United States › Montana › Lewis and Clark County COUNTY · 1990 CENSUS
Lewis and Clark County Montana · 47,495 residents · 3,458 sq mi
Time machine
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The short version
Lewis and Clark County is home to 47,495 people in Montana. About 28% of adults have finished a four-year degree. The typical home is worth $61,900. Getting to work takes 16 minutes on average. That is roughly 15% ahead of the Montana median. The population has fallen 15% since 2000.
At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 34.0
US median: 33.0
More educated
28% hold a bachelor's degree
US average: 20%
More affordable
home values down 23%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 38.0 in 2000
US average: 33.0
Population, 1990 – 2024
45K 53K 60K 68K 76K 1990 2000 2010 2020 2024 Lewis and Clark County Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $26,409
−7%inflation adjusted, since 2000
vs $37,360 in 2000
US average: $30,130
vs $18,763 in 2000
US average: $14,340
vs 10.9% in 2000
US average: 13.2%
$61,900
−23%inflation adjusted, since 2000
vs $105,800 in 2000
US average: $93,722
$329
−5%inflation adjusted, since 2000
vs $457 in 2000
US average: $450
vs 70.1% in 2000
31.5% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 94.4%(52,571)
Hispanic / Latino 1.5%(843)
1990
White, non-Hispanic 96.7%(45,912)
Hispanic / Latino 1.1%(525)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 34 more ancestry groups with data vs 31.6% in 2000
US average: 20.3%
High school or higher
vs 91.4% in 2000
US average: 75.2%
vs 10.3% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 11.0 min in 2000
US average: 21.9
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status (2024)
Men 15+
Never married 30.4%(9,107)
Women 15+
Never married 23.4%(7,208)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 10.5% in 2013
US average: 8.4%
from 57.8% in 2020
US average: 54.8%
Direct-purchase
from 15.4% in 2020
US average: 13.8%
from 20.4% in 2020
US average: 18.4%
from 18.4% in 2020
US average: 20.9%
VA health care
from 6.1% in 2020
US average: 2.2%
Any private
from 73.0% in 2020
US average: 67.1%
Any public
from 37.9% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 35.1%(1,960)
Gulf War (1990s) 26.2%(1,463)
Share of the 5,583 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Lewis and Clark County Head to head
Compare Lewis and Clark County to nearby counties LEWIS AND CLARK COUNTY VS
Powell County
Income $66,923 +153%
Home value $306,500 +395%
Population 7,157 −90%
SEE FULL COMPARISON →
LEWIS AND CLARK COUNTY VS
Teton County
Income $70,430 +167%
Home value $264,000 +326%
Population 6,496 −91%
SEE FULL COMPARISON →
LEWIS AND CLARK COUNTY VS
Cascade County
Income $67,690 +156%
Home value $265,300 +329%
Population 85,029 +13%
SEE FULL COMPARISON →
LEWIS AND CLARK COUNTY VS
Broadwater County
Income $70,374 +166%
Home value $426,600 +589%
Population 8,493 −89%
SEE FULL COMPARISON →
Frequently asked
How many people live in Lewis and Clark County, Montana? Lewis and Clark County, Montana has about 47,495 residents according to the 1990 Census.
What is the median household income in Lewis and Clark County, Montana? The typical household in Lewis and Clark County, Montana earns about $26,409 a year. Half of households make more than that, and half make less.
Is Lewis and Clark County, Montana expensive? In Lewis and Clark County, Montana, the median home is worth about $61,900, and the typical rent is about $329 a month.
How educated are people in Lewis and Clark County, Montana? About 27.8% of adults age 25 and over in Lewis and Clark County, Montana hold a bachelor's degree or higher.
What is the poverty rate in Lewis and Clark County, Montana? About 11.8% of people in Lewis and Clark County, Montana live below the federal poverty line.
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