Census tract · Brazos County
Census Tract 21, Brazos County, Texas
Census Tract 21, GEOID 48041002100, in Brazos County, Texas, mostly within College Station (96% of its census blocks). 13,494 residents in the ACS 2020-2024 5-year estimates (±508); the 2020 Census counted 15,243.
Residents, 2020-2024
13,494
±508 (90% margin)
2020 Census count: 15,243
Median household income
$17,024
±$8,423 (90% margin)
Brazos County: $58,553
Median home value
not published
Brazos County: $296,000
Median gross rent
$1,113
±$134 (90% margin)
Brazos County: $1,193
Where is Census Tract 21?
Census Tract 21 is one of 63 census tracts in Brazos County, Texas. It covers 1.59 square miles of land, 9,581 residents per square mile in 2020. Its GEOID, 48041002100, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| College Station | 96% |
| Bryan | 4% |
8 census tracts border Census Tract 21: Tract 10.02 ($29,036), Tract 11.01 ($57,273), Tract 13.01 ($34,422), Tract 13.03 ($19,583), Tract 14.01 ($16,833), Tract 16.07 ($30,455), Tract 16.08 ($14,577) and Tract 20.17 ($12,636). 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 21?
The 2020-2024 American Community Survey puts Census Tract 21's population at 13,494 (±508) in 1,400 households; the 2020 Census counted 15,243 residents and 2,366 housing units.
| Measure | Tract 21 | College Station |
|---|---|---|
| Total population | 13,494 ±508 | 124,570 |
| Households | 1,400 ±199 | 46,214 |
| Average household size | 2.06 ±0.23 | 2.37 |
| Housing units | 1,665 ±181 | 51,494 |
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 21?
The median resident of Census Tract 21 is 19.8 years old. The largest group is non-Hispanic white residents at 52.0%, then Hispanic or Latino residents (of any race) at 25.5%. 10.4% of residents were born outside the United States.
| Measure | Tract 21 | College Station |
|---|---|---|
| Median age | 19.8 ±0.2 | 22.9 |
| Under 18 years | 1.0% ±0.6 pts | 16.9% |
| 65 years and over | 0.0% ±0.4 pts | 7.2% |
| Hispanic or Latino (any race) | 25.5% ±3.2 pts | 18.9% |
| White alone, not Hispanic | 52.0% ±5.0 pts | 59.4% |
| Black or African American alone, not Hispanic | 3.5% ±1.5 pts | 8.1% |
| Asian alone, not Hispanic | 14.4% ±3.4 pts | 9.8% |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.3 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.4 pts | 0.1% |
| Two or more races, not Hispanic | 4.3% ±1.4 pts | 3.1% |
| Some other race alone, not Hispanic | 0.1% ±0.2 pts | 0.5% |
| Born outside the United States | 10.4% ±2.3 pts | 12.8% |
| Speak a language other than English at home (age 5+) | 28.0% ±3.8 pts | 21.5% |
| Civilian veterans (age 18+) | 0.5% ±0.5 pts | 3.5% |
| With a disability | 4.0% ±1.9 pts | 8.5% |
| No health insurance coverage | 8.7% ±2.4 pts | 8.5% |
| High school graduate or higher (age 25+) | 98.3% ±2.1 pts | 94.4% |
| Bachelor's degree or higher (age 25+) | 81.3% ±12.9 pts | 56.5% |
| Graduate or professional degree (age 25+) | 48.2% ±15.5 pts | 28.0% |
| Lived in the same house a year earlier | 43.9% ±4.6 pts | 66.1% |
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 21 earn?
Half of the 1,400 households in Census Tract 21 earn less than $17,024 a year (±$8,423), against $58,553 across Brazos County: 59th highest of the county's 62 tracts with a reliable estimate. 68.5% of residents live below the poverty line.
| Measure | Tract 21 | College Station |
|---|---|---|
| Median household income | $17,024 ±$8,423 | $50,900 |
| Mean household income | $35,089 ±$13,247 | $83,786 |
| Per capita income | $7,409 ±$1,442 | $31,948 |
| People below the poverty line | 68.5% ±8.8 pts | 29.2% |
| Children under 18 below the poverty line | 71.1% ±51.6 pts | 16.5% |
| Households receiving SNAP | 0.8% ±1.0 pts | 6.7% |
| Households with a computer | 100.0% ±3.5 pts | 98.9% |
| Households with a broadband subscription | 53.2% ±11.4 pts | 84.6% |
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 21?
The median renter pays $1,113 a month including utilities, and 74.9% of renters pay 35% or more of their income on rent.
| Measure | Tract 21 | College Station |
|---|---|---|
| Median gross rent | $1,113 ±$134 | $1,194 |
| Renters paying 35% or more of income on rent | 74.9% ±11.4 pts | 56.1% |
| Owner-occupied homes | 0.1% ±0.2 pts | 35.4% |
| Renter-occupied homes | 99.9% ±0.2 pts | 64.6% |
| Housing units | 1,665 ±181 | 51,494 |
| Single-family detached homes | 6.1% ±4.9 pts | 42.4% |
| Mobile homes | 0.0% ±3.0 pts | 0.6% |
| Built 2020 or later | 1.1% ±1.8 pts | 3.4% |
| Built 2010 to 2019 | 65.0% ±9.2 pts | 24.4% |
| Built 1939 or earlier | 0.0% ±3.0 pts | 0.9% |
| Households with no vehicle | 11.3% ±7.3 pts | 6.6% |
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 21 get to work?
38.6% of Census Tract 21's workers drive alone and 15.9% work from home. The average trip to work takes 14.0 minutes. The unemployment rate in 2020-2024 averaged 17.1%.
| Measure | Tract 21 | College Station |
|---|---|---|
| In the labor force (age 16+) | 33.2% ±3.4 pts | 61.0% |
| Unemployment rate | 17.1% ±3.7 pts | 5.1% |
| Drove alone to work | 38.6% ±7.7 pts | 69.5% |
| Carpooled | 0.9% ±1.0 pts | 8.1% |
| Public transportation | 2.9% ±2.5 pts | 2.7% |
| Walked | 32.3% ±7.2 pts | 4.0% |
| Worked from home | 15.9% ±5.6 pts | 12.2% |
| Mean travel time to work | 14.0 min ±1.8 | 17.4 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 21 compare with the other tracts in Brazos County?
Among Brazos County's tracts with a reliable estimate, Census Tract 21 ranks as shown below (1 = highest).
| Measure | In Brazos County | In College Station |
|---|---|---|
| Population | 1st of 62 | 1st of 32 |
| Residents per square mile | 5th of 63 | 4th of 33 |
| Median household income | 59th of 62 | 29th of 32 |
| Per capita income | 60th of 61 | 30th of 31 |
| Median gross rent | 41st of 59 | 23rd of 32 |
| Poverty rate | 3rd of 46 | 3rd of 25 |
| Bachelor's degree or higher | 2nd of 59 | 2nd of 32 |
| Median age | 61st of 62 | 31st of 32 |
The tracts next to it on Brazos County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 20.14 | 56th | $27,586±$16,414 · within the margin of this tract |
| Tract 20.24 | 57th | $24,886±$3,156 · within the margin of this tract |
| Tract 13.03 | 58th | $19,583±$5,656 · within the margin of this tract |
| Tract 21 | 59th | $17,024±$8,423 |
| Tract 14.01 | 60th | $16,833±$9,093 · within the margin of this tract |
| Tract 16.08 | 61st | $14,577±$8,641 · within the margin of this tract |
| Tract 20.17 | 62nd | $12,636±$2,665 · 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 21?
1 of the 17 figures for Census Tract 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