Census tract · St. Louis city
Census Tract 1121, St. Louis city, Missouri
Census Tract 1121, GEOID 29510112100, in St. Louis city, Missouri, entirely within St. Louis. 4,339 residents in the ACS 2020-2024 5-year estimates (±515); the 2020 Census counted 4,455.
Residents, 2020-2024
4,339
±515 (90% margin)
2020 Census count: 4,455
Median household income
$61,650
±$8,059 (90% margin)
St. Louis city: $56,160
Median home value
$358,900
±$107,820 (90% margin)
St. Louis city: $197,500
Median gross rent
$1,192
±$105 (90% margin)
St. Louis city: $997
Where is Census Tract 1121?
Census Tract 1121 is one of 104 census tracts in St. Louis city, Missouri. It covers 2.68 square miles of land, 1,664 residents per square mile in 2020. Its GEOID, 29510112100, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| St. Louis | 100% |
7 census tracts border Census Tract 1121: Tract 1042 ($73,141), Tract 1045 ($79,737), Tract 1051.98 ($78,715), Tract 1052 ($45,933), Tract 1122 ($43,250), Tract 1124 ($78,185) and Tract 1186 ($49,917). 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 1121?
The 2020-2024 American Community Survey puts Census Tract 1121's population at 4,339 (±515) in 2,660 households; the 2020 Census counted 4,455 residents and 3,023 housing units.
| Measure | Tract 1121 | St. Louis |
|---|---|---|
| Total population | 4,339 ±515 | 288,512 |
| Households | 2,660 ±362 | 144,891 |
| Average household size | 1.58 ±0.13 | 1.92 |
| Housing units | 2,866 ±350 | 174,111 |
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 1121?
The median resident of Census Tract 1121 is 35.8 years old; 6.3% are under 18 and 17.5% are 65 or older. The largest group is non-Hispanic white residents at 61.7%, then non-Hispanic Black residents at 17.8%. 11.7% of residents were born outside the United States.
| Measure | Tract 1121 | St. Louis |
|---|---|---|
| Median age | 35.8 ±5.3 | 36.8 |
| Under 18 years | 6.3% ±3.3 pts | 18.3% |
| 65 years and over | 17.5% ±5.6 pts | 15.5% |
| Hispanic or Latino (any race) | 5.4% ±3.4 pts | 5.3% |
| White alone, not Hispanic | 61.7% ±9.4 pts | 44.4% |
| Black or African American alone, not Hispanic | 17.8% ±6.4 pts | 42.1% |
| Asian alone, not Hispanic | 9.7% ±4.3 pts | 3.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.8 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Two or more races, not Hispanic | 5.5% ±2.9 pts | 4.0% |
| Some other race alone, not Hispanic | 0.0% ±0.8 pts | 0.5% |
| Born outside the United States | 11.7% ±5.7 pts | 7.1% |
| Speak a language other than English at home (age 5+) | 11.6% ±5.6 pts | 9.4% |
| Civilian veterans (age 18+) | 3.6% ±2.4 pts | 5.6% |
| With a disability | 13.8% ±5.4 pts | 16.8% |
| No health insurance coverage | 4.8% ±2.9 pts | 9.3% |
| High school graduate or higher (age 25+) | 94.0% ±4.4 pts | 90.8% |
| Bachelor's degree or higher (age 25+) | 78.3% ±6.7 pts | 41.1% |
| Graduate or professional degree (age 25+) | 35.1% ±6.2 pts | 18.6% |
| Lived in the same house a year earlier | 81.3% ±6.2 pts | 85.5% |
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 1121 earn?
Half of the 2,660 households in Census Tract 1121 earn less than $61,650 a year (±$8,059), against $56,160 across St. Louis city: 37th highest of the county's 97 tracts with a reliable estimate. 12.0% of residents live below the poverty line.
| Measure | Tract 1121 | St. Louis |
|---|---|---|
| Median household income | $61,650 ±$8,059 | $56,160 |
| Mean household income | $117,201 ±$28,453 | $81,764 |
| Per capita income | $71,206 ±$14,427 | $41,187 |
| People below the poverty line | 12.0% ±7.1 pts | 20.6% |
| Children under 18 below the poverty line | 0.0% ±12.3 pts | 29.7% |
| Households receiving SNAP | 8.2% ±6.4 pts | 18.6% |
| Households with a computer | 94.6% ±5.8 pts | 92.3% |
| Households with a broadband subscription | 93.3% ±5.8 pts | 86.8% |
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 1121?
Owners occupy 29.2% of Census Tract 1121's occupied homes and renters 70.8%. The median owner-occupied home is valued at $358,900 by its owner (±$107,820). The median renter pays $1,192 a month including utilities, and 30.8% of renters pay 35% or more of their income on rent.
| Measure | Tract 1121 | St. Louis |
|---|---|---|
| Median home value (owner-occupied) | $358,900 ±$107,820 | $197,500 |
| Median gross rent | $1,192 ±$105 | $997 |
| Renters paying 35% or more of income on rent | 30.8% ±12.8 pts | 38.1% |
| Median monthly owner costs, with a mortgage | $2,546 ±$1,077 | $1,487 |
| Owner-occupied homes | 29.2% ±7.0 pts | 45.3% |
| Renter-occupied homes | 70.8% ±7.0 pts | 54.7% |
| Housing units | 2,866 ±350 | 174,111 |
| Single-family detached homes | 17.4% ±6.0 pts | 43.4% |
| Mobile homes | 0.0% ±1.2 pts | 0.5% |
| Built 2020 or later | 0.1% ±0.3 pts | 0.4% |
| Built 2010 to 2019 | 3.8% ±2.7 pts | 3.3% |
| Built 1939 or earlier | 70.7% ±8.6 pts | 57.9% |
| Households with no vehicle | 14.4% ±7.1 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 1121 get to work?
60.6% of Census Tract 1121's workers drive alone and 14.1% work from home. The average trip to work takes 19.3 minutes.
| Measure | Tract 1121 | St. Louis |
|---|---|---|
| In the labor force (age 16+) | 72.4% ±6.8 pts | 66.5% |
| Unemployment rate | 3.6% ±2.7 pts | 5.0% |
| Drove alone to work | 60.6% ±8.7 pts | 64.1% |
| Carpooled | 9.9% ±7.1 pts | 6.8% |
| Public transportation | 7.0% ±4.4 pts | 5.7% |
| Walked | 1.4% ±1.9 pts | 3.8% |
| Worked from home | 14.1% ±5.5 pts | 17.0% |
| Mean travel time to work | 19.3 min ±2.7 | 22.1 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 1121 compare with the other tracts in St. Louis city?
Among St. Louis city's tracts with a reliable estimate, Census Tract 1121 ranks as shown below (1 = highest).
| Measure | In St. Louis city | In St. Louis |
|---|---|---|
| Population | 11th of 104 | 11th of 104 |
| Residents per square mile | 101st of 104 | 101st of 104 |
| Median household income | 37th of 97 | 37th of 97 |
| Per capita income | 4th of 104 | 4th of 104 |
| Median home value | 9th of 91 | 9th of 91 |
| Median gross rent | 19th of 101 | 19th of 101 |
| Poverty rate | 74th of 89 | 74th of 89 |
| Bachelor's degree or higher | 4th of 92 | 4th of 92 |
| Median age | 62nd of 104 | 62nd of 104 |
| Owner-occupied share | 83rd of 101 | 83rd of 101 |
The tracts next to it on St. Louis city's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 1276 | 34th | $68,290±$12,660 · within the margin of this tract |
| Tract 1055 | 35th | $66,359±$10,916 · within the margin of this tract |
| Tract 1153 | 36th | $61,726±$20,222 · within the margin of this tract |
| Tract 1121 | 37th | $61,650±$8,059 |
| Tract 1023 | 38th | $61,504±$11,936 · within the margin of this tract |
| Tract 1031 | 39th | $57,591±$15,746 · within the margin of this tract |
| Tract 1021 | 40th | $56,667±$12,246 · 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 1121?
Every figure for Census Tract 1121 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
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