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ZIP Code 57440
Frankfort, SD, Spink County
Population
466
Land area
141.9sq mi
People per sq mi
3
City
Frankfort
ZIP 57440 and nearby ZIP codes
ZIP 57440 at a glance
- ZIP 57440 (Frankfort) is 73% less dense than South Dakota as a whole.
Local data for ZIP 57440
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
4
ZIP Business Patterns 2023
Employees
9
$429K annual payroll
PPP loans
$1.5M
78 loans
Campaign donations
$500
Itemized, 2026 cycle
Environment and hazard risk
ZIP 57440, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hail
Storm events since 1996
732
Countywide, mostly hail
Flood insurance policies
14
0.3% of homes, county
July high / Jan low
84° / 3°F
22.8 inches of rain a year
Health statistics
Share of adults in ZIP 57440, CDC PLACES estimates
Obesity
36.1%
U.S. 33.3% +2.8 pts
Diabetes
11.6%
U.S. 12.1% -0.5 pts
Smoking
16.2%
U.S. 12.8% +3.4 pts
Uninsured (18-64)
8.4%
U.S. 11.1% -2.7 pts
Frequently asked questions
- What city is ZIP code 57440?
- ZIP code 57440 is in Frankfort, SD (Spink County).
- What county is ZIP code 57440 in?
- ZIP code 57440 is mostly in Spink County, South Dakota.
- How many people live in ZIP code 57440?
- About 466 people live in the 57440 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.