | 0.5% ±0.5 pts | 0.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Two or more races, not Hispanic | 8.1% ±6.1 pts | 7.2% |
| Some other race alone, not Hispanic | 0.8% ±1.1 pts | 0.2% |
| Born outside the United States | 1.2% ±1.2 pts | 1.2% |
| Speak a language other than English at home (age 5+) | 1.6% ±1.2 pts | 2.3% |
| Civilian veterans (age 18+) | 12.1% ±3.9 pts | 8.1% |
| With a disability | 17.1% ±4.0 pts | 18.6% |
| No health insurance coverage | 4.6% ±2.2 pts | 8.1% |
| High school graduate or higher (age 25+) | 92.0% ±4.4 pts | 85.4% |
| Bachelor's degree or higher (age 25+) | 27.9% ±5.5 pts | 19.6% |
| Graduate or professional degree (age 25+) | 13.9% ±4.2 pts | 7.6% |
| Lived in the same house a year earlier | 91.2% ±3.4 pts | 84.0% |
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 9776 earn?
Half of the 1,653 households in Census Tract 9776 earn less than $69,289 a year (±$9,345), against $62,528 across Johnson County: 1st highest of the county's 3 tracts with a reliable estimate. 8.8% of residents live below the poverty line.
| Measure | Tract 9776 | Johnson County |
|---|---|---|
| Median household income | $69,289 ±$9,345 | $62,528 |
| Mean household income | $91,695 ±$10,326 | $78,647 |
| Per capita income | $38,263 ±$4,776 | $27,765 |
| People below the poverty line | 8.8% ±4.1 pts | 17.6% |
| Children under 18 below the poverty line | 10.3% ±7.8 pts | 22.4% |
| Households receiving SNAP | 6.9% ±3.0 pts | 12.9% |
| Households with a computer | 92.3% ±3.5 pts | 88.0% |
| Households with a broadband subscription | 83.7% ±4.6 pts | 80.1% |
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 9776?
Owners occupy 93.3% of Census Tract 9776's occupied homes and renters 6.7%. The median owner-occupied home is valued at $208,800 by its owner (±$16,895). The median renter pays $1,255 a month including utilities.
| Measure | Tract 9776 | Johnson County |
|---|---|---|
| Median home value (owner-occupied) | $208,800 ±$16,895 | $160,500 |
| Median gross rent | $1,255 ±$524 | $781 |
| Renters paying 35% or more of income on rent | 10.9% ±17.1 pts | 34.3% |
| Median monthly owner costs, with a mortgage | $1,631 ±$69 | $1,510 |
| Owner-occupied homes | 93.3% ±2.8 pts | 82.0% |
| Renter-occupied homes | 6.7% ±2.8 pts | 18.0% |
| Housing units | 2,551 ±120 | 5,541 |
| Single-family detached homes | 68.3% ±5.7 pts | 66.4% |
| Mobile homes | 29.4% ±6.2 pts | 26.5% |
| Built 2020 or later | 0.1% ±0.2 pts | 0.7% |
| Built 2010 to 2019 | 9.7% ±4.1 pts | 10.1% |
| Built 1939 or earlier | 2.7% ±1.2 pts | 5.4% |
| Households with no vehicle | 1.2% ±1.8 pts | 4.3% |
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 9776 get to work?
89.1% of Census Tract 9776's workers drive alone. The average trip to work takes 30.0 minutes. The unemployment rate in 2020-2024 averaged 4.6%.
| Measure | Tract 9776 | Johnson County |
|---|---|---|
| In the labor force (age 16+) | 50.2% ±6.1 pts | 42.0% |
| Unemployment rate | 4.6% ±2.8 pts | 3.5% |
| Drove alone to work | 89.1% ±5.6 pts | 84.8% |
| Carpooled | 7.2% ±5.2 pts | 8.1% |
| Public transportation | 0.0% ±2.1 pts | 0.0% |
| Walked | 0.8% ±1.2 pts | 0.9% |
| Worked from home | 1.8% ±1.2 pts | 4.8% |
| Mean travel time to work | 30.0 min ±4.5 | 28.4 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 9776 compare with the other tracts in Johnson County?
Among Johnson County's tracts with a reliable estimate, Census Tract 9776 ranks as shown below (1 = highest).
| Measure | In Johnson County |
|---|---|
| Population | 1st of 4 |
| Residents per square mile | 3rd of 4 |
| Median household income | 1st of 3 |
| Per capita income | 1st of 3 |
| Median home value | 1st of 3 |
| Median gross rent | 1st of 3 |
| Poverty rate | 3rd of 3 |
| Bachelor's degree or higher | 1st of 3 |
| Median age | 1st of 4 |
| Owner-occupied share | 1st of 3 |
The tracts next to it on Johnson County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9776 | 1st | $69,289±$9,345 |
| Tract 9777 | 2nd | $66,250±$8,854 · within the margin of this tract |
| Tract 9778 | 3rd | $52,237±$16,652 · 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 9776?
3 of the 18 figures for Census Tract 9776 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