Newton County, Indiana
County seat: Kentland · Population 14,188 (2025) · 402 sq mi
Newton County is the 82nd most populous of Indiana's 92 counties, with 14,188 people (2025 estimate). Its county seat is Kentland. It is part of the Northwest (Region 1) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 5 cities and towns and the 5 neighboring counties.
Newton County facts
- County seat
- Kentland
- Population (2025 estimate)
- 14,188 +2.6% since 2020
- Land area
- 402 sq mi 43rd largest of 92
- Water area
- 2 sq mi
- Population density
- 35 per sq mi
- Established
- 1859
- Named after
- John Newton American soldier
- Largest city
- Roselawn 2,579 in the county
- Median household income
- $75,481
- Cities and towns
- 5 plus 4 CDPs
- ZIP codes
- 12
- Time zone
- Central
- FIPS code
- 18111
Cities and towns in Newton County
Newton County has 5 incorporated cities, towns and villages. Populations count the people living inside Newton County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Kentland (county seat) | Town | 1,631 | |
| Morocco | Town | 1,084 | |
| Goodland | Town | 971 | |
| Brook | Town | 944 | |
| Mount Ayr | Town | 116 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Roselawn | 2,579 | Jasper County |
| Lake Village | 705 | |
| Thayer | 212 | |
| Sumava Resorts | 143 |
ZIP codes in Newton County
12 ZIP codes reach into Newton County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46310 also Jasper County
- 46349
- 46379
- 46381
- 47922 also Jasper County
- 47942 also Benton County
- 47943 also Jasper County
- 47948 also Jasper and Benton counties
- 47951
- 47963
- 47964
- 47978 also Jasper and White counties
Population of Newton County, 2020–2025
Newton County grew by 363 people (+2.6%) between April 2020 and July 2025: 287 more deaths than births and a net gain of 646 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 13,787 |
| 2021 | 13,811 |
| 2022 | 13,828 |
| 2023 | 14,027 |
| 2024 | 14,087 |
| 2025 | 14,188 |
Neighboring counties
- Jasper County east · 33,894 people
- Iroquois County, Illinois southwest · 26,150 people
- Lake County north · 504,612 people
- Benton County south · 8,883 people
- Kankakee County, Illinois northwest · 105,525 people
Printable Newton 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) (87 KB)
- PNG (2400 px) (74 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.
Back to the Indiana county map with all 92 counties. Found an error? Tell us.