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Marshall County, SD
10 cities and towns and 6 ZIP codes in Marshall County, South Dakota.
Population
4,344
Land area
838sq mi
People per sq mi
5
ZIP codes
6
Cities and towns in Marshall County
Marshall County at a glance
- Marshall County is 57% less dense than South Dakota as a whole.
- The median household income is $78,156, 4% above the South Dakota median of $75,081.
- A typical owner-occupied home is valued at $156,500 (39% below South Dakota) and median rent is $752 a month.
- Its largest cities are Britton (988), Langford (481) and Veblen (455).
Local data for Marshall County, SD
Counts from official public data
Housing and community stats
Marshall County, SD, American Community Survey 2020-2024
Median household income
$78,156
Poverty rate
6.1%
Median home value
$156,500
Prices +14.9% in a year
Median rent
$752/mo
Homeownership
80.3%
Bachelor's or higher
25.4%
Median age
42.5
Average commute
16.0 min
Largest reported origins and ancestries: German Americans (2,011), Norwegian Americans (1,089), Mexican Americans (244).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
1.5%
Sep 2026, -0.3 pts in a year
Average annual pay
$55,196
1,675 jobs, 2025
Income per person
$81,293
BEA, 2024
Federal spending
$56M
FY 2026, $13,014 per person
PPP loans
$16.2M
673 loans, 1,824 jobs reported
Campaign donations
$15.9K
Itemized, 2026 cycle
How people get to work
Marshall County, SD, workers 16 and older. American Community Survey 5-year estimates
- Drove alone80.5%
- Carpooled8.3%
- Public transit0.0%
- Walked4.8%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.4%
- Worked from home4.9%
Average one-way commute: 16.0 minutes for people who do not work from home.
Environment and hazard risk
Marshall County, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: winter weather
Storm events since 1996
576
Most often hail
July high / Jan low
83° / 0°F
24.3 inches of rain a year
Toxic release facilities
1
No Superfund sites
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Marshall County, SD, CDC PLACES estimates
Obesity
35.9%
U.S. 33.3% +2.6 pts
Diabetes
12.7%
U.S. 12.1% +0.6 pts
Smoking
15.2%
U.S. 12.8% +2.4 pts
Uninsured (18-64)
9.2%
U.S. 11.1% -1.9 pts
Cities, towns and ZIP codes in Marshall County
Population shown
Frequently asked questions
- What is the largest city in Marshall County, SD?
- Britton is the largest city or town in Marshall County, with about 988 residents.
- How many ZIP codes are in Marshall County?
- Marshall County includes 6 ZIP Code Tabulation Areas, including 57232, 57247, 57270, 57421, 57430.
- What is the population of Marshall County, SD?
- About 4,344 people live in Marshall County, based on American Community Survey 5-year estimates.
- What counties border Marshall County?
- Marshall County borders Brown County, Roberts County, Day County, Sargent County, ND.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023