Census tract · Collin County
Census Tract 305.21, Collin County, Texas
Census Tract 305.21, GEOID 48085030521, in Collin County, Texas, entirely within Frisco. 5,249 residents in the ACS 2020-2024 5-year estimates (±415); the 2020 Census counted 5,252.
Residents, 2020-2024
5,249
±415 (90% margin)
2020 Census count: 5,252
Median household income
$171,726
±$27,264 (90% margin)
Collin County: $121,600
Median home value
$604,400
±$23,624 (90% margin)
Collin County: $475,600
Median gross rent
$2,976
±$279 (90% margin)
Collin County: $1,859
Where is Census Tract 305.21?
Census Tract 305.21 is one of 220 census tracts in Collin County, Texas. It covers 0.94 square miles of land, 5,593 residents per square mile in 2020. Its GEOID, 48085030521, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Frisco | 100% |
4 census tracts border Census Tract 305.21: Tract 305.18 ($220,292), Tract 305.19 ($170,357), Tract 305.20 ($156,944) and Tract 305.36 ($210,144). 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 305.21?
The 2020-2024 American Community Survey puts Census Tract 305.21's population at 5,249 (±415) in 1,409 households; the 2020 Census counted 5,252 residents and 1,431 housing units.
| Measure | Tract 305.21 | Frisco |
|---|---|---|
| Total population | 5,249 ±415 | 219,304 |
| Households | 1,409 ±96 | 77,208 |
| Average household size | 3.72 ±0.21 | 2.83 |
| Housing units | 1,430 ±89 | 80,353 |
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 305.21?
The median resident of Census Tract 305.21 is 37.4 years old; 32.5% are under 18 and 5.8% are 65 or older. The largest group is non-Hispanic Asian residents at 45.8%, then non-Hispanic white residents at 27.5%. 36.0% of residents were born outside the United States.
| Measure | Tract 305.21 | Frisco |
|---|---|---|
| Median age | 37.4 ±1.2 | 38.3 |
| Under 18 years | 32.5% ±2.4 pts | 27.2% |
| 65 years and over | 5.8% ±1.4 pts | 9.6% |
| Hispanic or Latino (any race) | 10.8% ±3.0 pts | 12.7% |
| White alone, not Hispanic | 27.5% ±5.7 pts | 45.8% |
| Black or African American alone, not Hispanic | 14.0% ±2.5 pts | 9.0% |
| Asian alone, not Hispanic | 45.8% ±5.8 pts | 28.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Two or more races, not Hispanic | 1.2% ±1.0 pts | 3.8% |
| Some other race alone, not Hispanic | 0.7% ±1.0 pts | 0.5% |
| Born outside the United States | 36.0% ±5.2 pts | 27.3% |
| Speak a language other than English at home (age 5+) | 37.3% ±4.8 pts | 33.6% |
| Civilian veterans (age 18+) | 9.1% ±4.0 pts | 4.2% |
| With a disability | 7.0% ±2.7 pts | 7.0% |
| No health insurance coverage | 1.7% ±1.3 pts | 6.3% |
| High school graduate or higher (age 25+) | 96.5% ±2.8 pts | 96.6% |
| Bachelor's degree or higher (age 25+) | 66.9% ±5.9 pts | 67.5% |
| Graduate or professional degree (age 25+) | 22.3% ±4.5 pts | 28.5% |
| Lived in the same house a year earlier | 95.9% ±2.3 pts | 84.5% |
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 305.21 earn?
Half of the 1,409 households in Census Tract 305.21 earn less than $171,726 a year (±$27,264), against $121,600 across Collin County: 37th highest of the county's 215 tracts with a reliable estimate.
| Measure | Tract 305.21 | Frisco |
|---|---|---|
| Median household income | $171,726 ±$27,264 | $150,212 |
| Mean household income | $206,428 ±$27,408 | $192,519 |
| Per capita income | $54,487 ±$6,614 | $68,614 |
| People below the poverty line | 0.5% ±0.4 pts | 3.6% |
| Children under 18 below the poverty line | 0.0% ±2.9 pts | 3.2% |
| Households receiving SNAP | 2.3% ±2.6 pts | 1.7% |
| Households with a computer | 100.0% ±3.5 pts | 99.0% |
| Households with a broadband subscription | 99.6% ±1.1 pts | 97.7% |
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 305.21?
Owners occupy 87.8% of Census Tract 305.21's occupied homes and renters 12.2%. The median owner-occupied home is valued at $604,400 by its owner (±$23,624). The median renter pays $2,976 a month including utilities.
| Measure | Tract 305.21 | Frisco |
|---|---|---|
| Median home value (owner-occupied) | $604,400 ±$23,624 | $642,100 |
| Median gross rent | $2,976 ±$279 | $2,014 |
| Renters paying 35% or more of income on rent | 44.9% ±29.8 pts | 33.6% |
| Median monthly owner costs, with a mortgage | $3,285 ±$150 | $3,386 |
| Owner-occupied homes | 87.8% ±7.0 pts | 65.9% |
| Renter-occupied homes | 12.2% ±7.0 pts | 34.1% |
| Housing units | 1,430 ±89 | 80,353 |
| Single-family detached homes | 98.1% ±1.7 pts | 69.3% |
| Mobile homes | 0.4% ±0.7 pts | 0.3% |
| Built 2020 or later | 0.0% ±3.4 pts | 6.7% |
| Built 2010 to 2019 | 41.9% ±8.3 pts | 40.0% |
| Built 1939 or earlier | 0.0% ±3.4 pts | 0.1% |
| Households with no vehicle | 1.9% ±2.2 pts | 3.3% |
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 305.21 get to work?
59.5% of Census Tract 305.21's workers drive alone and 32.2% work from home. The average trip to work takes 31.2 minutes.
| Measure | Tract 305.21 | Frisco |
|---|---|---|
| In the labor force (age 16+) | 68.7% ±4.3 pts | 72.0% |
| Unemployment rate | 1.6% ±1.6 pts | 4.6% |
| Drove alone to work | 59.5% ±6.3 pts | 53.5% |
| Carpooled | 4.6% ±2.0 pts | 5.9% |
| Public transportation | 0.0% ±1.9 pts | 0.1% |
| Walked | 0.9% ±1.4 pts | 0.9% |
| Worked from home | 32.2% ±6.2 pts | 37.8% |
| Mean travel time to work | 31.2 min ±7.9 | 28.6 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 305.21 compare with the other tracts in Collin County?
Among Collin County's tracts with a reliable estimate, Census Tract 305.21 ranks as shown below (1 = highest).
| Measure | In Collin County | In Frisco |
|---|---|---|
| Population | 94th of 219 | 20th of 37 |
| Residents per square mile | 60th of 220 | 10th of 37 |
| Median household income | 37th of 215 | 14th of 37 |
| Per capita income | 120th of 219 | 32nd of 37 |
| Median home value | 41st of 206 | 19th of 37 |
| Median gross rent | 17th of 206 | 7th of 36 |
| Bachelor's degree or higher | 66th of 218 | 18th of 37 |
| Median age | 122nd of 219 | 25th of 37 |
| Owner-occupied share | 44th of 207 | 10th of 36 |
The tracts next to it on Collin County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 305.10 | 34th | $173,302±$34,411 · within the margin of this tract |
| Tract 303.03 | 35th | $173,049±$32,626 · within the margin of this tract |
| Tract 313.29 | 36th | $171,998±$23,104 · within the margin of this tract |
| Tract 305.21 | 37th | $171,726±$27,264 |
| Tract 305.31 | 38th | $170,960±$18,584 · within the margin of this tract |
| Tract 313.28 | 39th | $170,476±$21,180 · within the margin of this tract |
| Tract 305.19 | 40th | $170,357±$21,939 · 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 305.21?
1 of the 18 figures for Census Tract 305.21 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