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ZIP code 78640: Kyle, TX

78640 is a ZIP code in Kyle, Texas, mainly in Hays County, part of the Austin-Round Rock-San Marcos, TX metro area. About 77,531 people live here.

Population
77,531
Median household income
$90,075
Typical home value
$293,500-6.1% in 12 months
Median rent
$1,730gross, per month
Median age
33.4
Homeowners
71%of occupied homes
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Shaded: ZIP code 78640's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 78640 details

CityKyle
StateTexas
CountyHays County (also partly Caldwell County, Travis County)
Metro areaAustin-Round Rock-San Marcos, TX
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area89.6 sq mi, plus 0.8 sq mi of water
Population density866 people per sq mi
Bachelor's degree or higher29.3% of adults 25+
Average commute38 minutes
Center coordinates29.99487, -97.82124

Median rent in 78640 by bedrooms

SizeMedian gross rent
Studio$1,582/mo
1 bedroom$1,444/mo
2 bedrooms$1,776/mo
3 bedrooms$2,006/mo
4 bedrooms$2,215/mo
5+ bedrooms$2,929/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 78640

ZIP codeCityDistancePopulation
78610Buda, TX6.0 mi48,319
78656Maxwell, TX6.3 mi2,847
78652Manchaca, TX9.9 mi5,287
78747Austin, TX10.2 mi22,180
78748Austin, TX11.4 mi55,631
78667San Marcos, TX11.7 mi—
78644Lockhart, TX12.2 mi22,348
78655Martindale, TX12.4 mi3,730

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 78640?

A typical home in ZIP code 78640 is worth about $293,500 (Zillow Home Value Index). The median household here earns $90,075 a year. See what buying here would cost per month, with Texas average taxes and insurance filled in.

Monthly payment for a $293,500 homeWhat can a $90,075 income afford?Rental property numbers

About ZIP code 78640

What city is ZIP code 78640?

ZIP code 78640 is in Kyle, TX, in Hays County.

What county is ZIP code 78640 in?

78640 is mainly in Hays County, Texas, and partly in Caldwell County and Travis County.

What is the population of ZIP code 78640?

About 77,531 people live in ZIP code 78640, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 78640 in?

78640 is in Central Time (UTC−6). It observes daylight saving time.