Madison County, Indiana
County seat: Anderson · Population 135,088 (2025) · 452 sq mi
Madison County is the 13th most populous of Indiana's 92 counties, with 135,088 people (2025 estimate). Its county seat is Anderson. It is part of the Central (Region 5) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 15 cities and towns and the 6 neighboring counties.
Madison County facts
- County seat
- Anderson
- Population (2025 estimate)
- 135,088 +3.8% since 2020
- Land area
- 452 sq mi 19th largest of 92
- Water area
- 1 sq mi
- Population density
- 299 per sq mi
- Established
- 1823
- Named after
- James Madison President of the United States from 1809 to 1817 (1751–1836)
- Largest city
- Anderson 56,153
- Median household income
- $63,037
- Cities and towns
- 15 plus 2 CDPs
- ZIP codes
- 18
- Time zone
- Eastern
- FIPS code
- 18095
Cities and towns in Madison County
Madison County has 15 incorporated cities, towns and villages. Populations count the people living inside Madison County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Anderson (county seat) | City | 56,153 | |
| Elwood | City | 8,518 | Tipton County |
| Pendleton | Town | 5,930 | |
| Alexandria | City | 5,223 | |
| Ingalls | Town | 2,635 | |
| Lapel | Town | 2,570 | |
| Chesterfield | Town | 2,517 | Delaware County |
| Edgewood | Town | 2,087 | |
| Frankton | Town | 1,827 | |
| Summitville | Town | 991 | |
| Markleville | Town | 493 | |
| Orestes | Town | 340 | |
| Country Club Heights | Town | 98 | |
| Woodlawn Heights | Town | 90 | |
| River Forest | Town | 23 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Fishersburg | 162 | Hamilton County |
| Perkinsville | 79 |
ZIP codes in Madison County
18 ZIP codes reach into Madison County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46001 also Delaware County
- 46011
- 46012 also Delaware County
- 46013
- 46016
- 46017 also Delaware County
- 46036 also Tipton and Grant counties
- 46040 also Hancock and Hamilton counties
- 46044
- 46048
- 46051
- 46056 also Hancock and Henry counties
- 46060 also Hamilton County
- 46063
- 46064 also Hancock County
- 46070 also Delaware County
- 46928 also Grant and Howard counties
- 47356 also Henry and Delaware counties
Population of Madison County, 2020–2025
Madison County grew by 4,989 people (+3.8%) between April 2020 and July 2025: 2,112 more deaths than births and a net gain of 7,046 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 130,155 |
| 2021 | 130,524 |
| 2022 | 130,977 |
| 2023 | 132,031 |
| 2024 | 133,572 |
| 2025 | 135,088 |
Neighboring counties
- Delaware County east · 113,106 people
- Hamilton County southwest · 387,036 people
- Hancock County south · 90,969 people
- Grant County north · 66,524 people
- Tipton County northwest · 15,319 people
- Henry County southeast · 49,137 people
Printable Madison 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) (82 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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