Census tract · Williamson County

Census Tract 207.12, Williamson County, Texas

Census Tract 207.12, GEOID 48491020712, in Williamson County, Texas, mostly within Round Rock (94% of its census blocks). 5,618 residents in the ACS 2020-2024 5-year estimates (±984); the 2020 Census counted 5,038.

Residents, 2020-2024

5,618

±984 (90% margin)
2020 Census count: 5,038

Median household income

$128,402

±$30,570 (90% margin)
Williamson County: $111,340

Median home value

$385,400

±$24,106 (90% margin)
Williamson County: $447,000

Median gross rent

$1,952

±$234 (90% margin)
Williamson County: $1,796

Where is Census Tract 207.12?

Census Tract 207.12 is one of 135 census tracts in Williamson County, Texas. It covers 1.26 square miles of land, 3,995 residents per square mile in 2020. Its GEOID, 48491020712, names it uniquely (how tract numbers and GEOIDs work).

Places Census Tract 207.12 lies in (share of its 2020 census blocks)
PlaceShare of the tract
Round Rock94%
Census Tract 207.12 (marked with a dot) in Williamson County, Texas. Boundaries: Census Bureau 2024.
207.07207.09207.10207.11207.13 207.12 1 mi
Census Tract 207.12 (shaded) and the tracts that border it, numbered. Boundaries: Census Bureau 2024 cartographic boundary file, 1:500,000.

5 census tracts border Census Tract 207.12: Tract 207.07 ($105,897), Tract 207.09 ($92,329), Tract 207.10 ($99,688), Tract 207.11 ($133,289) and Tract 207.13 ($103,352). 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 207.12?

The 2020-2024 American Community Survey puts Census Tract 207.12's population at 5,618 (±984) in 1,786 households; the 2020 Census counted 5,038 residents and 1,765 housing units.

Counts, ACS 2020-2024 5-year estimates
Measure Tract 207.12Round RockWilliamson CountyTexas
Total population 5,618 ±984 127,786 672,688 30,188,424
Households 1,786 ±240 48,647 252,323 10,992,816
Average household size 3.12 ±0.49 2.61 2.65 2.69
Housing units 1,824 ±233 51,143 262,644 12,128,515

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 207.12?

The median resident of Census Tract 207.12 is 30.2 years old; 31.7% are under 18 and 6.1% are 65 or older. The largest group is non-Hispanic white residents at 38.8%, then non-Hispanic Black residents at 25.0%. 21.1% of residents were born outside the United States.

Age, origin, education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure Tract 207.12Round RockWilliamson CountyTexas
Median age 30.2 ±6.6 36.2 37.3 35.6
Under 18 years 31.7% ±9.7 pts 23.5% 24.1% 25.0%
65 years and over 6.1% ±2.8 pts 11.2% 12.9% 13.4%
Hispanic or Latino (any race) 22.2% ±8.1 pts 29.7% 24.7% 39.7%
White alone, not Hispanic 38.8% ±11.2 pts 45.9% 53.3% 39.1%
Black or African American alone, not Hispanic 25.0% ±15.6 pts 11.0% 6.7% 11.9%
Asian alone, not Hispanic 10.1% ±4.2 pts 8.1% 9.9% 5.5%
American Indian and Alaska Native alone, not Hispanic 0.0% ±0.9 pts 0.1% 0.1% 0.1%
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±0.9 pts 0.2% 0.1% 0.1%
Two or more races, not Hispanic 3.9% ±2.8 pts 4.2% 4.5% 3.1%
Some other race alone, not Hispanic 0.0% ±0.9 pts 0.8% 0.6% 0.4%
Born outside the United States 21.1% ±8.5 pts 17.0% 16.2% 17.6%
Speak a language other than English at home (age 5+) 33.3% ±8.3 pts 29.2% 25.5% 35.1%
Civilian veterans (age 18+) 5.0% ±2.7 pts 7.1% 7.6% 6.2%
With a disability 7.7% ±4.2 pts 12.1% 10.6% 12.3%
No health insurance coverage 9.7% ±7.9 pts 11.9% 9.8% 17.1%
High school graduate or higher (age 25+) 95.8% ±4.2 pts 93.5% 94.1% 86.0%
Bachelor's degree or higher (age 25+) 54.7% ±9.9 pts 44.8% 48.4% 33.8%
Graduate or professional degree (age 25+) 17.0% ±5.6 pts 16.8% 17.8% 12.3%
Lived in the same house a year earlier 88.8% ±6.0 pts 80.7% 83.9% 86.0%

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 207.12 earn?

Half of the 1,786 households in Census Tract 207.12 earn less than $128,402 a year (±$30,570), against $111,340 across Williamson County: 46th highest of the county's 134 tracts with a reliable estimate.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure Tract 207.12Round RockWilliamson CountyTexas
Median household income $128,402 ±$30,570 $99,287 $111,340 $78,476
Mean household income $155,954 ±$39,503 $130,406 $140,407 $109,933
Per capita income $49,467 ±$14,866 $50,365 $53,505 $40,752
People below the poverty line 16.6% ±14.5 pts 7.8% 6.4% 13.8%
Children under 18 below the poverty line 41.0% ±29.2 pts 11.2% 7.1% 18.7%
Households receiving SNAP 14.3% ±9.3 pts 5.6% 4.4% 11.4%
Households with a computer 100.0% ±2.8 pts 98.3% 98.5% 96.3%
Households with a broadband subscription 95.5% ±3.8 pts 95.1% 95.8% 91.4%

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 207.12?

Owners occupy 75.4% of Census Tract 207.12's occupied homes and renters 24.6%. The median owner-occupied home is valued at $385,400 by its owner (±$24,106). The median renter pays $1,952 a month including utilities, and 57.4% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure Tract 207.12Round RockWilliamson CountyTexas
Median home value (owner-occupied) $385,400 ±$24,106 $418,600 $447,000 $283,800
Median gross rent $1,952 ±$234 $1,763 $1,796 $1,403
Renters paying 35% or more of income on rent 57.4% ±20.1 pts 40.2% 38.0% 42.3%
Median monthly owner costs, with a mortgage $2,332 ±$207 $2,364 $2,453 $2,106
Owner-occupied homes 75.4% ±9.1 pts 55.5% 66.4% 62.6%
Renter-occupied homes 24.6% ±9.1 pts 44.5% 33.6% 37.4%
Housing units 1,824 ±233 51,143 262,644 12,128,515
Single-family detached homes 76.8% ±7.6 pts 64.4% 72.5% 64.4%
Mobile homes 0.0% ±2.7 pts 0.1% 1.9% 6.4%
Built 2020 or later 0.0% ±2.7 pts 5.5% 9.7% 4.0%
Built 2010 to 2019 42.2% ±10.3 pts 22.6% 29.7% 17.4%
Built 1939 or earlier 0.0% ±2.7 pts 0.2% 1.3% 3.1%
Households with no vehicle 0.0% ±2.8 pts 3.5% 3.0% 5.4%

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 207.12 get to work?

61.5% of Census Tract 207.12's workers drive alone and 32.4% work from home. The average trip to work takes 32.2 minutes.

Work and commuting, ACS 2020-2024 5-year estimates
Measure Tract 207.12Round RockWilliamson CountyTexas
In the labor force (age 16+) 78.2% ±5.1 pts 72.3% 70.7% 65.3%
Unemployment rate 6.6% ±5.4 pts 3.8% 3.9% 5.3%
Drove alone to work 61.5% ±10.1 pts 64.1% 63.9% 71.4%
Carpooled 5.8% ±5.5 pts 8.8% 7.7% 10.0%
Public transportation 0.0% ±1.8 pts 0.1% 0.3% 0.9%
Walked 0.0% ±1.8 pts 0.9% 0.8% 1.5%
Worked from home 32.4% ±9.3 pts 24.8% 25.4% 14.4%
Mean travel time to work 32.2 min ±5.7 24.9 min 27.9 min 26.7 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 207.12 compare with the other tracts in Williamson County?

Among Williamson County's tracts with a reliable estimate, Census Tract 207.12 ranks as shown below (1 = highest).

Census Tract 207.12's rank among the tracts of Williamson County and of Round Rock
MeasureIn Williamson CountyIn Round Rock
Population40th of 1357th of 34
Residents per square mile37th of 13513th of 34
Median household income46th of 13413th of 33
Per capita income76th of 13516th of 34
Median home value95th of 13419th of 33
Median gross rent54th of 12817th of 32
Bachelor's degree or higher52nd of 13513th of 34
Median age130th of 13532nd of 34
Owner-occupied share60th of 13414th of 33

The tracts next to it on Williamson County's income ladder

Median household income, ACS 2020-2024 5-year estimates
TractRankMedian household incomeResidents
Tract 214.0643rd$128,779±$14,792 · within the margin of this tract4,938
Tract 203.3944th$128,633±$49,953 · within the margin of this tract3,789
Tract 215.1045th$128,462±$20,406 · within the margin of this tract7,360
Tract 207.1246th$128,402±$30,5705,618
Tract 208.1247th$126,902±$18,075 · within the margin of this tract8,164
Tract 205.0348th$126,721±$38,453 · within the margin of this tract5,754
Tract 204.0449th$126,466±$26,190 · within the margin of this tract4,109

"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 207.12?

1 of the 18 figures for Census Tract 207.12 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