Williamson County, TX
Demographics & Statistics
Updated: 2025-10-25
Updated: 2025-10-25
Life in Williamson County research summary. HomeSnacks has been researching the quality of life in Williamson County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Williamson County:
The population in Williamson County is 643,889.
The median home value in Williamson County is $407,714.
The median income in Williamson County is $108,309.
The median rent in Williamson County is $1,720.
The unemployment rate in Williamson County is 4.0%.
The poverty rate in Williamson County is 6.3%.
The average high in Williamson County is 83.2° and there are 87.5 inches of rainfall annually.
The average high in Williamson County is 83.2°.
There are 72.99 nice days each year.
Expect an average of 87.5 inches of rain each year with 0.2 inches of snow.
There is an average of 5:59 hours of sun each day in Williamson County.
| Stat | Williamson County |
|---|---|
| Mean High | 83.2 |
| Nice Days | 72.99 |
| Rainfall | 87.5 |
| Snowfall | 0.2 |
| Sunny Hours | 5:59 |
The current population in Williamson County is 643,889. The population has increased 8.1% from 2019.
| Year | Population | % Change |
|---|---|---|
| 2023 | 591,759 | 3.7% |
| 2022 | 570,437 | 4.2% |
| 2021 | 547,604 | - |
Williamson County is 50.3% female with 323,682 female residents.
Williamson County is 49.7% male with 320,207 male residents.
| Gender | Williamson County | TX | USA |
|---|---|---|---|
| Female | 50.3% | 50.1% | 50.5% |
| Male | 49.7% | 49.9% | 49.5% |
Williamson County is:
55.1% White with 354,615 White residents.
6.6% African American with 42,712 African American residents.
0.1% American Indian with 727 American Indian residents.
8.9% Asian with 57,181 Asian residents.
0.1% Hawaiian with 686 Hawaiian residents.
0.5% Other with 3,510 Other residents.
4.1% Two Or More with 26,478 Two Or More residents.
24.5% Hispanic with 157,980 Hispanic residents.
| Race | Williamson County | TX | USA |
|---|---|---|---|
| White | 55.1% | 39.9% | 58.2% |
| African American | 6.6% | 11.9% | 12.0% |
| American Indian | 0.1% | 0.2% | 0.5% |
| Asian | 8.9% | 5.3% | 5.7% |
| Hawaiian | 0.1% | 0.1% | 0.2% |
| Other | 0.5% | 0.4% | 0.5% |
| Two Or More | 4.1% | 2.9% | 3.9% |
| Hispanic | 24.5% | 39.5% | 19.0% |
2.6% of households in Williamson County earn Less than $10,000.
1.6% of households in Williamson County earn $10,000 to $14,999.
3.3% of households in Williamson County earn $15,000 to $24,999.
3.7% of households in Williamson County earn $25,000 to $34,999.
7.4% of households in Williamson County earn $35,000 to $49,999.
14.6% of households in Williamson County earn $50,000 to $74,999.
12.3% of households in Williamson County earn $75,000 to $99,999.
21.7% of households in Williamson County earn $100,000 to $149,999.
14.5% of households in Williamson County earn $150,000 to $199,999.
18.2% of households in Williamson County earn $200,000 or more.
| Income | Williamson County | TX | USA |
|---|---|---|---|
| Less than $10,000 | 2.6% | 5.0% | 4.9% |
| $10,000 to $14,999 | 1.6% | 3.4% | 3.6% |
| $15,000 to $24,999 | 3.3% | 6.5% | 6.6% |
| $25,000 to $34,999 | 3.7% | 7.0% | 6.8% |
| $35,000 to $49,999 | 7.4% | 10.9% | 10.4% |
| $50,000 to $74,999 | 14.6% | 16.4% | 15.7% |
| $75,000 to $99,999 | 12.3% | 12.8% | 12.7% |
| $100,000 to $149,999 | 21.7% | 17.2% | 17.4% |
| $150,000 to $199,999 | 14.5% | 9.1% | 9.3% |
| $200,000 or more | 18.2% | 11.7% | 12.6% |
3.0% of adults in Williamson County completed < 9th grade.
3.0% of adults in Williamson County completed 9-12th grade.
18.0% of adults in Williamson County completed high school / ged.
20.0% of adults in Williamson County completed some college.
9.0% of adults in Williamson County completed associate's degree.
30.0% of adults in Williamson County completed bachelor's degree.
13.0% of adults in Williamson County completed master's degree.
2.0% of adults in Williamson County completed professional degree.
2.0% of adults in Williamson County completed doctorate degree.
| Education | Williamson County | TX | USA |
|---|---|---|---|
| < 9th Grade | 3% | 7% | 5% |
| 9-12th Grade | 3% | 7% | 6% |
| High School / GED | 18% | 24% | 26% |
| Some College | 20% | 21% | 19% |
| Associate's Degree | 9% | 8% | 9% |
| Bachelor's Degree | 30% | 21% | 21% |
| Master's Degree | 13% | 9% | 10% |
| Professional Degree | 2% | 2% | 2% |
| Doctorate Degree | 2% | 1% | 2% |
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