Texas · Census place 4813276

Castle Hills, Texas

Castle Hills is a city in Bexar County, Texas with an estimated 3,931 residents on July 1, 2024. It is the 434th largest of 804 incorporated places of 1,000+ people in the state.

Population 2024
3,931
#434 of 804 in Texas
Change since 2020
-1.2%
-46 people
Land area
2.5 sq mi
Density
1,591 / sq mi
State median 1,561
Orange pin: Castle Hills. Shaded: its county. Dark pin: Austin.

Castle Hills population, 2020 to 2024

Castle Hills lost 46 residents from July 2020 to July 2024, a change of -1.2%. In the latest year it moved by +2.

3,97720203,95120213,93820223,92920233,9312024
July 1 estimates. The April 2020 estimates base was 3,978. The axis starts above zero so yearly changes are visible.

Castle Hills covers 2.47 square miles of land, for 1,591 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Castle Hills is close to the typical town.

What county Castle Hills is in

All of Castle Hills's residents live in Bexar County, which had 2,127,737 residents in 2024. Castle Hills holds 0.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Castle Hills

1 ZIP Code Tabulation Area (ZCTA) overlaps Castle Hills by at least 10% of the ZCTA's or the city's land: 78213. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Castle Hills is

The Census internal point of Castle Hills is at 29.524700, -98.519100. Austin, the capital, is 69.7 miles NE in a straight line. The nearest larger place is Alamo Heights, TX (7,557 people), 4.2 miles away. The nearest city of 100,000 or more is San Antonio, TX, 4.3 miles away.

Internal point

Decimal
29.524700, -98.519100
DMS
29°31'28.92"N 98°31'8.76"W
UTM
14N 546601.4E 3266216.5N
Geohash
9v1zynu9f
Plus code
76X3GFFJ+V9

Daylight in Castle Hills

At 29.52° N, Castle Hills gets about 14 h 02 min of daylight around the June solstice and 10 h 15 min around the December solstice, a swing of 3 h 47 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Castle Hills

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Balcones Heights, 3.0 miles away, with 2,707 people.

Questions people ask

What is the population of Castle Hills, TX?

3,931 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 46 (1.2%) from 3,977 in July 2020.

What county is Castle Hills in?

Bexar County. All of its residents live in that county.

What ZIP codes cover Castle Hills?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 78213.

How far is Castle Hills from Austin?

69.7 miles (112.2 km) in a straight line, heading NE from Castle Hills.

What is the nearest larger city to Castle Hills?

Alamo Heights, TX, with 7,557 residents, 4.2 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.