Williamson County TX Information


Williamson County Subdivisions

Williamson County TX Data & Demographics (As of July 1, 2017)


Total Population 528,015
Daytime Population: Workers 180,446
Daytime Population: Residents 271,994
Total Daytime Population (TDP) 452,440
Ratio TDP/Total Population1 0.86
Population in Households 522,626
Population in Familes 445,830
Population in Group Qrtrs 5,389
Population Density2 472
Diversity Index3 64


Median Household Income $77,538
Average Household Income $96,235
Per Capita Income $35,033


Total Housing Units 199,294 (100%)
Owner Occupied HU 128,177 (64.3%)
Renter Occupied HU 62,490 (31.4%)
Vacant Housing Units 8,627 ( 4.3%)
Median Home Value $220,847
Average Home Value $257,197


Total Households 190,667
Average Household Size 2.74
Family Households 138,648
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 3.12% 3.14%
Households 3.12% 3.15%
Families 3.05% 3.11%
Median Household Income   1.62%
Per Capita Income   2.36%


Williamson County TX - Peer Comparisons by Rank and Percentile

The table below compares Williamson County to the other 254 counties and county equivalents in Texas by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 12 96th
Population Density # 15 94th
Diversity Index # 99 61st
Median Household Income # 6 98th
Per Capita Income # 13 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE Texas Census Data Comparison Tool.