Flathead County vs Lewis and Clark County

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

Flathead 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.

Flathead County has the higher population (108,445 vs 72,580 in Lewis and Clark County). Lewis and Clark County has the higher median household income ($74,543 vs $71,327 in Flathead County). Flathead County has the higher median home value ($467,700 vs $358,200 in Lewis and Clark County).

Population, income & housing

	Flathead County	Lewis and Clark County
Population	108,445	72,580
Median age	42.1 yrs	41.3 yrs
Median household income	$71,327	$74,543
Median home value	$467,700	$358,200
Median gross rent	$1,094	$1,062
Housing units	50,948	33,837
Homeownership rate	74.0%	69.7%
Bachelor's degree or higher	36.0%	42.8%
Unemployment rate	3.0%	3.5%

Trends (ACS 5-year, 2019–2023)

	Flathead County	Lewis and Clark County
Population	99,899 → 108,445 (+8.6%)	67,805 → 72,580 (+7.0%)
Median household income	$56,182 → $71,327 (+27.0%)	$65,791 → $74,543 (+13.3%)
Median home value	$273,600 → $467,700 (+70.9%)	$243,000 → $358,200 (+47.4%)
Median gross rent	$855 → $1,094 (+28.0%)	$833 → $1,062 (+27.5%)

Flathead County

Population

99,899108,445

Median household income

$56,182$71,327

Median home value

$273,600$467,700

Median gross rent

$855$1,094

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)

	Flathead County	Lewis and Clark County
Under 5	5.4%	5.4%
5 to 17	16.4%	16.0%
18 to 24	6.6%	7.6%
25 to 34	12.0%	12.1%
35 to 44	13.1%	13.2%
45 to 54	11.8%	11.7%
55 to 64	13.9%	14.1%
65 to 74	13.3%	12.6%
75 and over	7.5%	7.3%

Race & ethnicity (share)

	Flathead County	Lewis and Clark County
White (non-Hispanic)	90.7%	89.2%
Black or African American	0.2%	0.6%
American Indian & Alaska Native	0.9%	0.9%
Asian	0.9%	0.6%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.3%	0.3%
Two or more races	3.5%	4.5%
Hispanic or Latino	3.5%	3.9%

Educational attainment (age 25+)

Share of adults 25+

	Flathead County	Lewis and Clark County
No high school diploma	4.4%	5.1%
High school graduate	27.4%	23.5%
Some college or associate's	32.2%	28.5%
Bachelor's degree	24.2%	27.9%
Graduate or professional degree	11.8%	15.0%

Commute to work

How workers get to work (share)

	Flathead County	Lewis and Clark County
Drove alone	73.8%	69.2%
Carpooled	6.5%	10.7%
Public transit	0.1%	0.2%
Walked	2.9%	4.8%
Bicycle	0.6%	0.9%
Worked from home	14.7%	12.9%
Other means	1.5%	1.4%

Housing

Units in structure (share)

	Flathead County	Lewis and Clark County
1-unit, detached	72.6%	66.3%
1-unit, attached	5.0%	3.7%
2 to 4 units	5.7%	11.6%
5 to 19 units	4.7%	4.3%
20 or more units	3.1%	4.2%
Mobile home & other	8.9%	9.9%

Poverty & households

	Flathead County	Lewis and Clark County
Poverty rate	9.6%	8.7%
Average household size	2.46	2.31
Mean commute (minutes)	19	18
Median year structure built	1989	1982