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Madison County, MT
13 cities and towns and 14 ZIP codes in Madison County, Montana.
Population
9,223
Land area
3,588sq mi
People per sq mi
3
ZIP codes
14
Cities and towns in Madison County
Madison County at a glance
- Madison County is 67% less dense than Montana as a whole.
- Households here earn a median of $75,250 a year, 4% more than the Montana figure of $72,509.
- A typical owner-occupied home is valued at $470,100 (25% above Montana) and median rent is $1,000 a month.
- The biggest population centers are Sheridan (869), Ennis (777) and McAllister (202).
Local data for Madison County, MT
Counts from official public data
Housing and community stats
Madison County, MT, American Community Survey 2020-2024
Median household income
$75,250
Poverty rate
6.2%
Median home value
$470,100
Prices -6.4% in a year
Median rent
$1,000/mo
Homeownership
81.0%
Bachelor's or higher
32.6%
Median age
52.2
Average commute
25.8 min
Largest reported origins and ancestries: German Americans (2,749), Irish Americans (1,673), Norwegian Americans (572).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.8%
Aug 2026, +0.7 pts in a year
Average annual pay
$59,742
2,981 jobs, 2025
Income per person
$78,911
BEA, 2024
Federal spending
$86.87M
FY 2026, $10,074 per person
PPP loans
$36.73M
641 loans, 4,983 jobs reported
Campaign donations
$383K
Itemized, 2026 cycle
How people get to work
Madison County, MT, workers 16 and older. American Community Survey 5-year estimates
- Drove alone61.7%
- Carpooled10.7%
- Public transit0.0%
- Walked5.2%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.9%
- Worked from home20.5%
Average one-way commute: 25.8 minutes for people who do not work from home.
Environment and hazard risk
Madison County, MT, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: avalanche
Storm events since 1996
333
Most often high wind
Flood insurance policies
46
0.6% of homes, county
July high / Jan low
83° / 15°F
15.7 inches of rain a year
Hazards, floods and storm historyCheck a flood zone11 historic places
Health statistics
Share of adults in Madison County, MT, CDC PLACES estimates
Obesity
28.7%
U.S. 33.3% -4.6 pts
Diabetes
10.6%
U.S. 12.1% -1.5 pts
Smoking
12.2%
U.S. 12.8% -0.6 pts
Uninsured (18-64)
8.7%
U.S. 11.1% -2.4 pts
Cities, towns and ZIP codes in Madison County
Population shown
Frequently asked questions
- What is the largest city in Madison County, MT?
- Sheridan is the largest city or town in Madison County, with about 869 residents.
- How many ZIP codes are in Madison County?
- Madison County includes 14 ZIP Code Tabulation Areas, including 59710, 59716, 59720, 59721, 59729.
- What is the population of Madison County, MT?
- About 9,223 people live in Madison County, based on American Community Survey 5-year estimates.
- What counties border Madison County?
- Madison County borders Gallatin County, Silver Bow County, Fremont County, ID, Jefferson County, Beaverhead County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023