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ZIP Code 77978, Texas

ZIP Code 77978 profile, demographic data, and geographic information.

ZCTA5 77978 is a 5-digit ZIP Code area located in Calhoun County, Texas. As of official census estimates, it has a reported population of 304. The land area covers 1.70 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 304 ±134 2020-2024 / Census ACS 5-Year 2024
Median Age 54.6 yrs ±12.6 2020-2024 / Census ACS 5-Year 2024
Total Households 124 ±58 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 155 ±61
Occupied Housing Units 124 ±58
Vacant Housing Units 31 ±20
Median Home Value $251,600 ±$177,340
Median Gross Rent $1,175 ±$700
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $142,500 ±$89,303
Per Capita Income $57,690 ±$11,338
Poverty Rate 7.6% ±3.7%
Population Below Poverty Level 23 ±5
Unemployment Rate 0% ±9.9%
Civilian Labor Force, Employed 151 ±92
Broadband Internet Rate 91.1% ±22.9%
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
GUS Population: 19,942 (2024)
ID: 175858
County Official County Government
Contact: COUNTY JUDGE
211 S ANN ST, STE 301, PORT LAVACA TX 77979-4249

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 09-12 PORT LAVACA, TX
Regular School Nearby PK-05 PORT LAVACA, TX
Alternative School Nearby 10-12 PORT LAVACA, TX
Regular School Nearby PK-05 VANDERBILT, TX
Regular School Nearby PK-05 INEZ, TX
Regular School Nearby 09-12 VANDERBILT, TX
Regular School Nearby 06-08 VANDERBILT, TX
Regular School Nearby PK-05 PORT LAVACA, TX
Regular School Nearby 06-08 PORT LAVACA, TX
1 Nearby 2-13 PORT LAVACA, TX
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 6 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
CALHOUN COUNTY PUBLIC LIBRARY
Library 6.1 mi away 200 W MAHAN ST, PORT LAVACA, TX, 77979
(361) 552-7323
PORT O`CONNOR BRANCH LIBRARY
Library 19.9 mi away 506 W MAIN ST, PORT O'CONNOR, TX, 77982
(361) 983-4365
JACKSON COUNTY MEMORIAL LIBRARY
Library 20.3 mi away 411 N WELLS ST STE 121, EDNA, TX, 77957
(361) 782-2162
SEADRIFT BRANCH LIBRARY
Library 21.1 mi away 502 S 4TH ST, SEADRIFT, TX, 77983
(361) 785-4241
PALACIOS LIBRARY INC
Library 22.1 mi away 326 MAIN ST, PALACIOS, TX, 77465
(361) 972-3234
BLESSING LIBRARY
Library 24.8 mi away 124 9TH ST, BLESSING, TX, 77419
(361) 588-7717
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 PT COMFORT, TX US, located 2.8 miles from ZCTA5 77978. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 64.0° 45.7° 54.8° 3.11" 0.0"
February 67.7° 49.4° 58.6° 1.84" 0.0"
March 72.6° 56.5° 64.6° 3.20" 0.0"
April 78.3° 62.9° 70.6° 2.61" 0.0"
May 84.0° 70.7° 77.4° 4.25" 0.0"
June 89.4° 76.4° 82.9° 4.85" 0.0"
July 91.2° 78.4° 84.8° 3.15" 0.0"
August 92.4° 78.2° 85.3° 3.42" 0.0"
September 88.7° 73.1° 80.9° 4.82" 0.0"
October 82.7° 64.5° 73.6° 3.65" 0.0"
November 73.7° 55.0° 64.4° 3.57" 0.0"
December 66.7° 48.0° 57.3° 2.92" 0.0"
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
Point Comfort city City 2.2 mi —
Port Lavaca city City 6.0 mi —
Alamo Beach CDP CDP 8.4 mi —
Vanderbilt CDP CDP 9.0 mi —
Magnolia Beach CDP CDP 9.3 mi —
Lolita CDP CDP 10.0 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 77978. • 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.