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County ZIP codes · Indiana · FIPS 18031

Decatur County, IN ZIP Codes

Decatur County, Indiana has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 1 for PO boxes or a single organization. 5 of the residential ones lie mainly in Decatur County and 2 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $67,456 in 46173 (Rushville) to $75,117 in 47272 (Saint Paul) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Decatur County?

46173 · Rushville: $68k47225 · Clarksburg: –47240 · Greensburg: $70k47244 · Hartsville: $80k47263 · New Point: $69k47272 · Saint Paul: $75k47283 · Westport: $74k472404617347283472724724446173 · Rushville: $68k47225 · Clarksburg: –47240 · Greensburg: $70k47244 · Hartsville: $80k47263 · New Point: $69k47272 · Saint Paul: $75k47283 · Westport: $74k472404617347283472724724446173 · Rushville: $68k47225 · Clarksburg: –47240 · Greensburg: $70k47244 · Hartsville: $80k47263 · New Point: $69k47272 · Saint Paul: $75k47283 · Westport: $74k47240461734728347272
The residential ZIP codes of Decatur County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 7 postal town names: Greensburg, Rushville, Westport, Saint Paul, Hartsville, New Point, Clarksburg.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 7 residential ZIP codes in Decatur County

5 ZIP codes lie mainly in Decatur County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Decatur County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
47240 Greensburg 21,484 71 $70k $209k 96%
47283 Westport 4,305 65 $74k $174k 82%
47272 Saint Paul 1,844 60 $75k $136k 59%
47263 New Point 123 1,414 $69k $117k 100%
47225 Clarksburg 76 555 – – 100%

Partly in Decatur County

Residential ZIP codes mainly in another county that reach at least 1% into Decatur County, by their share here
In this county
47244 Hartsville 533 31 $80k $315k 16%
46173 Rushville 10,440 46 $68k $162k 2%

Download the 8 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

5 ZIP codes of Decatur County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Decatur County and in the neighboring counties
ZIPIn DecaturElsewhere
4724096%Shelby County 2%; Franklin County 1%
461732%Rush County 95%; Franklin County 2%
4728382%Jennings County 14%; Bartholomew County 4%
4727259%Shelby County 40%; Rush County 2%
4724416%Bartholomew County 84%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Decatur County without a residential area (GeoNames postal codes)
ZIPPostal name
47261Millhousen

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Decatur County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Decatur County's ZIP codes use 2 prefixes: 461 and 472.

Three-digit prefixes of Decatur County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Decatur County's
PrefixSectional centerHereAll codes
461 Indianapolis, IN (SCF 460) 1 63
472 Indianapolis, IN (SCF 460) 7 38

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.