ZIP Codes of Martin County, IN

Population & People
Population & People
Total Population
12,105
Household Income
Household Income
Median Income
$60,243
Housing
Housing
Total Housing Units
5,317
Business & Economy
Business & Economy
Total Businesses
304
Employment
Employment
Employment Rate
58.48%
Education
Education
Bachelor's Degree+
14.24%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:812 / 930
Timezone:Eastern (GMT -05:00)
Local Time:2:12:07 PM
Population:12,105 [See All]
FIPS:18101
Land Area:334 sq mi
Water Area:6 sq mi
Coordinates:38.7646, -86.8670
Quick Link:
https://www.zip-codes.com/county/in-martin.asp
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Indiana's #83 most populous county
12,105 residents across 3 ZIPs — #83 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Loogootee · 8,777 people
72.5% of county total
Highest Income
Loogootee · $74,234 median
1.2× county average
Largest Land Area
Shoals · 172.2 sq mi
Spans the most ground
Fastest Growth
Loogootee · 2.6% (10-yr)
8,555 → 8,777 residents
Most Educated
Loogootee · 14.5% bachelor's+
828 of 5,725 adults 25+

Things worth knowing about Martin County


12,105 residents live across 3 ZIPs covering 334 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 12,626 to 12,105 from 2014 to 2024 — a -4.1% change. 2 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 47553 (Loogootee, $74,234 median) and poorest ZIP 47522 (Crane, $46,719) are 14.7 miles apart — a 1.6× income gap across local geography.

Median home values vary 2.0× across this county — from $103,600 in 47522 (Crane) to $209,400 in 47553 (Loogootee).

Density varies 33× across the county — from 17 people/sq mi in 47581 (Shoals) to 577 in 47522 (Crane).

Educational attainment ranges from 6.7% bachelor's+ in 47522 (Crane) to 14.5% in 47553 (Loogootee) — the breadth of educational profiles across the area.

Within Indiana, this is the #83 most populous of 92 counties and ranks #86 for median household income .

Weighted by population, the typical household earns about $69,915 across the county — reflecting what a typical resident sees, not a simple ZIP average.

14.2% of adults age 25+ hold a bachelor's degree or higher (1,172 of 8,232 reporting).

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

Stories about Martin 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.

Loogootee

All ZIP Codes in Martin County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
47553LoogooteeStandard8,777$74,234161.12.6%
47581ShoalsStandard3,009$59,776172.2-21.7%
47522CraneStandard319$46,7190.639.9%

Adjacent & Nearby Counties