Cascade County vs Lewis and Clark County

A side-by-side comparison of Cascade County and Lewis and Clark County: population, income, housing, and more.

Cascade County and Lewis and Clark County are counties in Montana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Cascade County has the higher population (84,601 vs 72,580 in Lewis and Clark County). Lewis and Clark County has the higher median household income ($74,543 vs $66,203 in Cascade County). Lewis and Clark County has the higher median home value ($358,200 vs $243,300 in Cascade County).

Population, income & housing

	Cascade County	Lewis and Clark County
Population	84,601	72,580
Median age	38.3 yrs	41.3 yrs
Median household income	$66,203	$74,543
Median home value	$243,300	$358,200
Median gross rent	$902	$1,062
Housing units	39,248	33,837
Homeownership rate	70.2%	69.7%
Bachelor's degree or higher	28.7%	42.8%
Unemployment rate	3.0%	3.5%

Trends (ACS 5-year, 2019–2023)

	Cascade County	Lewis and Clark County
Population	81,625 → 84,601 (+3.6%)	67,805 → 72,580 (+7.0%)
Median household income	$49,913 → $66,203 (+32.6%)	$65,791 → $74,543 (+13.3%)
Median home value	$179,900 → $243,300 (+35.2%)	$243,000 → $358,200 (+47.4%)
Median gross rent	$770 → $902 (+17.1%)	$833 → $1,062 (+27.5%)

Cascade County

Population

81,62584,601

Median household income

$49,913$66,203

Median home value

$179,900$243,300

Median gross rent

$770$902

Lewis and Clark County

Population

67,80572,580

Median household income

$65,791$74,543

Median home value

$243,000$358,200

Median gross rent

$833$1,062

Age & race/ethnicity

Age distribution (share)

	Cascade County	Lewis and Clark County
Under 5	5.9%	5.4%
5 to 17	16.5%	16.0%
18 to 24	8.9%	7.6%
25 to 34	14.1%	12.1%
35 to 44	12.2%	13.2%
45 to 54	10.3%	11.7%
55 to 64	12.8%	14.1%
65 to 74	11.2%	12.6%
75 and over	8.1%	7.3%

Race & ethnicity (share)

	Cascade County	Lewis and Clark County
White (non-Hispanic)	83.2%	89.2%
Black or African American	1.4%	0.6%
American Indian & Alaska Native	3.4%	0.9%
Asian	1.1%	0.6%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.3%
Two or more races	5.3%	4.5%
Hispanic or Latino	5.1%	3.9%

Educational attainment (age 25+)

Share of adults 25+

	Cascade County	Lewis and Clark County
No high school diploma	6.1%	5.1%
High school graduate	31.5%	23.5%
Some college or associate's	33.6%	28.5%
Bachelor's degree	18.3%	27.9%
Graduate or professional degree	10.5%	15.0%

Commute to work

How workers get to work (share)

	Cascade County	Lewis and Clark County
Drove alone	77.9%	69.2%
Carpooled	10.3%	10.7%
Public transit	0.7%	0.2%
Walked	2.3%	4.8%
Bicycle	0.7%	0.9%
Worked from home	7.0%	12.9%
Other means	1.1%	1.4%

Housing

Units in structure (share)

	Cascade County	Lewis and Clark County
1-unit, detached	67.4%	66.3%
1-unit, attached	5.4%	3.7%
2 to 4 units	7.0%	11.6%
5 to 19 units	6.7%	4.3%
20 or more units	6.3%	4.2%
Mobile home & other	7.2%	9.9%

Poverty & households

	Cascade County	Lewis and Clark County
Poverty rate	13.2%	8.7%
Average household size	2.34	2.31
Mean commute (minutes)	17	18
Median year structure built	1969	1982