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ZIP code 78338: Armstrong, TX

78338 is a ZIP code in Armstrong, Texas, mainly in Kenedy County. About 36 people live here.

Population
36
Median household income
—
Typical home value
—
Median rent
—gross, per month
Median age
35.1
Homeowners
0%of occupied homes
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Shaded: ZIP code 78338's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 78338 details

CityArmstrong
StateTexas
CountyKenedy County
Metro areaNot in a metro or micro area
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area51.7 sq mi, plus 0 sq mi of water
Population density1 people per sq mi
Bachelor's degree or higher0% of adults 25+
Center coordinates26.85616, -97.73222

ZIP codes near 78338

ZIP codeCityDistancePopulation
78385Sarita, TX19.4 mi109
78580Raymondville, TX24.6 mi12,964
78590San Perlita, TX25.2 mi428
78540Edinburg, TX26.6 mi0
78598Port Mansfield, TX29.0 mi245
78561Lasara, TX29.1 mi1,457
78379Riviera, TX31.3 mi1,659
78549Hargill, TX31.3 mi609

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

About ZIP code 78338

What city is ZIP code 78338?

ZIP code 78338 is in Armstrong, TX, in Kenedy County.

What county is ZIP code 78338 in?

78338 is mainly in Kenedy County, Texas.

What is the population of ZIP code 78338?

About 36 people live in ZIP code 78338, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 78338 in?

78338 is in Central Time (UTC−6). It observes daylight saving time.