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Lewis and Clark

County in Montana

County

The population development of Lewis and Clark.

NameStatusPopulation
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2018-07-01
 
Lewis and ClarkCounty55,71663,39568,700
MontanaState902,200989,4141,062,305

Contents: Incorporated Places

The population development of the incorporated places in Lewis and Clark.

Name StatusCountyPopulation
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2018-07-01
 
East HelenaCityLewis and Clark1,6602,0112,089
HelenaCityLewis and Clark26,14528,54532,315

Source: U.S. Census Bureau (web).

Explanation: Places: 2000 population in the boundaries of 2010 and later population figures in the boundaries of 2018.