ZIP Codes of Randolph County, IN

Population & People
Population & People
Total Population
25,085
Household Income
Household Income
Median Income
$63,522
Housing
Housing
Total Housing Units
11,689
Business & Economy
Business & Economy
Total Businesses
499
Employment
Employment
Employment Rate
55.45%
Education
Education
Bachelor's Degree+
14.77%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 9 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:260 / 765
Timezone:Eastern (GMT -05:00)
Local Time:2:12:08 PM
Population:25,085 [See All]
FIPS:18135
Land Area:482 sq mi
Water Area:1 sq mi
Coordinates:40.1574, -85.0416
Quick Link:
https://www.zip-codes.com/county/in-randolph.asp
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Indiana's #63 most populous county
25,085 residents across 9 ZIPs — #63 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Winchester · 7,879 people
31.4% of county total
Highest Income
Modoc · $79,063 median
1.2× county average
Largest Land Area
Winchester · 123.4 sq mi
Spans the most ground
Fastest Growth
Lynn · 15.6% (10-yr)
2,621 → 3,029 residents
Most Educated
Farmland · 24.8% bachelor's+
520 of 2,096 adults 25+

Things worth knowing about Randolph County


25,085 residents live across 9 ZIPs covering 482 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 26,497 to 25,085 from 2014 to 2024 — a -5.3% change. 3 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 47358 (Modoc, $79,063 median) and poorest ZIP 47382 (Saratoga, $48,750) are 16.2 miles apart — a 1.6× income gap across local geography.

Median home values vary 2.9× across this county — from $60,000 in 47382 (Saratoga) to $175,200 in 47340 (Farmland).

Density varies 104× across the county — from 22 people/sq mi in 47358 (Modoc) to 2,250 in 47382 (Saratoga).

Educational attainment ranges from 9.6% bachelor's+ in 47354 (Losantville) to 24.8% in 47340 (Farmland) — the breadth of educational profiles across the area.

Within Indiana, this is the #63 most populous of 92 counties and ranks #76 for median household income .

Weighted by population, the typical household earns about $61,821 across the county — reflecting what a typical resident sees, not a simple ZIP average.

14.8% of adults age 25+ hold a bachelor's degree or higher (2,592 of 17,555 reporting).

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

Stories about Randolph County


Population decline

Randolph County lost 5.3% of residents between 2014 and 2024. ZIPs that shed the largest share:

Modoc
-31.4%
1,193 → 818 residents
Parker City
-27.1%
2,862 → 2,086 residents

All ZIP Codes in Randolph County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
47394WinchesterStandard7,879$59,913123.4-6.6%
47390Union CityStandard4,972$50,41779.1-6.0%
47340FarmlandStandard3,051$63,20552.34.4%
47355LynnStandard3,029$73,13365.315.6%
47368Parker CityStandard2,086$73,65434.3-27.1%
47380RidgevilleStandard1,924$57,00060.5-1.9%
47354LosantvilleStandard1,182$66,56628.813.2%
47358ModocStandard818$79,06338.0-31.4%
47382SaratogaPO Box144$48,7500.1-14.8%

Adjacent & Nearby Counties