Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/TX/COUNTY/LAVACA

Lavaca County, TX ZIP codes

Lavaca County, TX has 5 ZIP codes, in 5 towns: 77964, 77984, 77975, 77986 and 77987. 1 more crosses into it from a neighbouring county: 77995.

The county seat is Hallettsville.

ZIP codes
5
Partly in it
1 more
Towns
5
County seat
Hallettsville
County FIPS
48285
State
Texas
Population
20,552
Median household income
$63,240
Land area
970 sq mi

Lavaca County ZIP codes by town

Hallettsville (county seat)
77964

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Lavaca County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Lavaca County.

Map of Lavaca County ZIP codes

7796477975779847798677987

The ZIP codes of Lavaca County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Lavaca County in numbers

About 20,552 people live in Lavaca County, in 8,476 households, the 117th most populous of Texas's 254 counties. The median household income is $63,240 a year, 19% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $228,300 (20% below the Texas median), and median gross rent is $910 a month. The median age is 42.9; 22.2% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 26 minutes.

Population20,552Lavaca20,552
Households8,476Lavaca8,476
Median age42.9Lavaca42.9Texas35.6US 38.9
Median household income$63,240Lavaca$63,240Texas$78,476US $80,734
Median home value$228,300Lavaca$228,300Texas$283,800US $332,700
Median gross rent$910Lavaca$910Texas$1,403US $1,413
Bachelor's degree or higher22.2%Lavaca22.2%Texas33.8%US 35.7%
Mean commute26.2 minLavaca26.2 minTexas26.7 minUS 26.4 min
Population density21 / sq miLavaca21 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Lavaca County

Largest towns in Lavaca County
TownZIP codesPopulation
Hallettsville 1 2,755
Shiner 1 2,154
Moulton 1 884
Sweet Home 1 253

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Lavaca County.

Not sure you are in Lavaca County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Lavaca County, with figures

ZIP codes in Lavaca County
ZIP City Type Population Median income Median home
77964 Hallettsville , TX Standard 8,204 $68,056 $238,300
77975 Moulton , TX Standard 1,780 $59,786 $184,900
77984 Shiner , TX Standard 4,800 $92,656 $213,100
77986 Sublime , TX Standard 0 — —
77987 Sweet Home , TX Standard 253 $83,750 $314,100

Cite this page

zipcodes.pro. “Lavaca County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/lavaca

Underlying data is public domain or openly licensed — sources, vintages and licences.