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ZIP Code 78830, Texas

ZIP Code 78830 profile, demographic data, and geographic information.

ZCTA5 78830 is a 5-digit ZIP Code area located in Dimmit County, Texas. As of official census estimates, it has a reported population of 597. The land area covers 159.66 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 597 ±250 2020-2024 / Census ACS 5-Year 2024
Median Age 35.5 yrs ±5 2020-2024 / Census ACS 5-Year 2024
Total Households 165 ±68 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 246 ±83
Occupied Housing Units 165 ±68
Vacant Housing Units 81 ±39
Median Home Value $66,700 ±$23,844
Median Gross Rent $631 ±$286
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $51,354 ±$23,467
Per Capita Income $19,796 ±$5,869
Poverty Rate 43.6% ±24.4%
Population Below Poverty Level 260 ±182
Unemployment Rate 18.2% ±16.9%
Civilian Labor Force, Employed 189 ±87
Broadband Internet Rate 73.3% ±8.9%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
COUNTY OF DIMMIT
GUS Population: 8,181 (2024)
ID: 175875
County Official County Government
Contact: COUNTY JUDGE
103 N 5TH ST, STE 6, CARRIZO SPRINGS TX 78834-3161

Education

Listing 2 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 06-08 COTULLA, TX
Regular School Nearby PK-05 COTULLA, TX
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 3 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ALEXANDER MEMORIAL LIBRARY
Library 15.8 mi away 201 CENTER ST, COTULLA, TX, 78014
(830) 879-2601
DILLEY PUBLIC LIBRARY
Library 21.4 mi away 116 E MILLER ST, DILLEY, TX, 78017
(830) 965-1951
DIMMIT COUNTY PUBLIC LIBRARY
Library 23.4 mi away 200 N 9TH ST, CARRIZO SPRINGS, TX, 78834
(830) 876-5788
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at COTULLA LA SALLE CO AP, TX US, located 16.3 miles from ZCTA5 78830. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 67.4° 43.9° 55.7° 0.85" —
February 73.6° 48.3° 60.9° 1.26" —
March 79.7° 54.8° 67.2° 1.57" —
April 86.0° 60.7° 73.4° 1.33" —
May 92.8° 68.6° 80.7° 3.01" —
June 97.9° 73.6° 85.7° 2.20" —
July 99.2° 74.7° 87.0° 2.26" —
August 100.3° 75.0° 87.7° 1.67" —
September 93.9° 70.8° 82.4° 2.98" —
October 86.6° 62.8° 74.7° 2.39" —
November 75.7° 52.4° 64.0° 1.15" —
December 68.7° 44.9° 56.8° 1.01" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Big Wells city City 6.6 mi —
Brundage CDP CDP 12.3 mi —
Catarina CDP CDP 14.4 mi —
Cotulla city City 15.7 mi —
Asherton city City 17.9 mi —
Dilley city City 20.9 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 78830. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.