Lake County vs Lewis and Clark County

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

Lake 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.

Lewis and Clark County has the higher population (72,580 vs 32,073 in Lake County). Lewis and Clark County has the higher median household income ($74,543 vs $61,965 in Lake County). Lake County has the higher median home value ($369,200 vs $358,200 in Lewis and Clark County).

Population, income & housing

	Lake County	Lewis and Clark County
Population	32,073	72,580
Median age	43.8 yrs	41.3 yrs
Median household income	$61,965	$74,543
Median home value	$369,200	$358,200
Median gross rent	$884	$1,062
Housing units	16,457	33,837
Homeownership rate	73.8%	69.7%
Bachelor's degree or higher	30.5%	42.8%
Unemployment rate	6.4%	3.5%

Trends (ACS 5-year, 2019–2023)

	Lake County	Lewis and Clark County
Population	30,013 → 32,073 (+6.9%)	67,805 → 72,580 (+7.0%)
Median household income	$48,829 → $61,965 (+26.9%)	$65,791 → $74,543 (+13.3%)
Median home value	$253,100 → $369,200 (+45.9%)	$243,000 → $358,200 (+47.4%)
Median gross rent	$705 → $884 (+25.4%)	$833 → $1,062 (+27.5%)

Lake County

Population

30,01332,073

Median household income

$48,829$61,965

Median home value

$253,100$369,200

Median gross rent

$705$884

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)

	Lake County	Lewis and Clark County
Under 5	5.1%	5.4%
5 to 17	17.5%	16.0%
18 to 24	7.0%	7.6%
25 to 34	10.6%	12.1%
35 to 44	11.2%	13.2%
45 to 54	10.7%	11.7%
55 to 64	14.4%	14.1%
65 to 74	14.3%	12.6%
75 and over	9.3%	7.3%

Race & ethnicity (share)

	Lake County	Lewis and Clark County
White (non-Hispanic)	64.5%	89.2%
Black or African American	0.2%	0.6%
American Indian & Alaska Native	20.1%	0.9%
Asian	0.5%	0.6%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.2%	0.3%
Two or more races	10.2%	4.5%
Hispanic or Latino	4.2%	3.9%

Educational attainment (age 25+)

Share of adults 25+

	Lake County	Lewis and Clark County
No high school diploma	7.0%	5.1%
High school graduate	25.9%	23.5%
Some college or associate's	36.6%	28.5%
Bachelor's degree	20.1%	27.9%
Graduate or professional degree	10.4%	15.0%

Commute to work

How workers get to work (share)

	Lake County	Lewis and Clark County
Drove alone	71.6%	69.2%
Carpooled	11.8%	10.7%
Public transit	0.2%	0.2%
Walked	3.6%	4.8%
Bicycle	0.6%	0.9%
Worked from home	11.1%	12.9%
Other means	1.1%	1.4%

Housing

Units in structure (share)

	Lake County	Lewis and Clark County
1-unit, detached	77.8%	66.3%
1-unit, attached	2.2%	3.7%
2 to 4 units	5.9%	11.6%
5 to 19 units	3.0%	4.3%
20 or more units	1.0%	4.2%
Mobile home & other	10.1%	9.9%

Poverty & households

	Lake County	Lewis and Clark County
Poverty rate	17.7%	8.7%
Average household size	2.60	2.31
Mean commute (minutes)	22	18
Median year structure built	1986	1982