Lewis and Clark
County in Montana
County
The population development of Lewis and Clark.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|
| Lewis and Clark | County | 47,495 | 55,716 | 63,395 | 70,970 | 75,011 | → |
| Montana | State | 799,065 | 902,195 | 989,415 | 1,084,244 | 1,132,812 |
Contents: Incorporated Places
The population development of the incorporated places in Lewis and Clark.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|---|
| East Helena | City | Lewis and Clark | 1,616 | 2,072 | 2,025 | 1,945 | 2,138 | → |
| Helena | City | Lewis and Clark | 24,572 | 26,145 | 28,811 | 32,101 | 34,464 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.