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Lewis and Clark County

MT

Lewis and Clark County, MT · County profile

73,464people

Median Income
$78,237
Median Home Value
$393,500
Land Area
3,458.38sq mi

A central county of the Helena, MT metro area

Market now

Population trend

Businesses

Demographic Rates

Poverty Rate
8.10%
Unemployment
3.20%
College Educated
43.00%
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1701, S2301, S1501

Race & Ethnicity

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table B02001, B03003

Income Profile

Median Household Income
$78,237
Mean Household Income
$104,055

Income Distribution

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1901, S1902, S1903, B19013, B19113

Sex Distribution

Male
49.6%
Female
50.4%

Population Split

Male49.6%
Female50.4%

The sex distribution of a population provides insight into the demographic balance of a community. Significant skews in this ratio can be influenced by local industries (e.g., military bases, mining, or tech hubs), educational institutions, or migration patterns. Understanding this balance is essential for planning public health initiatives and social services.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S0101

Ancestry

German23.5%
Irish15.9%
English15.4%
Italian3.6%
French3.1%
Scottish3.0%
Mexican2.4%
Polish1.8%
African0.1%

Reported ancestry groups representing the cultural heritage of the population. Percentages may not sum to 100% as residents may report multiple ancestries or none.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table B04006

Immigration & Nativity

Nativity Status

1.9%Foreign Born
98.1%Native Born

Citizenship Status

Naturalized63.2%
Non-Citizen36.8%

Period of Entry

2010 or Later25.2%
Before 201074.8%
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table B05001, B05002

Housing Characteristics

Total Housing Units
34,082
Median Rent
$1,102/mo
Median Home Value
$393,500
Median Year Built
1982

Housing Tenure

Housing Types

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table DP04

Education Enrollment

Total Enrolled
15,944
College Enrollment
19.5%
High School
20.3%
College Educated
43.0%

K-12 Enrollment

Higher Education

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1401, S1501

Transportation & Commute

Mean Commute Time
18.3 min
Drive Alone Rate
68.1%
Public Transit
0.2%
Work From Home
14.5%

Commute Mode

Vehicle Ownership

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S0801, B08141

Age Distribution

Under 18
21.2%
18-34 Years
19.5%
35-64 Years
39.1%
65+ Years
20.2%

Population Composition

Under 1821.2%
18-3419.5%
35-6439.1%
65+20.2%

The age distribution of a community impacts local services, school requirements, and the labor market. A higher percentage of youth suggests a need for schools and family services, while a larger senior population may indicate a retirement destination or a need for healthcare services.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S0101

Household Composition

Married Couples
47.9%
Single Parent
4.4%
Living Alone
32.9%
Avg Size
2.30

Household Types

Married Couples47.9%
Single Parent4.4%
Living Alone32.9%

Household composition offers insights into the social fabric of a community. A high percentage of married couples often correlates with stability and higher household incomes, while a significant number of single-person households may indicate a younger transient population or an aging community.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1101

Economic Profile

Per Capita Income
$44,837
SNAP Usage
7.8%
Health Insurance
94.3%

Household Income Breakdown

Under $25k10.3%
$25k - $50k19.5%
$50k - $100k31.5%
$100k+38.8%

Key Industries

Manufacturing
2.8%
Retail Trade
9.7%
Education & Health Care
25.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1901, S2201, DP03

Health & Disability

Disability Rate

14.8%With Disability

Percentage of the civilian noninstitutionalized population with a disability.

Health Insurance Coverage

94.3%With Coverage

Percentage of the civilian noninstitutionalized population with health insurance coverage.

Why this matters: High disability rates may indicate a need for accessible infrastructure and specialized healthcare services. Health insurance coverage is a key indicator of a community's access to preventative care and financial resilience against medical emergencies.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S1810, S2701

Technology Access

Broadband Internet
90.3%vs ~90% National Avg
Computer Ownership
95.0%vs ~95% National Avg
Source: U.S. Census Bureau, ACS 5-Year Estimates (2020–2024) • Table S2801

Cost of Living & Housing

Cost of Living Scale

Lower is better
95.7
0130
Below average< 97
Near average97 - 103
Above average> 103

Prices compared with the US average (100). 105 means about 5% more expensive than average.

Housing Affordability

Higher is better
107.4
0200
Hard to Afford< 80
Moderate80 - 100
Affordable> 100

100 means a family earning the median family income just qualifies to buy the median-value home (20% down, 30-year loan at 6.72%).

Source: BEA Regional Price Parities · NAR affordability formula with Census ACS 2020–2024 incomes and home values and the Freddie Mac 30-year rate (2024)

Locations in County

No location data available for this county.

Census Tracts

Explore All Tracts

Dive deeper into Lewis and Clark County's demographic and economic data at the census tract level. Census tracts provide granular insights into local communities.