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Crystal City city, TX

ZIP Code 78839 — Crystal City city, TX Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
7,333
Median Income
$43,769
-42% vs US avg
Home Value
$91,900
-74% vs US avg
Median Rent
N/A
Median Age
33.5 yrs
-14% vs US avg
Area Code
Congress
Top Ancestry
AmericanIrishBritish
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Location
Coordinates
28.7183, -99.8235
Elevation
580 ft
Land Area
359.3 sq mi
Water Area
1.9 sq mi (1% water)

At a glance

Population
7,333
Density
N/A
Median income
$43,769
-42% vs US avg
Home value
$91,900
-74% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 78839

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What to know about ZIP 78839

ZIP code 78839 covers Crystal City, TX in Zavala County with a population of about 7,333.

At a glance, the area shows median age of 33.5 versus a U.S. median of about 38.9.

It sits in telephone area code 830; U.S. House district TX-23; the SAN ANTONIO media market.

Income and economy in Crystal City, TX

Median household income in ZIP 78839 is about $43,769 — about 42% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 36.7%; unemployment rate near 8.3%; 9.0% of adults with a bachelor’s degree or higher (about 24.7 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Healthcare, and Retail trade; about 4.8% of workers reporting work-from-home (about 10.4 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 78839

Median home value is about $91,900 — about 74% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 69.6% (about 4.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 78839 in Crystal City, TX, a household would need roughly $25,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $590. That sits below the local median household income ($43,769), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Crystal City city, TX as Relatively Low (composite score 53.6), which is near the middle of the national distribution. The strongest component scores on US5 are flood (67.0) and hurricane (60.3). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Crystal City city, TX show little to no average snow and around 19.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 346 for ZIP 78839 (Crystal City city, TX) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport PDS (43.6 miles (70.2 km)) · Southwest Texas College (35.0 miles (56.3 km)) · San Antonio Missions National Historical Park (93.7 miles (150.8 km)) · VA: SW Military CBOC (35.2 miles (56.6 km))

Full lists and map pins are in the Infrastructure section below.