Census tract · Alexander County
Census Tract 9579, Alexander County, Illinois
Census Tract 9579, GEOID 17003957900, in Alexander County, Illinois, entirely within Cairo. 729 residents in the ACS 2020-2024 5-year estimates (±177); the 2020 Census counted 899.
Residents, 2020-2024
729
±177 (90% margin)
2020 Census count: 899
Median household income
$27,021
±$5,904 (90% margin)
Alexander County: $47,043
Median home value
$28,800
±$15,173 (90% margin)
Alexander County: $59,800
Median gross rent
not published
Alexander County: $656
Where is Census Tract 9579?
Census Tract 9579 is one of 4 census tracts in Alexander County, Illinois. It covers 3.94 square miles of land, 228 residents per square mile in 2020. Its GEOID, 17003957900, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Cairo | 100% |
1 census tract borders Census Tract 9579: Tract 9578 ($44,932). 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 729 (±177) in 305 households; the 2020 Census counted 899 residents and 548 housing units.
| Measure | Tract 9579 | Cairo |
|---|---|---|
| Total population | 729 ±177 | 1,682 |
| Households | 305 ±77 | 664 |
| Average household size | 2.15 ±0.42 | 2.41 |
| Housing units | 603 ±85 | 1,199 |
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 48.7 years old; 13.7% are under 18 and 26.7% are 65 or older. The largest group is non-Hispanic Black residents at 71.7%, then non-Hispanic white residents at 26.7%.
| Measure | Tract 9579 | Cairo |
|---|---|---|
| Median age | 48.7 ±8.7 | 43.8 |
| Under 18 years | 13.7% ±7.9 pts | 23.2% |
| 65 years and over | 26.7% ±7.9 pts | 22.6% |
| Hispanic or Latino (any race) | 0.1% ±0.6 pts | 0.1% |
| White alone, not Hispanic | 26.7% ±14.6 pts | 20.6% |
| Black or African American alone, not Hispanic | 71.7% ±14.8 pts | 75.7% |
| Asian alone, not Hispanic | 0.0% ±5.0 pts | 0.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±5.0 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±5.0 pts | 0.0% |
| Two or more races, not Hispanic | 1.4% ±1.8 pts | 3.6% |
| Some other race alone, not Hispanic | 0.0% ±5.0 pts | 0.0% |
| Born outside the United States | 2.9% ±3.1 pts | 1.2% |
| Speak a language other than English at home (age 5+) | 1.2% ±2.0 pts | 0.5% |
| Civilian veterans (age 18+) | 6.0% ±5.0 pts | 8.0% |
| With a disability | 26.8% ±8.5 pts | 23.5% |
| No health insurance coverage | 14.9% ±8.0 pts | 9.3% |
| High school graduate or higher (age 25+) | 87.6% ±6.8 pts | 82.5% |
| Bachelor's degree or higher (age 25+) | 9.2% ±5.7 pts | 13.2% |
| Graduate or professional degree (age 25+) | 3.7% ±3.7 pts | 4.4% |
| Lived in the same house a year earlier | 92.7% ±4.3 pts | 92.0% |
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 9579 earn?
Half of the 305 households in Census Tract 9579 earn less than $27,021 a year (±$5,904), against $47,043 across Alexander County: 4th highest of the county's 4 tracts with a reliable estimate. 15.2% of residents live below the poverty line.
| Measure | Tract 9579 | Cairo |
|---|---|---|
| Median household income | $27,021 ±$5,904 | $41,912 |
| Mean household income | $44,706 ±$12,272 | $54,368 |
| Per capita income | $24,257 ±$4,849 | $25,276 |
| People below the poverty line | 15.2% ±6.7 pts | 19.0% |
| Children under 18 below the poverty line | 0.0% ±30.3 pts | 21.3% |
| Households receiving SNAP | 46.2% ±16.3 pts | 40.8% |
| Households with a computer | 63.6% ±12.4 pts | 73.9% |
| Households with a broadband subscription | 50.8% ±14.7 pts | 56.3% |
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 55.4% of Census Tract 9579's occupied homes and renters 44.6%. The median owner-occupied home is valued at $28,800 by its owner (±$15,173).
| Measure | Tract 9579 | Cairo |
|---|---|---|
| Median home value (owner-occupied) | $28,800 ±$15,173 | $32,000 |
| Renters paying 35% or more of income on rent | 31.1% ±26.9 pts | 17.6% |
| Median monthly owner costs, with a mortgage | $1,801 ±$1,187 | $1,222 |
| Owner-occupied homes | 55.4% ±15.5 pts | 65.1% |
| Renter-occupied homes | 44.6% ±15.5 pts | 34.9% |
| Housing units | 603 ±85 | 1,199 |
| Single-family detached homes | 63.0% ±11.9 pts | 79.0% |
| Mobile homes | 0.0% ±6.0 pts | 0.0% |
| Built 2020 or later | 0.0% ±6.0 pts | 0.0% |
| Built 2010 to 2019 | 3.3% ±4.8 pts | 1.7% |
| Built 1939 or earlier | 41.1% ±12.3 pts | 40.3% |
| Households with no vehicle | 30.2% ±14.2 pts | 18.5% |
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 9579 get to work?
93.7% of Census Tract 9579's workers drive alone. The average trip to work takes 34.7 minutes.
| Measure | Tract 9579 | Cairo |
|---|---|---|
| In the labor force (age 16+) | 48.2% ±7.9 pts | 49.9% |
| Unemployment rate | 17.0% ±14.1 pts | 14.6% |
| Drove alone to work | 93.7% ±6.6 pts | 87.5% |
| Carpooled | 2.5% ±3.5 pts | 6.3% |
| Public transportation | 0.0% ±14.5 pts | 0.0% |
| Walked | 0.0% ±14.5 pts | 0.0% |
| Worked from home | 3.8% ±6.5 pts | 6.2% |
| Mean travel time to work | 34.7 min ±19.7 | 36.7 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 Alexander County?
Among Alexander County's tracts with a reliable estimate, Census Tract 9579 ranks as shown below (1 = highest).
| Measure | In Alexander County |
|---|---|
| Population | 4th of 4 |
| Residents per square mile | 1st of 4 |
| Median household income | 4th of 4 |
| Per capita income | 4th of 4 |
| Median home value | 3rd of 3 |
| Poverty rate | 2nd of 3 |
| Bachelor's degree or higher | 4th of 4 |
| Median age | 2nd of 4 |
| Owner-occupied share | 4th of 4 |
The tracts next to it on Alexander County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9577 | 1st | $62,639±$19,582 |
| Tract 9576 | 2nd | $54,875±$13,018 |
| Tract 9578 | 3rd | $44,932±$3,872 |
| Tract 9579 | 4th | $27,021±$5,904 |
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 17 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