Henry County, Indiana
County seat: New Castle · Population 49,137 (2025) · 392 sq mi
Henry County is the 29th most populous of Indiana's 92 counties, with 49,137 people (2025 estimate). Its county seat is New Castle. It is part of the Eastern (Region 6) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 16 cities and towns and the 7 neighboring counties.
Henry County facts
- County seat
- New Castle
- Population (2025 estimate)
- 49,137 +0.5% since 2020
- Land area
- 392 sq mi 52nd largest of 92
- Water area
- 3 sq mi
- Population density
- 125 per sq mi
- Established
- 1821
- Named after
- Patrick Henry American Founding Father, orator and politician (1736 – 1799)
- Largest city
- New Castle 17,390
- Median household income
- $63,150
- Cities and towns
- 16 plus 3 CDPs
- ZIP codes
- 23
- Time zone
- Eastern
- FIPS code
- 18065
Cities and towns in Henry County
Henry County has 16 incorporated cities, towns and villages. Populations count the people living inside Henry County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| New Castle (county seat) | City | 17,390 | |
| Middletown | Town | 2,248 | |
| Knightstown | Town | 2,165 | |
| Spiceland | Town | 961 | |
| Kennard | Town | 447 | |
| Mount Summit | Town | 353 | |
| Mooreland | Town | 341 | |
| Sulphur Springs | Town | 337 | |
| Lewisville | Town | 335 | |
| Straughn | Town | 267 | |
| Shirley | Town | 223 | Hancock County |
| Dunreith | Town | 172 | |
| Cadiz | Town | 162 | |
| Springport | Town | 136 | |
| Greensboro | Town | 127 | |
| Blountsville | Town | 95 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Westwood | 584 | |
| New Lisbon | 79 | |
| Millville | 8 |
ZIP codes in Henry County
23 ZIP codes reach into Henry County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46056 also Madison and Hancock counties
- 46117 also Hancock County
- 46148 also Rush County
- 46186 also Hancock County
- 47302 also Delaware County
- 47327 also Wayne County
- 47334 also Delaware County
- 47337
- 47344
- 47346 also Wayne County
- 47351
- 47352 also Rush and Fayette counties
- 47354 also Randolph, Delaware and Wayne counties
- 47356 also Madison and Delaware counties
- 47360 also Wayne and Randolph counties
- 47361
- 47362
- 47366
- 47384 also Hancock County
- 47385
- 47386
- 47387
- 47388
Population of Henry County, 2020–2025
Henry County grew by 223 people (+0.5%) between April 2020 and July 2025: 1,170 more deaths than births and a net gain of 1,384 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 48,905 |
| 2021 | 48,919 |
| 2022 | 48,649 |
| 2023 | 48,887 |
| 2024 | 49,021 |
| 2025 | 49,137 |
Neighboring counties
- Delaware County north · 113,106 people
- Wayne County east · 66,169 people
- Rush County south · 16,767 people
- Hancock County west · 90,969 people
- Madison County northwest · 135,088 people
- Randolph County northeast · 24,438 people
- Fayette County southeast · 23,533 people
Printable Henry 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) (106 KB)
- PNG (2400 px) (76 KB)
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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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