CensusEasy
COUNTY · 2000 CENSUS

Lewis and Clark County

Montana · 55,716 residents · 3,458.381 sq mi
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The short version

Lewis and Clark County has lower-than-average household income, with a median household income of $37,360. Population has grown 17% since 1990. Median home value has risen by half since 1990, reaching $105,800.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 38.0
US median: 35.2
More educated
32% hold a bachelor's degree
US average: 24%
Less affordable
home values up 30%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
55,716
+17%since 1990
from 47,495 in 1990
1990 – 2025
Population density
16 / sq mi
+17%since 1990
from 14 / sq mi in 1990
US average: 242
Median age
38.0
+12%since 1990
from 34.0 in 1990
US average: 35.2
Population, 1990 – 2024
45K53K60K68K76K1990201020202024Lewis and Clark County
202473K
1990201020202024
Section 02

Income & economy

Median household income
$37,360
+7%inflation adjusted, since 1990
from $26,409 in 1990
US average: $42,589
1990 – 2024
Per capita income
$18,763
+52%since 1990
from $12,342 in 1990
US average: $21,522
Poverty rate
10.9%
−0.9 ptssince 1990
from 11.8% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$105,800
+30%inflation adjusted, since 1990
from $61,900 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$457
+5%inflation adjusted, since 1990
from $329 in 1990
US average: $602
Owner-occupied
70.1%
+1.6 ptssince 1990
from 68.5% in 1990
29.9% rent
Afford Score
2.8
+21%since 1990
from 2.3 in 1990
1990 – 2024
RELATED:See current rent listings in Lewis and Clark County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic96.7%(45,912)
Black0.1%(49)
Hispanic / Latino1.1%(525)
Asian0.7%(331)
Diversity Score10.6%(5,051)
2000
White, non-Hispanic94.4%(52,571)
Black0.2%(104)
Hispanic / Latino1.5%(843)
Asian0.5%(282)
Diversity Score5.6%(3,126)
Diversity Score
6
−47%since 1990
from 11 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
31.6%
+3.7 ptssince 1990
from 27.8% in 1990
US average: 24.4%
High school or higher
91.4%
+3.9 ptssince 1990
from 87.4% in 1990
US average: 80.3%
Graduate degree
10.3%
+1.4 ptssince 1990
from 9.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
11.0 min
−30%since 1990
from 15.7 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Lewis and Clark County

Morgan County
Pop 74,967
Floyd County
Pop 82,153
Kosciusko County
Pop 80,892
Lonoke County
Pop 76,664
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+79%
Home value$306,500+190%
Population7,157−90%
SEE FULL COMPARISON →
LEWIS AND CLARK COUNTY VS
Teton County
Income$70,430+89%
Home value$264,000+150%
Population6,496−91%
SEE FULL COMPARISON →
LEWIS AND CLARK COUNTY VS
Cascade County
Income$67,690+81%
Home value$265,300+151%
Population85,029+13%
SEE FULL COMPARISON →
LEWIS AND CLARK COUNTY VS
Broadwater County
Income$70,374+88%
Home value$426,600+303%
Population8,493−89%
SEE FULL COMPARISON →
Frequently asked

How many people live in Lewis and Clark County, Montana?

Lewis and Clark County, Montana has about 55,716 residents according to the 2000 Census.

What is the median household income in Lewis and Clark County, Montana?

The typical household in Lewis and Clark County, Montana earns about $37,360 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 $105,800, and the typical rent is about $457 a month.

How educated are people in Lewis and Clark County, Montana?

About 31.6% 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 10.9% of people in Lewis and Clark County, Montana live below the federal poverty line.

Has Lewis and Clark County, Montana grown since 1990?

Yes, Lewis and Clark County, Montana has grown since 1990. The population has added about 8,221 residents, a change of about 17 percent over that period.

Keep going

Explore from here

17 census tracts
Census Tract 12.01Census Tract 4Census Tract 2Census Tract 12.02Census Tract 7.02Census Tract 5.03Census Tract 5.01Census Tract 11.02Census Tract 8Census Tract 9Census Tract 10Census Tract 5.04Census Tract 11.01Census Tract 3Census Tract 6Census Tract 7.01Census Tract 1
11 ZIP codes
ZIP 59601ZIP 59602ZIP 59635ZIP 59639ZIP 59625ZIP 59410ZIP 59648ZIP 59633ZIP 59640ZIP 59636ZIP 59623
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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