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Williamson County

TX

Williamson County, TX · County profile

672,688people

Median Income
$111,340
Median Home Value
$447,000
Land Area
1,115.84sq mi

A central county of the Austin-Round Rock-San Marcos, TX metro area

Market now

Population trend

Businesses

Demographic Rates

Poverty Rate
6.40%
Unemployment
3.90%
College Educated
48.40%
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1701, S2301, S1501

Race & Ethnicity

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table B02001, B03003

Income Profile

Median Household Income
$111,340
Mean Household Income
$140,407

Income Distribution

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1901, S1902, S1903, B19013, B19113

Sex Distribution

Male
49.8%
Female
50.2%

Population Split

Male49.8%
Female50.2%

The sex distribution of a population provides insight into the demographic balance of a community. Significant skews in this ratio can be influenced by local industries (e.g., military bases, mining, or tech hubs), educational institutions, or migration patterns. Understanding this balance is essential for planning public health initiatives and social services.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S0101

Ancestry

Mexican18.5%
German14.0%
English11.8%
Irish8.3%
Italian3.3%
Scottish2.4%
French2.0%
Polish1.8%
African1.2%

Reported ancestry groups representing the cultural heritage of the population. Percentages may not sum to 100% as residents may report multiple ancestries or none.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table B04006

Immigration & Nativity

Nativity Status

16.2%Foreign Born
83.8%Native Born

Citizenship Status

Naturalized46.0%
Non-Citizen54.0%

Period of Entry

2010 or Later44.0%
Before 201056.0%
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table B05001, B05002

Housing Characteristics

Total Housing Units
262,644
Median Rent
$1,796/mo
Median Home Value
$447,000
Median Year Built
2006

Housing Tenure

Housing Types

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table DP04

Education Enrollment

Total Enrolled
168,169
College Enrollment
16.4%
High School
21.9%
College Educated
48.4%

K-12 Enrollment

Higher Education

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1401, S1501

Transportation & Commute

Mean Commute Time
27.9 min
Drive Alone Rate
63.9%
Public Transit
0.3%
Work From Home
25.4%

Commute Mode

Vehicle Ownership

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S0801, B08141

Age Distribution

Under 18
24.1%
18-34 Years
22.3%
35-64 Years
40.7%
65+ Years
12.9%

Population Composition

Under 1824.1%
18-3422.3%
35-6440.7%
65+12.9%

The age distribution of a community impacts local services, school requirements, and the labor market. A higher percentage of youth suggests a need for schools and family services, while a larger senior population may indicate a retirement destination or a need for healthcare services.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S0101

Household Composition

Married Couples
56.2%
Single Parent
5.4%
Living Alone
23.8%
Avg Size
2.65

Household Types

Married Couples56.2%
Single Parent5.4%
Living Alone23.8%

Household composition offers insights into the social fabric of a community. A high percentage of married couples often correlates with stability and higher household incomes, while a significant number of single-person households may indicate a younger transient population or an aging community.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1101

Economic Profile

Per Capita Income
$53,505
SNAP Usage
4.4%
Health Insurance
90.2%

Household Income Breakdown

Under $25k7.2%
$25k - $50k10.3%
$50k - $100k26.8%
$100k+55.6%

Key Industries

Manufacturing
8.9%
Retail Trade
11.5%
Education & Health Care
19.9%
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1901, S2201, DP03

Health & Disability

Disability Rate

10.6%With Disability

Percentage of the civilian noninstitutionalized population with a disability.

Health Insurance Coverage

90.2%With Coverage

Percentage of the civilian noninstitutionalized population with health insurance coverage.

Why this matters: High disability rates may indicate a need for accessible infrastructure and specialized healthcare services. Health insurance coverage is a key indicator of a community's access to preventative care and financial resilience against medical emergencies.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1810, S2701

Technology Access

Broadband Internet
95.8%vs ~90% National Avg
Computer Ownership
98.5%vs ~95% National Avg
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S2801

Cost of Living & Housing

Cost of Living Scale

Lower is better
98.1
0130
Below average< 97
Near average97 - 103
Above average> 103

Prices compared with the US average (100). 105 means about 5% more expensive than average.

Housing Affordability

Higher is better
120.9
0200
Hard to Afford< 80
Moderate80 - 100
Affordable> 100

100 means a family earning the median family income just qualifies to buy the median-value home (20% down, 30-year loan at 6.72%).

Source: BEA Regional Price Parities · NAR affordability formula with Census ACS 2020–2024 incomes and home values and the Freddie Mac 30-year rate (2024)

Locations in County

No location data available for this county.

Census Tracts

Explore All Tracts

Dive deeper into Williamson County's demographic and economic data at the census tract level. Census tracts provide granular insights into local communities.