ZIP Codes of Allen County, IN

Population & People
Population & People
Total Population
388,924
Household Income
Household Income
Median Income
$78,398
Housing
Housing
Total Housing Units
164,900
Business & Economy
Business & Economy
Total Businesses
9,609
Employment
Employment
Employment Rate
63.17%
Education
Education
Bachelor's Degree+
31.39%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 55 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:55 ZIP Codes (26 Standard, 28 PO Box, 1 Unique) [See All]
Area Code:260
Timezone:Eastern (GMT -05:00)
Local Time:2:12:04 PM
Population:388,924 [See All]
FIPS:18003
CBSA:Fort Wayne, IN
Land Area:637 sq mi
Water Area:3 sq mi
Coordinates:41.0829, -85.1163
Quick Link:
https://www.zip-codes.com/county/in-allen.asp
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Top 3 most populous in Indiana
#3 of 92 counties in Indiana, with 388,924 residents.
Sharp income gradient
Wealthiest ZIP earns 4.3× the poorest — $147,280 vs $34,381.
Extreme education divide
Bachelor's share ranges 8.5% to 62.8% across ZIPs — a 54-point gap.
Among Indiana's 5 densest counties
610 people per square mile (#5 statewide).

Standout ZIPs in this County


Most Populous
Fort Wayne · 38,166 people
9.8% of county total
Highest Income
Fort Wayne · $147,280 median
1.9× county average
Largest Land Area
Monroeville · 81.0 sq mi
Spans the most ground
Fastest Growth
Spencerville · 39.9% (10-yr)
3,125 → 4,373 residents
Most Educated
Fort Wayne · 62.8% bachelor's+
6,517 of 10,377 adults 25+

Things worth knowing about Allen County


388,924 residents live across 55 ZIPs covering 637 sq mi, served by 13 distinct USPS-recognized cities.

Population moved from 358,217 to 388,924 from 2014 to 2024 — a +8.6% change. 23 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 46814 (Fort Wayne, $147,280 median) and poorest ZIP 46803 (Fort Wayne, $34,381) are 11.5 miles apart — a 4.3× income gap across local geography.

Median home values vary 4.7× across this county — from $84,100 in 46806 (Fort Wayne) to $399,300 in 46814 (Fort Wayne).

Density varies 120× across the county — from 43 people/sq mi in 46773 (Monroeville) to 5,158 in 46807 (Fort Wayne).

Most of the decade's growth concentrated around Fort Wayne — top growth ZIPs averaged +36.7% over the past ten years ( 46788 , 46845 and 46814 ).

Educational attainment ranges from 8.5% bachelor's+ in 46806 (Fort Wayne) to 62.8% in 46814 (Fort Wayne) — the breadth of educational profiles across the area.

Within Indiana, this is the #3 most populous of 92 counties and ranks #27 for median household income with the #11 fastest decade growth .

Hosts 1 single-entity Unique ZIP: 46897Business Reply .

Weighted by population, the typical household earns about $75,076 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.4% of adults age 25+ hold a bachelor's degree or higher (80,034 of 254,992 reporting). The most-educated ZIPs cluster around Fort Wayne.

26 Standard delivery, 28 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Allen County


Higher-education hub

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

Fort Wayne
62.8%
16,778 residents

Two counties in one

Median household income spans 4.3× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Fort Wayne
Median income: $147,280
Population: 16,778
Bachelor's+: 62.8%
vs
Poorest ZIP (pop >= 500)
Fort Wayne
Median income: $34,381
Population: 10,994
Bachelor's+: 9.9%
For every $1 of household income in 46803, the typical household in 46814 earns $4.28.

All ZIP Codes in Allen County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
46835Fort WayneStandard38,166$77,15221.314.7%
46804Fort WayneStandard29,661$85,83318.75.6%
46845Fort WayneStandard29,583$112,67622.537.2%
46825Fort WayneStandard29,296$70,54415.51.9%
46815Fort WayneStandard27,238$73,23910.4-0.5%
46806Fort WayneStandard26,425$47,8958.04.4%
46818Fort WayneStandard21,954$81,06666.17.1%
46805Fort WayneStandard21,437$52,1546.62.9%
46808Fort WayneStandard19,684$53,35910.73.9%
46816Fort WayneStandard19,514$45,34335.58.6%
46774New HavenStandard17,858$76,29253.75.3%
46814Fort WayneStandard16,778$147,28017.533.0%
46807Fort WayneStandard16,317$58,6853.21.9%
46802Fort WayneStandard11,177$46,8544.35.6%
46803Fort WayneStandard10,994$34,3817.512.9%
46819Fort WayneStandard9,369$63,94725.01.8%
46809Fort WayneStandard8,589$52,25323.68.7%
46748HuntertownStandard6,902$109,37518.619.6%
46765LeoStandard5,786$112,32813.12.9%
46741GrabillStandard4,713$102,28125.53.0%
46788SpencervilleStandard4,373$101,55334.539.9%
46797WoodburnStandard4,097$103,56649.91.2%
46773MonroevilleStandard3,474$72,81381.0-0.6%
46743HarlanStandard2,347$81,40622.913.9%
46745HoaglandStandard1,793$89,64320.4-5.7%
46798YoderStandard954$81,69120.0-44.0%
46799ZanesvillePO Box375$83,1250.7102.7%
46704ArcolaPO Box700.3-46.6%
46898Fort WaynePO Box0.0
46885Fort WaynePO Box0.0
46896Fort WaynePO Box0.0
46895Fort WaynePO Box0.0
46899Fort WaynePO Box0.0
46854Fort WaynePO Box0.0
46857Fort WaynePO Box0.0
46856Fort WaynePO Box0.0
46852Fort WaynePO Box0.0
46858Fort WaynePO Box0.0
46850Fort WaynePO Box0.0
46855Fort WaynePO Box0.0
46851Fort WaynePO Box0.0
46862Fort WaynePO Box0.0
46865Fort WaynePO Box0.0
46868Fort WaynePO Box0.0
46869Fort WaynePO Box0.0
46866Fort WaynePO Box0.0
46867Fort WaynePO Box0.0
46863Fort WaynePO Box0.0
46864Fort WaynePO Box0.0
46861Fort WaynePO Box0.0
46860Fort WaynePO Box0.0
46859Fort WaynePO Box0.0
46853Fort WaynePO Box0.0
46801Fort WaynePO Box0.0
46897Fort WayneUnique0.0

Adjacent & Nearby Counties