Williamson County TX Information


Williamson County Subdivisions

Williamson County TX Data & Demographics (As of July 1, 2015)


Total Population 482,085
Population in Households 476,800
Population in Familes 406,240
Population in Group Qrtrs 5,285
Population Density1 431
Diversity Index2 63


Total Households 175,275
Average Household Size 2.72
Family Households 127,506
Average Family Size 3


Total Housing Units 185,646 (100%)
Owner Occupied HU 118,678 (63.9%)
Renter Occupied HU 56,597 (30.5%)
Vacant Housing Units 10,371 ( 5.6%)
Median Home Value $238,193
Average Home Value $273,181


Median Household Income $79,053
Average Household Income $92,110
Per Capita Income $33,680
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 2.54% 2.9%
Households 2.67% 3.02%
Families 2.59% 2.97%
Median Household Income   2.0%
Per Capita Income   2.46%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2015 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 Density1 # 16 94th
Diversity Index2 # 106 59th
Median Household Income # 6 98th
Per Capita Income # 11 96th

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