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

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zipcodes.pro — STATE/IN/COUNTY/POSEY

Posey County, IN ZIP codes

Posey County, IN has 4 ZIP codes, in 4 towns: 47620, 47638, 47633 and 47631. 1 more crosses into it from a neighbouring county: 47616.

The county seat is Mount Vernon.

ZIP codes
4
Partly in it
1 more
Towns
4
County seat
Mount Vernon
County FIPS
18129
State
Indiana
Population
25,116
Median household income
$78,129
Land area
409 sq mi
Metro area
Evansville

Posey County ZIP codes by town

Mount Vernon (county seat)
47620

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 Posey County

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

Map of Posey County ZIP codes

47620476314763347638

The ZIP codes of Posey 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.

Posey County in numbers

About 25,116 people live in Posey County, in 10,533 households, the 61st most populous of Indiana's 92 counties. The median household income is $78,129 a year, 9% above the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $222,900 (about the same as the Indiana median), and median gross rent is $782 a month. The median age is 43.0; 25.2% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 23 minutes.

Population25,116Posey25,116
Households10,533Posey10,533
Median age43.0Posey43.0Indiana38.1US 38.9
Median household income$78,129Posey$78,129Indiana$71,957US $80,734
Median home value$222,900Posey$222,900Indiana$218,200US $332,700
Median gross rent$782Posey$782Indiana$1,062US $1,413
Bachelor's degree or higher25.2%Posey25.2%Indiana29.5%US 35.7%
Mean commute23.4 minPosey23.4 minIndiana24.1 minUS 26.4 min
Population density61 / sq miPosey61 / 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 Posey County

Largest towns in Posey County
TownZIP codesPopulation
Mount Vernon 1 6,400
Poseyville 1 1,270
New Harmony 1 845
Wadesville 1 672

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 Posey County.

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

Every ZIP code in Posey County, with figures

ZIP codes in Posey County
ZIP City Type Population Median income Median home
47620 Mount Vernon , IN Standard 12,361 $75,681 $214,400
47631 New Harmony , IN Standard 2,148 $66,058 $197,100
47633 Poseyville , IN Standard 2,602 $68,971 $156,300
47638 Wadesville , IN Standard 3,633 $93,958 $282,700

Cite this page

zipcodes.pro. “Posey County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/in/county/posey

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