Round Rock, TX Profile: Facts, Map & Data


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Round Rock, Texas - Basic Facts

The City of Round Rock had a population of 112,453 as of July 1, 2016. Round Rock ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Texas. See peer rankings below.

The primary coordinate point for Round Rock is located at latitude 30.5237 and longitude -97.6674 in Williamson County. The formal boundaries for the City of Round Rock (see map below) encompass a land area of 34.23 sq. miles and a water area of 0.3 sq. miles. Williamson County is in the Central time zone (GMT -6). The elevation is 735 feet.

While the primary coordinates for City of Round Rock are located in Williamson County, it should be noted that the formal boundaries for this community also extend into and Travis County.

The City of Round Rock (GNIS ID: 2411005) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Texas is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Round Rock is located within Round Rock-Georgetown Division of Williamson County.

Beneath the boundary map are tables with Round Rock population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Round Rock: Roundrock.

Neighborhood Data

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City of Round Rock, TX Boundary Map

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Boundary Maps: Round Rock-Georgetown Division | Williamson County | Texas Counties

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Round Rock, TX Data & Demographics (As of July 1, 2016)


Total Population 112,453
Population in Households 111,994
Population in Familes 95,543
Population in Group Qrtrs 459
Population Density1 3,285
Diversity Index2 73


Total Households 39,279
Average Household Size 2.85
Family Households 28,494
Average Family Size 3


Total Housing Units 41,290 (100%)
Owner Occupied HU 23,627 (57.2%)
Renter Occupied HU 15,652 (37.9%)
Vacant Housing Units 2,011 ( 4.9%)
Median Home Value $198,045
Average Home Value $236,894


Median Household Income $75,895
Average Household Income $90,351
Per Capita Income $31,640
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.9% 2.53%
Households 1.82% 2.59%
Families 1.72% 2.45%
Median Household Income   1.68%
Per Capita Income   1.43%
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.

Round Rock, TX - Peer Comparisons by Rank and Percentile

The table below compares Round Rock to the other 1,749 incorporated cities, towns and CDPs in Texas by rank and percentile using July 1, 2016 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 # 30 98th
Population Density1 # 134 92nd
Diversity Index2 # 191 89th
Median Household Income # 181 90th
Per Capita Income # 274 84th

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

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