Lake County, MT Average Home Price (2026)
The average home price in Lake County, Montana is about $661,000 (the 2026 median across 11 ZIP codes, at ~$400/sq ft) — 58% more expensive than the Montana median and 129% more expensive than the typical U.S. home.
How Lake County compares
Lake County is relatively expensive for housing nationally: its typical home costs $661,000 against $418,500 for Montana and $289,000 for the U.S. Within the county, ZIP-level values run from about $275,000 to $1,138,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Lake County | $661,000 | $400 |
| Montana | $418,500 | $280 |
| United States | $289,000 | $193 |
Lake County home prices by ZIP code
The 11 most valuable ZIP codes in Lake County (of 11 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 59931 Rollins | $1,138,000 | $875 | +72% |
| 59910 Big Arm | $893,000 | $1040 | +35% |
| 59914 Big Arm | $857,000 | $1427 | +30% |
| 59911 Bigfork | $806,000 | $492 | +22% |
| 59915 Elmo | $798,000 | $363 | +21% |
| 59929 Proctor | $661,000 | $563 | +0% |
| 59860 Polson | $574,000 | $319 | -13% |
| 59824 Charlo | $557,000 | $400 | -16% |
| 59865 Saint Ignatius | $540,000 | $277 | -18% |
| 59864 Ronan | $439,000 | $298 | -34% |
| 59855 Ronan | $275,000 | $191 | -58% |
Home value appreciation in Lake County
Home prices in Lake County have risen about 123% over the last 10 years (≈8.3% a year) and +159.4% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +3.5% — still rising. A home worth $661,000 today was worth roughly $296,413 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Montana is +105.0% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Lake County
Run the numbers for Lake County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Lake County
To buy the typical $661,000 home in Lake County with 20% down, you need a household income of roughly $180,000 a year (about $4,200 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $214,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $33,100 | $5,220/mo | $224,000/yr |
| 10% (+PMI) | $66,100 | $4,990/mo | $214,000/yr |
| 20% | $132,200 | $4,200/mo | $180,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Lake County
At about $400 per square foot, here is roughly how much home different budgets get you in Lake County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $300k | 750 sq ft | below the local median — condos, smaller or older homes |
| $400k | 1000 sq ft | below the local median — condos, smaller or older homes |
| $500k | 1250 sq ft | below the local median — condos, smaller or older homes |
| $600k | 1500 sq ft | around the typical home here |
| $750k | 1880 sq ft | around the typical home here |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Montana.
Estimate a specific home in Lake County
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Lake County home prices: frequently asked
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Browse all Montana cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.