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zipcodes.pro — STATE/MO/COUNTY/AUDRAIN

Audrain County, MO ZIP codes

There are 9 ZIP codes in Audrain County, MO, in 9 towns, from 63345 to 65285. The largest are 65265 (Mexico), 65240 (Centralia) and 63382 (Vandalia).

The county seat is Mexico.

ZIP codes
9
Towns
9
County seat
Mexico
County FIPS
29007
Population
24,548
Median household income
$59,448
Land area
692 sq mi
Metro area
Mexico

Audrain County ZIP codes by town

Mexico (county seat)
65265

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.

Map of Audrain County ZIP codes

633456335263382652326524065264652656528065285

The ZIP codes of Audrain 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.

Audrain County in numbers

About 24,548 people live in Audrain County, in 9,219 households, the 44th most populous of Missouri's 115 counties. The median household income is $59,448 a year, 16% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $143,100 (38% below the Missouri median), and median gross rent is $693 a month. The median age is 40.2; 16.8% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 22 minutes.

Population24,548Audrain24,548
Households9,219Audrain9,219
Median age40.2Audrain40.2Missouri39.0US 38.9
Median household income$59,448Audrain$59,448Missouri$70,702US $80,734
Median home value$143,100Audrain$143,100Missouri$230,300US $332,700
Median gross rent$693Audrain$693Missouri$1,033US $1,413
Bachelor's degree or higher16.8%Audrain16.8%Missouri32.4%US 35.7%
Mean commute21.7 minAudrain21.7 minMissouri23.5 minUS 26.4 min
Population density35 / sq miAudrain35 / 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 Audrain County

Largest towns in Audrain County
TownZIP codesPopulation
Mexico 1 11,477
Centralia 1 4,690
Vandalia 1 3,140
Laddonia 1 533
Thompson 1 523
Martinsburg 1 522
Farber 1 272
Benton City 1 88
Rush Hill 1 71

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 Audrain County.

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

Every ZIP code in Audrain County, with figures

ZIP codes in Audrain County
ZIP City Type Population Median income Median home
63345 Farber , MO Standard 291 $43,500 $80,300
63352 Laddonia , MO Standard 1,018 $54,485 $98,000
63382 Vandalia , MO Standard 4,033 $60,733 $96,300
65232 Benton City , MO Standard 256 $83,542 $162,500
65240 Centralia , MO Standard 8,830 $71,707 $199,300
65264 Martinsburg , MO Standard 919 $46,042 $105,200
65265 Mexico , MO Standard 15,153 $56,969 $152,600
65280 Rush Hill , MO Standard 121 $93,036 —
65285 Thompson , MO Standard 523 $98,625 $220,800

Cite this page

zipcodes.pro. “Audrain County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/audrain

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