Lewis and Clark County, Montana

Browse all ZIP codes in Lewis and Clark County, Montana. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 71,773
Median Household Income $62,420
Median Age 41.3
Unemployment Rate 3.5%
Poverty Rate 8.6%
ZIP Codes 11

Largest ZIP Codes in Lewis and Clark County

ZIP Code City Population Median Income
59601Helena31,447$65,696
59602Helena29,846$89,464
59635East Helena7,815$69,295
59639Lincoln1,171$44,300
59410Augusta621$41,118

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Lewis and Clark County