Home values, rents and more in Lewis and Clark County, MT
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
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How Lewis and Clark County, MT compares
The typical home in Lewis and Clark County, MT is worth about $466,000, according to the Zillow Home Value Index for September 2026. Home values in Lewis and Clark County, MT are about the same as the typical value in the Helena metro area ($473,000) and 27% above the U.S. typical value ($366,000).
Over the past year, home values in Lewis and Clark County, MT rose 3.0%, compared with +3.0% in the Helena metro area and +1.2% nationally.
Typical rent is $1,648 a month (Zillow Observed Rent Index), about the same as the Helena metro area ($1,646) and 15% below the U.S. ($1,932). Rents rose 3.6% over the past year.
The median household income is $78,237, against $78,528 in the Helena metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 75,331 people live in Lewis and Clark County, MT (Census Bureau estimate for July 2025).
Lewis and Clark County, MT has the lowest typical home value of the 3 counties in the Helena metro area and the 13th-highest of 56 in Montana with Zillow figures.
Part of: Helena metro area · Montana
More for Lewis and Clark County, MT in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in Lewis and Clark County, MT
ZIP codes in Lewis and Clark County, MT
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.