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Population:11,406 (More Details)
Male Population:5,814
Female Population:5,592
Median Age:46
ZIP Codes:6
Area Codes:0
Total Area:1,659 square miles (county)
Land Area:1,656 square miles (county)
Water Area:3 square miles (county)

JEFFERSON County, MT Covers 6 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 59631P.O. BoxBasin237Mountain406
ZIP Code 59632GeneralBoulder1,939Mountain406
ZIP Code 59634GeneralClancy4,819Mountain406
ZIP Code 59638P.O. BoxJefferson City617Mountain406
ZIP Code 59721GeneralCardwell433Mountain406
ZIP Code 59759GeneralWhitehall3,643Mountain406

JEFFERSON, MT Demographic Information

* Demographic data is based on 2010 Census.

More Census Information

Total population of JEFFERSON County, MT11,406
Male population of JEFFERSON County, MT5,814
Female population of JEFFERSON County, MT5,592
Median age (years)46.2
White Population10,889
Black Population16
Indian Population163
Asian Population40
Hawaiian Population2
Hispanic Population224
Median age (Male)46.4
Median age (Female)46.1
Total households4,512
Family households (families)3,301
Average household size for JEFFERSON County, MT2.48
Average family size of JEFFERSON County, MT2.9
Total housing units for JEFFERSON County, MT5,055

JEFFERSON County, MT Covers 6 Cities