Delaware County, Indiana
County seat: Muncie · Population 113,106 (2025) · 392 sq mi
Delaware County is the 15th most populous of Indiana's 92 counties, with 113,106 people (2025 estimate). Its county seat is Muncie. It is part of the Eastern (Region 6) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 8 cities and towns and the 6 neighboring counties.
Delaware County facts
- County seat
- Muncie
- Population (2025 estimate)
- 113,106 +1.1% since 2020
- Land area
- 392 sq mi 51st largest of 92
- Water area
- 4 sq mi
- Population density
- 289 per sq mi
- Established
- 1827
- Named after
- Lenape indigenous people of North America
- Largest city
- Muncie 65,466
- Median household income
- $58,127
- Cities and towns
- 8 plus 4 CDPs
- ZIP codes
- 21
- Time zone
- Eastern
- FIPS code
- 18035
Cities and towns in Delaware County
Delaware County has 8 incorporated cities, towns and villages. Populations count the people living inside Delaware County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Muncie (county seat) | City | 65,466 | |
| Yorktown | Town | 11,947 | |
| Albany | Town | 2,085 | Randolph County |
| Daleville | Town | 1,706 | |
| Eaton | Town | 1,586 | |
| Gaston | Town | 806 | |
| Selma | Town | 741 | |
| Chesterfield | Town | 6 | Madison County |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Royerton | 295 | |
| Oakville | 205 | |
| Cowan | 89 | |
| Windsor | 0 | Randolph County |
ZIP codes in Delaware County
21 ZIP codes reach into Delaware County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46001 also Madison County
- 46012 also Madison County
- 46017 also Madison County
- 46070 also Madison County
- 46989 also Grant and Blackford counties
- 47302 also Henry County
- 47303
- 47304
- 47305
- 47306
- 47320 also Randolph and Jay counties
- 47334 also Henry County
- 47336 also Jay and Blackford counties
- 47338 also Blackford County
- 47342
- 47354 also Randolph, Henry and Wayne counties
- 47356 also Henry and Madison counties
- 47367
- 47368 also Randolph County
- 47383
- 47396
Population of Delaware County, 2020–2025
Delaware County grew by 1,202 people (+1.1%) between April 2020 and July 2025: 2,100 more deaths than births and a net gain of 3,266 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 111,764 |
| 2021 | 112,021 |
| 2022 | 112,091 |
| 2023 | 112,341 |
| 2024 | 112,752 |
| 2025 | 113,106 |
Neighboring counties
- Madison County west · 135,088 people
- Henry County south · 49,137 people
- Randolph County east · 24,438 people
- Blackford County north · 11,730 people
- Grant County northwest · 66,524 people
- Jay County northeast · 20,118 people
Printable Delaware County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (86 KB)
- PNG (2400 px) (68 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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