Madison County, New York

County seat: Wampsville · Population 67,120 (2025) · 655 sq mi

Madison County is the 37th most populous of New York's 62 counties, with 67,120 people (2025 estimate). Its county seat is Wampsville. The map shows its 11 cities and towns and the 6 neighboring counties.

Map of Madison County, New York with cities, towns and the county boundary
Madison County, New York with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Madison County facts

County seat
Wampsville
Population (2025 estimate)
67,120 −1.3% since 2020
Land area
655 sq mi 31st largest of 62
Water area
6 sq mi
Population density
103 per sq mi
Established
1806
Same name
One of 19 Madison Counties in the US
Named after
James Madison President of the United States from 1809 to 1817 (1751–1836)
Largest city
Sullivan 14,623
Median household income
$75,499
Cities and towns
11 plus 2 CDPs
ZIP codes
31
Time zone
Eastern
FIPS code
36053

Cities and towns in Madison County

Madison County has 11 incorporated cities, towns and villages. Populations count the people living inside Madison County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
OneidaCity10,009
ChittenangoVillage4,753
CanastotaVillage4,400
HamiltonVillage4,078
CazenoviaVillage2,722
MorrisvilleVillage1,795
Wampsville (county seat)Village569
EarlvilleVillage486Chenango County
MunnsvilleVillage435
DeRuyterVillage414
MadisonVillage313

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Bridgeport257Onondaga County
Bridgewater0Oneida County

ZIP codes in Madison County

31 ZIP codes reach into Madison County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Madison County, 2020–2025

Madison County shrank by 900 people (−1.3%) between April 2020 and July 2025: 806 more deaths than births and a net loss of 93 people from migration.

Year (July 1)Population
202067,942
202167,405
202267,059
202367,242
202467,193
202567,120

Neighboring counties

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.

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Sources

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