Lewis and Clark County
Small metro
FIPS 30049
Profiled Cities (1)
People
75.3K
Population
Census 2025 Est.21.8/sq mi
Density
Census 2025 Est.5.8%
Growth 2020–25
Census 2020–2025$78K
Median HH Income
ACS 2024 5-yr41.8
Median Age
ACS 2024 5-yr94.8%
Bachelor's+
ACS 2024 5-yr8.1%
Poverty Rate
SAIPE 20245.7%
Uninsured
ACS 2024 5-yr70.1%
Owner-Occupied
ACS 2024 5-yr14.8%
Disability
ACS 2024 5-yr4.0%
Hispanic
ACS 2024 5-yr88.6%
Non-Hisp. White
ACS 2024 5-yr0.5%
Non-Hisp. Black
ACS 2024 5-yrMigration
IRS Statistics of Income county migration. Measures tax filer movement, not Census population counts.
3.5K
Inflow (people)
IRS SOI 2022–233.2K
Outflow (people)
IRS SOI 2022–23251
Net Migration
IRS SOI 2022–23Economy
2.7%
Unemployment
BLS LAUS 202537.6K
Labor Force
BLS LAUS 2025$67K
Per Capita Income
BEA 2024$5.7B
County GDP
BEA 20242.6K
Business Establishments
CBP 202327.3K
Employees
CBP 2023$1.4B
Annual Payroll
CBP 2023Housing
$394K
Median Home Value
ACS 2024 5-yr$1K
Median Gross Rent
ACS 2024 5-yr5K
Owner HH w/ Housing Problems
ACS 2024 5-yr3.5K
Renter HH w/ Housing Problems
ACS 2024 5-yrNo
Housing Stress (USDA)
ACS 2024 5-yrHealth
19th pctile
Social Vulnerability
CDC SVI 202230.8%
Adult Obesity
CDC PLACES 20257.5%
Diabetes
CDC PLACES 202518.1%
Poor Mental Health
CDC PLACES 202512.2%
Current Smoking
CDC PLACES 202590.5/100K
Primary Care Physicians
HRSA AHRF 2024–253.4/1K
Hospital Beds
HRSA AHRF 2024–25444.8/1K bene
Medicare ER Visits
CMS 2023Environment & Risk
71.2
FEMA Risk Score
FEMA NRI Dec 2025Relatively Low
Risk Rating
FEMA NRI Dec 2025Very High
Resilience Rating
FEMA NRI Dec 2025$34.8M
Expected Annual Loss
FEMA NRI Dec 20255.27
PM2.5 (EPA EJScreen)
EPA EJScreen 20240.07
Diesel PM
EPA EJScreen 20240.8%
EJ Demographic Index
EPA EJScreen 2024Broadband & Food Access
0.8%
Fixed Broadband 100/20 Mbps
FCC 20241.0%
Mobile 5G Coverage
FCC 202417.1%
Low Food Access (pop)
USDA FEA 20191.4%
No-Car Low Food Access (HH)
USDA FEA 2019Land & Climate
3458.4 sq mi
Land Area
TIGER 202441.2°F
Avg Temp (1991–2020)
NOAA 1991–202052.4°F
Avg Max Temp
NOAA 1991–202030.0°F
Avg Min Temp
NOAA 1991–202022.3"
Annual Precip
NOAA 1991–2020County Character
Metro - Counties in metro areas of fewer than 250,000 population
Rural-Urban Class (RUCC)
TIGER 2024Small metro
NCHS Urban-Rural Class
TIGER 2024Government-dependent
Industry Dependence (USDA)
TIGER 2024Government
Typology Flags
TIGER 2024