ZIP Codes of Delaware County, IN

Population & People
Population & People
Total Population
111,812
Household Income
Household Income
Median Income
$61,934
Housing
Housing
Total Housing Units
51,322
Business & Economy
Business & Economy
Total Businesses
2,289
Employment
Employment
Employment Rate
56.69%
Education
Education
Bachelor's Degree+
26.27%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 14 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:14 ZIP Codes (10 Standard, 3 PO Box, 1 Unique) [See All]
Area Code:765
Timezone:Eastern (GMT -05:00)
Local Time:2:12:05 PM
Population:111,812 [See All]
FIPS:18035
CBSA:Muncie, IN
Land Area:368 sq mi
Water Area:4 sq mi
Coordinates:40.2076, -85.3993
Quick Link:
https://www.zip-codes.com/county/in-delaware.asp
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Indiana's #15 most populous county
111,812 residents across 14 ZIPs — #15 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Muncie · 31,237 people
27.9% of county total
Highest Income
Yorktown · $78,125 median
1.3× county average
Largest Land Area
Muncie · 66.3 sq mi
Spans the most ground
Fastest Growth
Albany · 15.3% (10-yr)
3,957 → 4,563 residents
Most Educated
Muncie · 41.9% bachelor's+
8,428 of 20,109 adults 25+

Things worth knowing about Delaware County


111,812 residents live across 14 ZIPs covering 368 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 116,632 to 111,812 from 2014 to 2024 — a -4.1% change. 4 ZIPs gained residents, 8 lost.

The county's wealthiest ZIP 47396 (Yorktown, $78,125 median) and poorest ZIP 47305 (Muncie, $36,389) are 7.9 miles apart — a 2.1× income gap across local geography.

Median home values vary 2.4× across this county — from $76,800 in 47302 (Muncie) to $183,100 in 47334 (Daleville).

Density varies 363× across the county — from 54 people/sq mi in 47342 (Gaston) to 19,740 in 47306 (Muncie).

Educational attainment ranges from 12.0% bachelor's+ in 47302 (Muncie) to 41.9% in 47304 (Muncie) — the breadth of educational profiles across the area.

Within Indiana, this is the #15 most populous of 92 counties and ranks #82 for median household income .

Hosts 1 single-entity Unique ZIP: 47306Ball State University .

Weighted by population, the typical household earns about $57,157 across the county — reflecting what a typical resident sees, not a simple ZIP average.

26.3% of adults age 25+ hold a bachelor's degree or higher (18,421 of 70,116 reporting). The most-educated ZIPs cluster around Muncie.

10 Standard delivery, 3 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Delaware 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.

Muncie
93.5%
3,796 residents

All ZIP Codes in Delaware County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
47304MuncieStandard31,237$63,21533.70.0%
47302MuncieStandard25,473$47,83766.3-4.6%
47303MuncieStandard24,392$47,67459.0-7.7%
47396YorktownStandard7,712$78,12535.210.7%
47320AlbanyStandard4,563$69,76433.315.3%
47306MuncieUnique3,7960.2-30.5%
47305MuncieStandard3,556$36,3891.4-11.9%
47334DalevilleStandard3,336$71,81524.52.0%
47342GastonStandard2,710$75,03049.9-9.1%
47383SelmaStandard2,612$61,25033.8-10.3%
47338EatonStandard2,355$68,23931.2-8.9%
47367OakvillePO Box700.0-43.5%
47307MunciePO Box0.0
47308MunciePO Box0.0

Adjacent & Nearby Counties