ZIP Codes of Whitley County, IN

Population & People
Population & People
Total Population
36,499
Household Income
Household Income
Median Income
$72,248
Housing
Housing
Total Housing Units
16,009
Business & Economy
Business & Economy
Total Businesses
730
Employment
Employment
Employment Rate
62.92%
Education
Education
Bachelor's Degree+
23.21%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:260
Timezone:Eastern (GMT -05:00)
Local Time:11:53:28 PM
Population:36,499 [See All]
FIPS:18183
CBSA:Fort Wayne, IN
Land Area:366 sq mi
Water Area:3 sq mi
Coordinates:41.1675, -85.5151
Quick Link:
https://www.zip-codes.com/county/in-whitley.asp
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Indiana's #43 most populous county
36,499 residents across 4 ZIPs — #43 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Columbia City · 23,297 people
63.8% of county total
Highest Income
Churubusco · $84,286 median
1.2× county average
Largest Land Area
Columbia City · 208.5 sq mi
Spans the most ground
Fastest Growth
Larwill · 32.7% (10-yr)
1,171 → 1,554 residents
Most Educated
Columbia City · 24.7% bachelor's+
4,044 of 16,383 adults 25+

Things worth knowing about Whitley County


36,499 residents live across 4 ZIPs covering 366 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 35,379 to 36,499 from 2014 to 2024 — a +3.2% change. 4 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 46723 (Churubusco, $84,286 median) and poorest ZIP 46787 (South Whitley, $62,242) are 20.2 miles apart — a 1.4× income gap across local geography.

Median home values vary 1.6× across this county — from $166,600 in 46787 (South Whitley) to $261,300 in 46764 (Larwill).

Density varies across the county — from 52 people/sq mi in 46764 (Larwill) to 123 in 46723 (Churubusco).

Educational attainment ranges from 19.3% bachelor's+ in 46764 (Larwill) to 24.7% in 46725 (Columbia City) — the breadth of educational profiles across the area.

Within Indiana, this is the #43 most populous of 92 counties and ranks #45 for median household income .

Weighted by population, the typical household earns about $77,904 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.2% of adults age 25+ hold a bachelor's degree or higher (5,960 of 25,678 reporting).

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

Stories about Whitley 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.

Columbia City

All ZIP Codes in Whitley County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
46725Columbia CityStandard23,297$79,526208.50.8%
46723ChurubuscoStandard7,617$84,28662.03.3%
46787South WhitleyStandard4,031$62,24265.98.0%
46764LarwillStandard1,554$62,93929.932.7%

Adjacent & Nearby Counties