Checked
ZIP Code 57430
Britton, SD, Marshall County
Population
1,828
Land area
346.7sq mi
People per sq mi
5
City
Britton
ZIP 57430 and nearby ZIP codes
ZIP 57430 at a glance
- ZIP 57430 (Britton) is 56% less dense than South Dakota as a whole.
- Households here earn a median of $70,484 a year, 6% less than the South Dakota figure of $75,081.
- A typical owner-occupied home is valued at $149,200 (42% below South Dakota) and median rent is $820 a month.
Local data for ZIP 57430
Counts from official public data
Housing and community stats
ZIP 57430, American Community Survey 2020-2024
Median household income
$70,484
Poverty rate
8.7%
Median home value
$149,200
Median rent
$820/mo
Homeownership
77.9%
Bachelor's or higher
23.2%
Median age
45.0
Average commute
10.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
96
ZIP Business Patterns 2023
Employees
1,037
$53.7M annual payroll
PPP loans
$9.8M
311 loans
Campaign donations
$11.4K
45% D, 11% R, 2026 cycle
Environment and hazard risk
ZIP 57430, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: winter weather
Storm events since 1996
576
Countywide, mostly hail
July high / Jan low
83° / 0°F
24.3 inches of rain a year
Health statistics
Share of adults in ZIP 57430, CDC PLACES estimates
Obesity
34.9%
U.S. 33.3% +1.6 pts
Diabetes
11.8%
U.S. 12.1% about the same
Smoking
14.9%
U.S. 12.8% +2.1 pts
Uninsured (18-64)
8.1%
U.S. 11.1% -3.0 pts
Frequently asked questions
- What city is ZIP code 57430?
- ZIP code 57430 is in Britton, SD (Marshall County).
- What county is ZIP code 57430 in?
- ZIP code 57430 is mostly in Marshall County, South Dakota.
- How many people live in ZIP code 57430?
- About 1,828 people live in the 57430 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.