US ZIP Code Map

City

Alton, NH ZIP codes

2 ZIPs, including 03809 as primary city.

ACS population

5,953

Median household income

$117,690

Median home value

$452,400

Map of Alton

ZIP code map

ZIP share of this city

Population share

ZIP codes in Alton

ZIPCityCountyPopulationIncome
03809AltonBelknap County3,684$92,278
03810Alton BayBelknap County2,269$143,102