ZIP Codes of Rush County, IN

Population & People
Population & People
Total Population
15,534
Household Income
Household Income
Median Income
$64,835
Housing
Housing
Total Housing Units
6,933
Business & Economy
Business & Economy
Total Businesses
397
Employment
Employment
Employment Rate
58.35%
Education
Education
Bachelor's Degree+
18.19%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:8 ZIP Codes (7 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:317 / 463 / 765
Timezone:Eastern (GMT -05:00)
Local Time:2:12:08 PM
Population:15,534 [See All]
FIPS:18139
Land Area:376 sq mi
Water Area:0 sq mi
Coordinates:39.6346, -85.5058
Quick Link:
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Extreme geographic sprawl
The largest ZIP spans 317× the smallest by area — 219.3 sq mi down to 0.69.

Standout ZIPs in this County


Most Populous
Rushville · 10,440 people
67.2% of county total
Highest Income
Milroy · $83,320 median
1.3× county average
Largest Land Area
Rushville · 219.3 sq mi
Spans the most ground
Fastest Growth
Arlington · 4.1% (10-yr)
1,077 → 1,121 residents
Most Educated
Carthage · 24.7% bachelor's+
261 of 1,056 adults 25+

Things worth knowing about Rush County


15,534 residents live across 8 ZIPs covering 376 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 17,128 to 15,534 from 2014 to 2024 — a -9.3% change. 4 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 46156 (Milroy, $83,320 median) and poorest ZIP 46150 (Manilla, $52,463) are 7.8 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.7× across this county — from $143,800 in 46146 (Homer) to $244,100 in 46150 (Manilla).

Density varies 12× across the county — from 17 people/sq mi in 46127 (Falmouth) to 206 in 46146 (Homer).

Educational attainment ranges from 8.0% bachelor's+ in 46127 (Falmouth) to 24.7% in 46115 (Carthage) — the breadth of educational profiles across the area.

Within Indiana, this is the #78 most populous of 92 counties and ranks #72 for median household income .

Weighted by population, the typical household earns about $66,228 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.2% of adults age 25+ hold a bachelor's degree or higher (1,989 of 10,933 reporting).

7 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Rush County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Rushville

Population decline

Rush County lost 9.3% of residents between 2014 and 2024. ZIPs that shed the largest share:

Milroy
-36.0%
1,488 → 952 residents
Carthage
-27.0%
2,174 → 1,588 residents

All ZIP Codes in Rush County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
46173RushvilleStandard10,440$67,456219.3-8.7%
46115CarthageStandard1,588$61,40637.1-27.0%
46104ArlingtonStandard1,121$61,14627.14.1%
46156MilroyStandard952$83,32041.4-36.0%
46150ManillaStandard854$52,46326.871.5%
46127FalmouthStandard390$52,63922.947.2%
46146HomerStandard143$75,4170.798.6%
46155MaysPO Box460.7-62.0%

Adjacent & Nearby Counties