Census tract · St. Clair County
Census Tract 401.08, St. Clair County, Alabama
Census Tract 401.08, GEOID 01115040108, in St. Clair County, Alabama, partly within Argo, Moody, Trussville and Margaret. 5,339 residents in the ACS 2020-2024 5-year estimates (±547); the 2020 Census counted 5,225.
Residents, 2020-2024
5,339
±547 (90% margin)
2020 Census count: 5,225
Median household income
$101,932
±$54,433 (90% margin)
St. Clair County: $77,463
Median home value
$299,700
±$56,209 (90% margin)
St. Clair County: $226,300
Median gross rent
$1,154
±$289 (90% margin)
St. Clair County: $1,084
Where is Census Tract 401.08?
Census Tract 401.08 is one of 24 census tracts in St. Clair County, Alabama. It covers 15.88 square miles of land, 329 residents per square mile in 2020. Its GEOID, 01115040108, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Argo | 21% |
| Moody | 21% |
| Trussville | 21% |
| Margaret | 11% |
7 census tracts border Census Tract 401.08: Tract 110.02 in Jefferson County ($46,713), Tract 111.09 in Jefferson County ($134,722), Tract 111.14 in Jefferson County ($132,574), Tract 401.04 ($81,512), Tract 401.07 ($93,018), Tract 405.04 ($99,500) and Tract 405.06 ($72,625). 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 401.08?
The 2020-2024 American Community Survey puts Census Tract 401.08's population at 5,339 (±547) in 1,921 households; the 2020 Census counted 5,225 residents and 1,926 housing units.
| Measure | Tract 401.08 | St. Clair County |
|---|---|---|
| Total population | 5,339 ±547 | 94,166 |
| Households | 1,921 ±210 | 35,107 |
| Average household size | 2.78 ±0.21 | 2.63 |
| Housing units | 2,098 ±193 | 39,247 |
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 401.08?
The median resident of Census Tract 401.08 is 35.6 years old; 25.4% are under 18 and 8.2% are 65 or older. The largest group is non-Hispanic white residents at 76.4%, then non-Hispanic Black residents at 20.7%.
| Measure | Tract 401.08 | St. Clair County |
|---|---|---|
| Median age | 35.6 ±2.9 | 41.2 |
| Under 18 years | 25.4% ±4.0 pts | 22.2% |
| 65 years and over | 8.2% ±2.9 pts | 17.9% |
| Hispanic or Latino (any race) | 1.5% ±1.9 pts | 3.0% |
| White alone, not Hispanic | 76.4% ±6.4 pts | 83.1% |
| Black or African American alone, not Hispanic | 20.7% ±6.0 pts | 10.0% |
| Asian alone, not Hispanic | 0.0% ±0.7 pts | 0.6% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.7 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.7 pts | 0.1% |
| Two or more races, not Hispanic | 1.4% ±1.4 pts | 2.7% |
| Some other race alone, not Hispanic | 0.0% ±0.7 pts | 0.3% |
| Born outside the United States | 1.1% ±1.5 pts | 1.7% |
| Speak a language other than English at home (age 5+) | 2.0% ±2.2 pts | 3.3% |
| Civilian veterans (age 18+) | 4.5% ±2.1 pts | 6.8% |
| With a disability | 12.9% ±5.1 pts | 16.7% |
| No health insurance coverage | 2.6% ±1.9 pts | 7.2% |
| High school graduate or higher (age 25+) | 92.7% ±2.9 pts | 87.8% |
| Bachelor's degree or higher (age 25+) | 36.7% ±8.5 pts | 21.4% |
| Graduate or professional degree (age 25+) | 13.7% ±5.5 pts | 7.0% |
| Lived in the same house a year earlier | 90.7% ±5.6 pts | 89.7% |
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 401.08 earn?
Half of the 1,921 households in Census Tract 401.08 earn less than $101,932 a year (±$54,433), against $77,463 across St. Clair County: 2nd highest of the county's 24 tracts with a reliable estimate.
| Measure | Tract 401.08 | St. Clair County |
|---|---|---|
| Median household income | $101,932 ±$54,433 | $77,463 |
| Mean household income | $131,984 ±$17,432 | $91,073 |
| Per capita income | $46,842 ±$6,164 | $34,786 |
| People below the poverty line | 2.6% ±2.0 pts | 11.4% |
| Children under 18 below the poverty line | 0.0% ±2.9 pts | 15.9% |
| Households receiving SNAP | 3.6% ±3.3 pts | 11.0% |
| Households with a computer | 95.5% ±4.6 pts | 94.9% |
| Households with a broadband subscription | 97.2% ±2.5 pts | 91.1% |
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 401.08?
Owners occupy 94.5% of Census Tract 401.08's occupied homes and renters 5.5%. The median owner-occupied home is valued at $299,700 by its owner (±$56,209). The median renter pays $1,154 a month including utilities.
| Measure | Tract 401.08 | St. Clair County |
|---|---|---|
| Median home value (owner-occupied) | $299,700 ±$56,209 | $226,300 |
| Median gross rent | $1,154 ±$289 | $1,084 |
| Renters paying 35% or more of income on rent | 17.8% ±39.4 pts | 32.9% |
| Median monthly owner costs, with a mortgage | $1,817 ±$189 | $1,516 |
| Owner-occupied homes | 94.5% ±4.0 pts | 82.6% |
| Renter-occupied homes | 5.5% ±4.0 pts | 17.4% |
| Housing units | 2,098 ±193 | 39,247 |
| Single-family detached homes | 88.7% ±7.1 pts | 71.6% |
| Mobile homes | 7.9% ±6.1 pts | 22.1% |
| Built 2020 or later | 2.6% ±2.8 pts | 4.1% |
| Built 2010 to 2019 | 27.8% ±7.7 pts | 14.2% |
| Built 1939 or earlier | 0.0% ±1.9 pts | 1.4% |
| Households with no vehicle | 2.7% ±3.1 pts | 3.0% |
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 401.08 get to work?
77.2% of Census Tract 401.08's workers drive alone and 11.6% work from home. The average trip to work takes 34.2 minutes.
| Measure | Tract 401.08 | St. Clair County |
|---|---|---|
| In the labor force (age 16+) | 76.5% ±6.1 pts | 59.2% |
| Unemployment rate | 0.7% ±1.2 pts | 4.6% |
| Drove alone to work | 77.2% ±7.2 pts | 80.2% |
| Carpooled | 11.2% ±5.6 pts | 6.7% |
| Public transportation | 0.0% ±1.3 pts | 0.0% |
| Walked | 0.0% ±1.3 pts | 0.5% |
| Worked from home | 11.6% ±5.2 pts | 11.7% |
| Mean travel time to work | 34.2 min ±3.0 | 30.7 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 401.08 compare with the other tracts in St. Clair County?
Among St. Clair County's tracts with a reliable estimate, Census Tract 401.08 ranks as shown below (1 = highest).
| Measure | In St. Clair County |
|---|---|
| Population | 4th of 24 |
| Residents per square mile | 7th of 24 |
| Median household income | 2nd of 24 |
| Per capita income | 3rd of 24 |
| Median home value | 3rd of 22 |
| Median gross rent | 9th of 18 |
| Bachelor's degree or higher | 1st of 23 |
| Median age | 20th of 24 |
| Owner-occupied share | 2nd of 24 |
The tracts next to it on St. Clair County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 405.03 | 1st | $118,621±$32,045 · within the margin of this tract |
| Tract 401.08 | 2nd | $101,932±$54,433 |
| Tract 402.10 | 3rd | $99,663±$21,893 · within the margin of this tract |
| Tract 405.04 | 4th | $99,500±$19,126 · within the margin of this tract |
| Tract 401.07 | 5th | $93,018±$14,598 · 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 401.08?
3 of the 18 figures for Census Tract 401.08 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