Harrison County, Indiana
County seat: Corydon · Population 40,437 (2025) · 484 sq mi
Harrison County is the 38th most populous of Indiana's 92 counties, with 40,437 people (2025 estimate). Its county seat is Corydon. It is part of the Southern (Region 10) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 10 cities and towns and the 6 neighboring counties.
Harrison County facts
- County seat
- Corydon
- Population (2025 estimate)
- 40,437 +2% since 2020
- Land area
- 484 sq mi 14th largest of 92
- Water area
- 2 sq mi
- Population density
- 84 per sq mi
- Established
- 1808
- Named after
- William Henry Harrison president of the United States in 1841 (1773-1841)
- Largest city
- Corydon 3,196
- Median household income
- $74,475
- Cities and towns
- 10 plus 3 CDPs
- ZIP codes
- 16
- Time zone
- Eastern
- FIPS code
- 18061
Cities and towns in Harrison County
Harrison County has 10 incorporated cities, towns and villages. Populations count the people living inside Harrison County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Corydon (county seat) | Town | 3,196 | |
| Lanesville | Town | 947 | |
| Palmyra | Town | 913 | |
| Milltown | Town | 381 | Crawford County |
| Elizabeth | Town | 207 | |
| Crandall | Town | 135 | |
| New Middletown | Town | 90 | |
| Laconia | Town | 75 | |
| Mauckport | Town | 45 | |
| New Amsterdam | Town | 13 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| New Salisbury | 499 | |
| Ramsey | 439 | |
| Depauw | 42 |
ZIP codes in Harrison County
16 ZIP codes reach into Harrison County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 47110
- 47112
- 47114
- 47115 also Washington County
- 47117 also Floyd County
- 47120 also Washington County
- 47122 also Floyd County
- 47124 also Floyd County
- 47135
- 47136 also Floyd County
- 47137 also Crawford and Perry counties
- 47142
- 47160
- 47161
- 47164 also Washington and Floyd counties
- 47166
Population of Harrison County, 2020–2025
Harrison County grew by 781 people (+2%) between April 2020 and July 2025: 437 more deaths than births and a net gain of 1,212 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 39,673 |
| 2021 | 39,805 |
| 2022 | 39,805 |
| 2023 | 40,046 |
| 2024 | 40,186 |
| 2025 | 40,437 |
Neighboring counties
- Crawford County west · 10,509 people
- Meade County, Kentucky south · 30,699 people
- Floyd County northeast · 82,153 people
- Jefferson County, Kentucky east · 795,222 people
- Washington County north · 28,383 people
- Hardin County, Kentucky south · 113,482 people
Printable Harrison 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) (111 KB)
- PNG (2400 px) (113 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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