ZIP Codes of Monroe County, IN

Population & People
Population & People
Total Population
139,276
Household Income
Household Income
Median Income
$70,606
Housing
Housing
Total Housing Units
65,001
Business & Economy
Business & Economy
Total Businesses
3,051
Employment
Employment
Employment Rate
58.63%
Education
Education
Bachelor's Degree+
49.71%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 15 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:15 ZIP Codes (8 Standard, 7 PO Box, 0 Unique) [See All]
Area Codes:812 / 930
Timezone:Eastern (GMT -05:00)
Local Time:2:12:07 PM
Population:139,276 [See All]
FIPS:18105
CBSA:Bloomington, IN
Land Area:358 sq mi
Water Area:17 sq mi
Coordinates:39.1649, -86.5416
Quick Link:
https://www.zip-codes.com/county/in-monroe.asp
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Extreme geographic sprawl
The largest ZIP spans 298× the smallest by area — 95.7 sq mi down to 0.32.
Among Indiana's 5 most-educated counties
49.7% with bachelor's+ (#3 statewide).
Among Indiana's 5 most renter-heavy counties
46.5% of homes rented — #2 statewide.

Standout ZIPs in this County


Most Populous
Bloomington · 40,607 people
29.2% of county total
Highest Income
Unionville · $92,880 median
1.3× county average
Largest Land Area
Bloomington · 95.7 sq mi
Spans the most ground
Fastest Growth
Bloomington · 89.0% (10-yr)
4,343 → 8,208 residents
Most Educated
Bloomington · 62.2% bachelor's+
16,849 of 27,098 adults 25+

Things worth knowing about Monroe County


139,276 residents live across 15 ZIPs covering 358 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 139,715 to 139,276 from 2014 to 2024 — a -0.3% change. 6 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 47468 (Unionville, $92,880 median) and poorest ZIP 47408 (Bloomington, $45,644) are 4.9 miles apart — a 2.0× income gap across local geography.

Median home values vary 1.5× across this county — from $239,700 in 47403 (Bloomington) to $364,600 in 47401 (Bloomington).

Density varies 536× across the county — from 39 people/sq mi in 47468 (Unionville) to 20,982 in 47406 (Bloomington).

Most of the decade's growth concentrated around Bloomington — top growth ZIPs averaged +35.9% over the past ten years ( 47406 , 47468 and 47403 ).

Educational attainment ranges from 33.3% bachelor's+ in 47429 (Ellettsville) to 62.2% in 47401 (Bloomington) — the breadth of educational profiles across the area.

Within Indiana, this is the #12 most populous of 92 counties and ranks #51 for median household income .

Weighted by population, the typical household earns about $64,844 across the county — reflecting what a typical resident sees, not a simple ZIP average.

49.7% of adults age 25+ hold a bachelor's degree or higher (40,767 of 82,009 reporting). The most-educated ZIPs cluster around Bloomington.

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

Stories about Monroe County


Higher-education hub

2 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.

Bloomington
100.0%
1,237 residents
Bloomington
62.2%
40,607 residents

All ZIP Codes in Monroe County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
47401BloomingtonStandard40,607$66,90695.7-4.2%
47403BloomingtonStandard34,396$70,58287.47.4%
47408BloomingtonStandard23,053$45,64465.0-9.5%
47404BloomingtonStandard22,744$61,38951.97.1%
47406BloomingtonStandard8,2080.489.0%
47429EllettsvilleStandard7,399$92,37823.9-14.7%
47468UnionvilleStandard1,303$92,88033.311.5%
47405BloomingtonStandard1,2370.3-70.3%
47464StinesvillePO Box297$64,4640.199.3%
47458SmithvillePO Box190.0
47434HarrodsburgPO Box130.0-88.0%
47407BloomingtonPO Box0.0
47463StanfordPO Box0.0
47426Clear CreekPO Box0.0
47402BloomingtonPO Box0.0

Adjacent & Nearby Counties