ZIP code 57457: Long Lake, SD
57457 is a ZIP code in Long Lake, South Dakota, mainly in McPherson County. About 108 people live here.
- Population
- 108
- Median household income
- $140,417
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- 63.1
- Homeowners
- 88.7%of occupied homes
Shaded: ZIP code 57457's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57457 details
| City | Long Lake |
|---|---|
| State | South Dakota |
| County | McPherson County |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 147.8 sq mi, plus 4.9 sq mi of water |
| Population density | 1 people per sq mi |
| Bachelor's degree or higher | 20.5% of adults 25+ |
| Center coordinates | 45.87728, -99.15430 |
ZIP codes near 57457
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 58413 | Ashley, ND | 11.4 mi | 966 |
| 57456 | Leola, SD | 13.1 mi | 670 |
| 58439 | Forbes, ND | 16.8 mi | 385 |
| 57448 | Hosmer, SD | 22.7 mi | 404 |
| 57437 | Eureka, SD | 23.5 mi | 1,074 |
| 57481 | Westport, SD | 27.1 mi | 271 |
| 58456 | Kulm, ND | 27.6 mi | 703 |
| 58440 | Fredonia, ND | 27.7 mi | 205 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 57457
What city is ZIP code 57457?
ZIP code 57457 is in Long Lake, SD, in McPherson County.
What county is ZIP code 57457 in?
57457 is mainly in McPherson County, South Dakota.
What is the population of ZIP code 57457?
About 108 people live in ZIP code 57457, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57457 in?
57457 is in Central Time (UTC−6). It observes daylight saving time.