Census tract · Collin County
Census Tract 318.15, Collin County, Texas
Census Tract 318.15, GEOID 48085031815, in Collin County, Texas, entirely within Richardson. 4,861 residents in the ACS 2020-2024 5-year estimates (±653); the 2020 Census counted 3,951.
Residents, 2020-2024
4,861
±653 (90% margin)
2020 Census count: 3,951
Median household income
$103,000
±$26,559 (90% margin)
Collin County: $121,600
Median home value
$478,700
±$35,011 (90% margin)
Collin County: $475,600
Median gross rent
$1,659
±$213 (90% margin)
Collin County: $1,859
Where is Census Tract 318.15?
Census Tract 318.15 is one of 220 census tracts in Collin County, Texas. It covers 0.83 square miles of land, 4,783 residents per square mile in 2020. Its GEOID, 48085031815, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Richardson | 100% |
5 census tracts border Census Tract 318.15: Tract 318.10 ($95,543), Tract 318.14 ($113,667), Tract 318.16 ($113,906), Tract 190.52 in Dallas County ($99,926) and Tract 192.10 in Dallas County ($217,865). 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 318.15?
The 2020-2024 American Community Survey puts Census Tract 318.15's population at 4,861 (±653) in 2,118 households; the 2020 Census counted 3,951 residents and 1,840 housing units.
| Measure | Tract 318.15 | Richardson |
|---|---|---|
| Total population | 4,861±653 | 118,731 |
| Households | 2,118±326 | 45,818 |
| Average household size | 2.30±0.27 | 2.48 |
| Housing units | 2,178±330 | 47,960 |
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 318.15?
The median resident of Census Tract 318.15 is 33.8 years old; 18.4% are under 18 and 12.9% are 65 or older. The largest group is non-Hispanic white residents at 60.0%, then non-Hispanic Black residents at 14.1%. 10.6% of residents were born outside the United States.
| Measure | Tract 318.15 | Richardson |
|---|---|---|
| Median age | 33.8±2.0 | 33.9 |
| Under 18 years | 18.4%±4.2 pts | 20.2% |
| 65 years and over | 12.9%±2.8 pts | 13.0% |
| Hispanic or Latino (any race) | 11.1%±4.9 pts | 18.3% |
| White alone, not Hispanic | 60.0%±8.3 pts | 49.2% |
| Black or African American alone, not Hispanic | 14.1%±7.3 pts | 11.6% |
| Asian alone, not Hispanic | 11.9%±3.9 pts | 16.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.0 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.0 pts | 0.0% |
| Two or more races, not Hispanic | 2.9%±1.6 pts | 4.0% |
| Some other race alone, not Hispanic | 0.0%±1.0 pts | 0.7% |
| Born outside the United States | 10.6%±3.2 pts | 22.4% |
| Speak a language other than English at home (age 5+) | 14.5%±4.3 pts | 33.8% |
| Civilian veterans (age 18+) | 5.5%±3.1 pts | 4.6% |
| With a disability | 4.2%±2.5 pts | 8.8% |
| No health insurance coverage | 8.7%±4.8 pts | 13.2% |
| High school graduate or higher (age 25+) | 99.3%±0.8 pts | 93.3% |
| Bachelor's degree or higher (age 25+) | 70.9%±5.8 pts | 57.0% |
| Graduate or professional degree (age 25+) | 27.7%±8.6 pts | 23.6% |
| Lived in the same house a year earlier | 72.3%±9.0 pts | 79.0% |
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 318.15 earn?
Half of the 2,118 households in Census Tract 318.15 earn less than $103,000 a year (±$26,559), against $121,600 across Collin County: 146th highest of the county's 215 tracts with a reliable estimate.
| Measure | Tract 318.15 | Richardson |
|---|---|---|
| Median household income | $103,000±$26,559 | $98,111 |
| Mean household income | $138,494±$15,429 | $131,546 |
| Per capita income | $62,122±$7,396 | $51,863 |
| People below the poverty line | 7.3%±5.0 pts | 9.7% |
| Children under 18 below the poverty line | 11.1%±13.7 pts | 9.6% |
| Households receiving SNAP | 1.5%±1.9 pts | 3.2% |
| Households with a computer | 99.6%±0.7 pts | 98.8% |
| Households with a broadband subscription | 95.7%±4.5 pts | 94.9% |
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 318.15?
Owners occupy 61.6% of Census Tract 318.15's occupied homes and renters 38.4%. The median owner-occupied home is valued at $478,700 by its owner (±$35,011). The median renter pays $1,659 a month including utilities.
| Measure | Tract 318.15 | Richardson |
|---|---|---|
| Median home value (owner-occupied) | $478,700±$35,011 | $431,400 |
| Median gross rent | $1,659±$213 | $1,857 |
| Renters paying 35% or more of income on rent | 20.8%±17.4 pts | 38.4% |
| Median monthly owner costs, with a mortgage | $2,857±$615 | $2,524 |
| Owner-occupied homes | 61.6%±10.0 pts | 50.7% |
| Renter-occupied homes | 38.4%±10.0 pts | 49.3% |
| Housing units | 2,178±330 | 47,960 |
| Single-family detached homes | 55.2%±9.0 pts | 54.2% |
| Mobile homes | 0.0%±2.3 pts | 0.2% |
| Built 2020 or later | 0.4%±0.6 pts | 1.6% |
| Built 2010 to 2019 | 36.6%±10.4 pts | 18.9% |
| Built 1939 or earlier | 0.0%±2.3 pts | 0.2% |
| Households with no vehicle | 2.1%±2.4 pts | 5.5% |
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 318.15 get to work?
59.4% of Census Tract 318.15's workers drive alone and 29.9% work from home. The average trip to work takes 26.2 minutes.
| Measure | Tract 318.15 | Richardson |
|---|---|---|
| In the labor force (age 16+) | 72.9%±6.6 pts | 70.3% |
| Unemployment rate | 3.0%±2.2 pts | 5.0% |
| Drove alone to work | 59.4%±9.1 pts | 61.5% |
| Carpooled | 7.3%±4.8 pts | 7.0% |
| Public transportation | 1.2%±1.7 pts | 1.8% |
| Walked | 0.5%±0.8 pts | 2.9% |
| Worked from home | 29.9%±7.7 pts | 24.9% |
| Mean travel time to work | 26.2 min±3.6 | 23.6 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 318.15 compare with the other tracts in Collin County?
Among Collin County's tracts with a reliable estimate, Census Tract 318.15 ranks as shown below (1 = highest).
| Measure | In Collin County | In Richardson |
|---|---|---|
| Population | 106th of 219 | 8th of 33 |
| Residents per square mile | 83rd of 220 | 12th of 33 |
| Median household income | 146th of 215 | 17th of 31 |
| Per capita income | 81st of 219 | 11th of 33 |
| Median home value | 100th of 206 | 8th of 25 |
| Median gross rent | 168th of 206 | 25th of 32 |
| Bachelor's degree or higher | 41st of 218 | 8th of 33 |
| Median age | 175th of 219 | 22nd of 33 |
| Owner-occupied share | 136th of 207 | 15th of 25 |
The tracts next to it on Collin County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 316.60 | 143rd | $104,156±$18,814 · within the margin of this tract |
| Tract 313.25 | 144th | $103,500±$14,563 · within the margin of this tract |
| Tract 314.12 | 145th | $103,157±$20,446 · within the margin of this tract |
| Tract 318.15 | 146th | $103,000±$26,559 |
| Tract 304.09 | 147th | $102,791±$28,012 · within the margin of this tract |
| Tract 306.09 | 148th | $101,997±$24,435 · within the margin of this tract |
| Tract 305.43 | 149th | $101,798±$24,470 · 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 318.15?
1 of the 18 figures for Census Tract 318.15 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