Census tract · Madison County
Census Tract 27.21, Madison County, Alabama
Census Tract 27.21, GEOID 01089002721, in Madison County, Alabama, entirely within Huntsville. 4,727 residents in the ACS 2020-2024 5-year estimates (±645); the 2020 Census counted 4,042.
Residents, 2020-2024
4,727
±645 (90% margin)
2020 Census count: 4,042
Median household income
$107,225
±$12,850 (90% margin)
Madison County: $86,499
Median home value
$347,600
±$15,903 (90% margin)
Madison County: $299,200
Median gross rent
$1,174
±$48 (90% margin)
Madison County: $1,209
Where is Census Tract 27.21?
Census Tract 27.21 is one of 95 census tracts in Madison County, Alabama. It covers 1.67 square miles of land, 2,420 residents per square mile in 2020. Its GEOID, 01089002721, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Huntsville | 100% |
5 census tracts border Census Tract 27.21: Tract 19.02 ($115,288), Tract 27.01 ($63,402), Tract 27.22 ($94,474), Tract 29.11 ($93,936) and Tract 29.12 ($134,773). 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 27.21?
The 2020-2024 American Community Survey puts Census Tract 27.21's population at 4,727 (±645) in 1,843 households; the 2020 Census counted 4,042 residents and 1,955 housing units.
| Measure | Tract 27.21 | Huntsville |
|---|---|---|
| Total population | 4,727 ±645 | 222,791 |
| Households | 1,843 ±132 | 95,310 |
| Average household size | 2.56 ±0.29 | 2.22 |
| Housing units | 1,851 ±131 | 104,388 |
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 27.21?
The median resident of Census Tract 27.21 is 40.5 years old; 24.7% are under 18 and 26.1% are 65 or older. The largest group is non-Hispanic white residents at 86.8%, then Hispanic or Latino residents (of any race) at 8.1%. 4.2% of residents were born outside the United States.
| Measure | Tract 27.21 | Huntsville |
|---|---|---|
| Median age | 40.5 ±13.4 | 36.9 |
| Under 18 years | 24.7% ±7.5 pts | 19.4% |
| 65 years and over | 26.1% ±6.8 pts | 16.4% |
| Hispanic or Latino (any race) | 8.1% ±6.2 pts | 8.0% |
| White alone, not Hispanic | 86.8% ±6.2 pts | 55.9% |
| Black or African American alone, not Hispanic | 1.2% ±1.2 pts | 28.8% |
| Asian alone, not Hispanic | 1.6% ±1.2 pts | 2.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.3 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.8 pts | 0.1% |
| Two or more races, not Hispanic | 2.1% ±1.6 pts | 4.6% |
| Some other race alone, not Hispanic | 0.0% ±0.8 pts | 0.3% |
| Born outside the United States | 4.2% ±2.5 pts | 6.7% |
| Speak a language other than English at home (age 5+) | 4.8% ±2.8 pts | 8.4% |
| Civilian veterans (age 18+) | 8.3% ±2.7 pts | 10.0% |
| With a disability | 10.2% ±3.5 pts | 14.4% |
| No health insurance coverage | 2.6% ±1.7 pts | 9.0% |
| High school graduate or higher (age 25+) | 97.1% ±2.5 pts | 92.0% |
| Bachelor's degree or higher (age 25+) | 55.2% ±7.9 pts | 47.2% |
| Graduate or professional degree (age 25+) | 23.6% ±5.4 pts | 19.7% |
| Lived in the same house a year earlier | 85.5% ±8.9 pts | 83.2% |
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 27.21 earn?
Half of the 1,843 households in Census Tract 27.21 earn less than $107,225 a year (±$12,850), against $86,499 across Madison County: 29th highest of the county's 94 tracts with a reliable estimate.
| Measure | Tract 27.21 | Huntsville |
|---|---|---|
| Median household income | $107,225 ±$12,850 | $74,714 |
| Mean household income | $132,083 ±$14,233 | $106,477 |
| Per capita income | $52,142 ±$7,700 | $46,854 |
| People below the poverty line | 7.0% ±4.8 pts | 12.6% |
| Children under 18 below the poverty line | 4.5% ±7.7 pts | 17.0% |
| Households receiving SNAP | 3.1% ±4.4 pts | 9.1% |
| Households with a computer | 98.1% ±1.5 pts | 96.7% |
| Households with a broadband subscription | 98.9% ±1.3 pts | 91.8% |
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 27.21?
Owners occupy 79.9% of Census Tract 27.21's occupied homes and renters 20.1%. The median owner-occupied home is valued at $347,600 by its owner (±$15,903). The median renter pays $1,174 a month including utilities.
| Measure | Tract 27.21 | Huntsville |
|---|---|---|
| Median home value (owner-occupied) | $347,600 ±$15,903 | $293,600 |
| Median gross rent | $1,174 ±$48 | $1,171 |
| Renters paying 35% or more of income on rent | 39.8% ±27.7 pts | 36.6% |
| Median monthly owner costs, with a mortgage | $1,907 ±$133 | $1,573 |
| Owner-occupied homes | 79.9% ±5.6 pts | 58.3% |
| Renter-occupied homes | 20.1% ±5.6 pts | 41.7% |
| Housing units | 1,851 ±131 | 104,388 |
| Single-family detached homes | 75.8% ±6.5 pts | 63.1% |
| Mobile homes | 0.5% ±0.9 pts | 1.4% |
| Built 2020 or later | 0.0% ±2.1 pts | 4.5% |
| Built 2010 to 2019 | 4.4% ±3.2 pts | 15.8% |
| Built 1939 or earlier | 0.0% ±2.1 pts | 2.9% |
| Households with no vehicle | 1.2% ±1.4 pts | 4.9% |
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 27.21 get to work?
87.1% of Census Tract 27.21's workers drive alone and 9.0% work from home. The average trip to work takes 18.2 minutes.
| Measure | Tract 27.21 | Huntsville |
|---|---|---|
| In the labor force (age 16+) | 57.6% ±7.8 pts | 64.0% |
| Unemployment rate | 0.4% ±0.7 pts | 4.1% |
| Drove alone to work | 87.1% ±4.9 pts | 76.3% |
| Carpooled | 3.4% ±3.2 pts | 6.0% |
| Public transportation | 0.0% ±2.0 pts | 0.2% |
| Walked | 0.0% ±2.0 pts | 1.3% |
| Worked from home | 9.0% ±3.4 pts | 14.6% |
| Mean travel time to work | 18.2 min ±2.8 | 19.7 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 27.21 compare with the other tracts in Madison County?
Among Madison County's tracts with a reliable estimate, Census Tract 27.21 ranks as shown below (1 = highest).
| Measure | In Madison County | In Huntsville |
|---|---|---|
| Population | 32nd of 95 | 22nd of 70 |
| Residents per square mile | 23rd of 95 | 19th of 70 |
| Median household income | 29th of 94 | 20th of 69 |
| Per capita income | 38th of 95 | 30th of 70 |
| Median home value | 25th of 92 | 21st of 68 |
| Median gross rent | 55th of 85 | 39th of 63 |
| Bachelor's degree or higher | 31st of 93 | 24th of 68 |
| Median age | 44th of 95 | 32nd of 70 |
| Owner-occupied share | 46th of 93 | 29th of 69 |
The tracts next to it on Madison County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 101.02 | 26th | $114,093±$11,755 · within the margin of this tract |
| Tract 20 | 27th | $111,745±$17,854 · within the margin of this tract |
| Tract 107.03 | 28th | $111,259±$9,520 · within the margin of this tract |
| Tract 27.21 | 29th | $107,225±$12,850 |
| Tract 28.03 | 30th | $105,201±$8,104 · within the margin of this tract |
| Tract 109.03 | 31st | $104,597±$18,664 · within the margin of this tract |
| Tract 105.03 | 32nd | $104,139±$14,655 · 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 27.21?
4 of the 18 figures for Census Tract 27.21 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