Census tract · Jefferson County
Census Tract 115.21, Jefferson County, Kentucky
Census Tract 115.21, GEOID 21111011521, in Jefferson County, Kentucky, entirely within Louisville/Jefferson County. 4,570 residents in the ACS 2020-2024 5-year estimates (±532); the 2020 Census counted 4,349.
Residents, 2020-2024
4,570
±532 (90% margin)
2020 Census count: 4,349
Median household income
$68,939
±$10,080 (90% margin)
Jefferson County: $69,866
Median home value
$228,800
±$61,111 (90% margin)
Jefferson County: $248,400
Median gross rent
$900
±$48 (90% margin)
Jefferson County: $1,149
Where is Census Tract 115.21?
Census Tract 115.21 is one of 216 census tracts in Jefferson County, Kentucky. It covers 1.04 square miles of land, 4,182 residents per square mile in 2020. Its GEOID, 21111011521, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Louisville/Jefferson County | 100% |
6 census tracts border Census Tract 115.21: Tract 110.07 ($35,693), Tract 114.06 ($55,052), Tract 115.08 ($81,154), Tract 115.13 ($73,590), Tract 115.22 ($86,480) and Tract 119.06 ($52,835). 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 115.21?
The 2020-2024 American Community Survey puts Census Tract 115.21's population at 4,570 (±532) in 1,670 households; the 2020 Census counted 4,349 residents and 1,867 housing units.
| Measure | Tract 115.21 | Louisville/Jefferson County |
|---|---|---|
| Total population | 4,570 ±532 | 631,818 |
| Households | 1,670 ±205 | 264,505 |
| Average household size | 2.74 ±0.34 | 2.34 |
| Housing units | 1,724 ±183 | 289,095 |
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 115.21?
The median resident of Census Tract 115.21 is 30.2 years old; 34.4% are under 18 and 6.7% are 65 or older. The largest group is non-Hispanic white residents at 49.7%, then Hispanic or Latino residents (of any race) at 29.6%. 18.4% of residents were born outside the United States.
| Measure | Tract 115.21 | Louisville/Jefferson County |
|---|---|---|
| Median age | 30.2 ±4.6 | 37.7 |
| Under 18 years | 34.4% ±5.8 pts | 22.5% |
| 65 years and over | 6.7% ±2.5 pts | 16.1% |
| Hispanic or Latino (any race) | 29.6% ±9.2 pts | 9.5% |
| White alone, not Hispanic | 49.7% ±7.7 pts | 59.4% |
| Black or African American alone, not Hispanic | 14.6% ±7.2 pts | 22.1% |
| Asian alone, not Hispanic | 4.1% ±4.2 pts | 2.9% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.8 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.2% ±0.3 pts | 0.0% |
| Two or more races, not Hispanic | 1.8% ±1.6 pts | 5.4% |
| Some other race alone, not Hispanic | 0.0% ±0.8 pts | 0.5% |
| Born outside the United States | 18.4% ±7.0 pts | 10.4% |
| Speak a language other than English at home (age 5+) | 28.9% ±9.6 pts | 13.7% |
| Civilian veterans (age 18+) | 2.8% ±1.6 pts | 6.1% |
| With a disability | 10.2% ±4.3 pts | 14.7% |
| No health insurance coverage | 6.2% ±3.9 pts | 6.0% |
| High school graduate or higher (age 25+) | 87.7% ±6.7 pts | 90.3% |
| Bachelor's degree or higher (age 25+) | 26.6% ±9.4 pts | 33.8% |
| Graduate or professional degree (age 25+) | 8.3% ±5.4 pts | 14.0% |
| Lived in the same house a year earlier | 84.0% ±10.0 pts | 86.3% |
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 115.21 earn?
Half of the 1,670 households in Census Tract 115.21 earn less than $68,939 a year (±$10,080), against $69,866 across Jefferson County: 102nd highest of the county's 207 tracts with a reliable estimate. 21.7% of residents live below the poverty line.
| Measure | Tract 115.21 | Louisville/Jefferson County |
|---|---|---|
| Median household income | $68,939 ±$10,080 | $66,849 |
| Mean household income | $86,897 ±$17,480 | $93,175 |
| Per capita income | $31,580 ±$6,019 | $39,683 |
| People below the poverty line | 21.7% ±9.4 pts | 15.8% |
| Children under 18 below the poverty line | 46.1% ±20.2 pts | 22.4% |
| Households receiving SNAP | 15.7% ±8.9 pts | 12.5% |
| Households with a computer | 98.6% ±1.6 pts | 94.6% |
| Households with a broadband subscription | 92.4% ±6.8 pts | 90.5% |
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 115.21?
Owners occupy 53.9% of Census Tract 115.21's occupied homes and renters 46.1%. The median owner-occupied home is valued at $228,800 by its owner (±$61,111). The median renter pays $900 a month including utilities.
| Measure | Tract 115.21 | Louisville/Jefferson County |
|---|---|---|
| Median home value (owner-occupied) | $228,800 ±$61,111 | $233,900 |
| Median gross rent | $900 ±$48 | $1,120 |
| Renters paying 35% or more of income on rent | 12.3% ±10.7 pts | 39.0% |
| Median monthly owner costs, with a mortgage | $1,525 ±$126 | $1,555 |
| Owner-occupied homes | 53.9% ±9.6 pts | 60.7% |
| Renter-occupied homes | 46.1% ±9.6 pts | 39.3% |
| Housing units | 1,724 ±183 | 289,095 |
| Single-family detached homes | 52.2% ±8.9 pts | 63.4% |
| Mobile homes | 3.8% ±5.2 pts | 1.4% |
| Built 2020 or later | 2.0% ±3.2 pts | 1.4% |
| Built 2010 to 2019 | 18.2% ±11.0 pts | 8.3% |
| Built 1939 or earlier | 1.1% ±1.8 pts | 15.6% |
| Households with no vehicle | 2.5% ±2.9 pts | 9.6% |
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 115.21 get to work?
71.4% of Census Tract 115.21's workers drive alone and 10.2% work from home. The average trip to work takes 21.6 minutes.
| Measure | Tract 115.21 | Louisville/Jefferson County |
|---|---|---|
| In the labor force (age 16+) | 69.9% ±8.4 pts | 65.6% |
| Unemployment rate | 4.0% ±3.6 pts | 5.5% |
| Drove alone to work | 71.4% ±9.4 pts | 72.3% |
| Carpooled | 14.2% ±9.4 pts | 8.7% |
| Public transportation | 3.3% ±5.0 pts | 1.8% |
| Walked | 1.0% ±1.6 pts | 2.0% |
| Worked from home | 10.2% ±5.6 pts | 13.3% |
| Mean travel time to work | 21.6 min ±2.5 | 22.5 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 115.21 compare with the other tracts in Jefferson County?
Among Jefferson County's tracts with a reliable estimate, Census Tract 115.21 ranks as shown below (1 = highest).
| Measure | In Jefferson County | In Louisville/Jefferson County |
|---|---|---|
| Population | 56th of 215 | 42nd of 90 |
| Residents per square mile | 82nd of 216 | 14th of 90 |
| Median household income | 102nd of 207 | 52nd of 88 |
| Per capita income | 134th of 213 | 61st of 90 |
| Median home value | 104th of 205 | 44th of 90 |
| Median gross rent | 184th of 204 | 77th of 83 |
| Poverty rate | 58th of 156 | 13th of 56 |
| Bachelor's degree or higher | 122nd of 193 | 48th of 86 |
| Median age | 194th of 214 | 84th of 90 |
| Owner-occupied share | 134th of 210 | 74th of 90 |
The tracts next to it on Jefferson County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 124.08 | 99th | $69,514±$19,621 · within the margin of this tract |
| Tract 124.06 | 100th | $69,269±$7,922 · within the margin of this tract |
| Tract 121.05 | 101st | $69,160±$7,547 · within the margin of this tract |
| Tract 115.21 | 102nd | $68,939±$10,080 |
| Tract 90.02 | 103rd | $68,640±$30,723 · within the margin of this tract |
| Tract 111.09 | 104th | $68,438±$16,823 · within the margin of this tract |
| Tract 104.05 | 105th | $68,197±$15,460 · 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 115.21?
1 of the 18 figures for Census Tract 115.21 on this page carries a coefficient of variation over 40% and is 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