ZIP Codes of Wells County, IN

Population & People
Population & People
Total Population
28,142
Household Income
Household Income
Median Income
$84,027
Housing
Housing
Total Housing Units
12,006
Business & Economy
Business & Economy
Total Businesses
692
Employment
Employment
Employment Rate
63.45%
Education
Education
Bachelor's Degree+
20.29%
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 Code:260
Timezone:Eastern (GMT -05:00)
Local Time:2:12:10 PM
Population:28,142 [See All]
FIPS:18179
CBSA:Fort Wayne, IN
Land Area:348 sq mi
Water Area:2 sq mi
Coordinates:40.7340, -85.2064
Quick Link:
https://www.zip-codes.com/county/in-wells.asp
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Indiana's #57 most populous county
28,142 residents across 9 ZIPs — #57 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Bluffton · 15,734 people
55.9% of county total
Highest Income
Uniondale · $128,542 median
1.5× county average
Largest Land Area
Bluffton · 133.1 sq mi
Spans the most ground
Fastest Growth
Bluffton · 7.8% (10-yr)
14,599 → 15,734 residents
Most Educated
Ossian · 24.3% bachelor's+
1,004 of 4,125 adults 25+

Things worth knowing about Wells County


28,142 residents live across 9 ZIPs covering 348 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 27,060 to 28,108 from 2014 to 2024 — a +3.9% change. 4 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 46791 (Uniondale, $128,542 median) and poorest ZIP 46759 (Keystone, $56,354) are 17.1 miles apart — a 2.3× income gap across local geography.

Median home values vary 2.6× across this county — from $117,400 in 46766 (Liberty Center) to $307,300 in 46791 (Uniondale).

Density varies 14× across the county — from 9 people/sq mi in 46759 (Keystone) to 118 in 46714 (Bluffton).

Educational attainment ranges from 4.8% bachelor's+ in 46766 (Liberty Center) to 24.3% in 46777 (Ossian) — the breadth of educational profiles across the area.

Within Indiana, this is the #57 most populous of 92 counties and ranks #13 for median household income .

Weighted by population, the typical household earns about $72,571 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.3% of adults age 25+ hold a bachelor's degree or higher (3,860 of 19,021 reporting).

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

All ZIP Codes in Wells County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
46714BlufftonStandard15,734$66,441133.17.8%
46777OssianStandard6,081$72,75858.7-1.9%
46770MarkleStandard2,530$66,75052.1-7.2%
46791UniondaleStandard1,210$128,54215.924.4%
46781PonetoStandard1,046$87,76825.87.3%
46731CraigvilleStandard657$108,03616.934.6%
46766Liberty CenterStandard579$85,57014.7-16.0%
46759KeystoneStandard271$56,35431.0-34.1%
46778PetroleumPO Box340.1

Adjacent & Nearby Counties