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Marysville CDP, MT

ZIP Code 59640 — Marysville CDP, MT Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
105
Median Income
$95,250
+27% vs US avg
Home Value
$275,000
-21% vs US avg
Median Rent
N/A
Median Age
61.4 yrs
+58% vs US avg
Area Code
Congress
Top Ancestry
EnglishScotch-IrishGerman
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Location
Coordinates
46.7326, -112.3048
Elevation
4,851 ft
Land Area
3.5 sq mi
Water Area
0.0 sq mi

At a glance

Population
105
Density
N/A
Median income
$95,250
+27% vs US avg
Home value
$275,000
-21% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 59640

RetirementRetirement-oriented community
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Sunrise, sunset & moon

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What to know about ZIP 59640

ZIP code 59640 covers Marysville, MT in Lewis and Clark County with a population of about 105.

At a glance, the area shows median age of 61.4 versus a U.S. median of about 38.9.

It sits in telephone area code 406; U.S. House district MT-2; the HELENA media market.

Local search focus: Retirement

Marysville, MT fits a retirement-oriented profile (high share of residents 65+ (45.7%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

Income and economy in Marysville, MT

Median household income in ZIP 59640 is about $95,250 — about 27% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 3.8%; unemployment rate near 0.0%; 42.3% of adults with a bachelor’s degree or higher (about 8.6 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Food services, Professional services, and Manufacturing; about 8.6% of workers reporting work-from-home (about 6.6 points below the U.S. share (15.2%)); a mean commute of about 53.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 59640

Median home value is about $275,000 — about 21% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 71.7% (about 6.3 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 59640 in Marysville, MT, a household would need roughly $76,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,767. That sits below the local median household income ($95,250), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Marysville CDP, MT as Relatively Low (composite score 71.2), which is elevated versus much of the country. The strongest component scores on US5 are wildfire (92.8) and flood (64.6). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Marysville CDP, MT show little to no average snow and around 16.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 6 for ZIP 59640 (Marysville CDP, MT) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport HLN (17.6 miles (28.3 km)) · Carroll College (15.5 miles (24.9 km)) · Grant-Kohrs Ranch National Historic Site (30.4 miles (49.0 km)) · VA: Malmstrom Air Force Base (12.3 miles (19.8 km))

Full lists and map pins are in the Infrastructure section below.