ZIP code 57640: Lodgepole, SD
57640 is a ZIP code in Lodgepole, South Dakota, mainly in Perkins County. About 41 people live here.
- Population
- 41
- Median household income
- $250,001
- Typical home value
- $337,500ACS median value
- Median rent
- —gross, per month
- Median age
- 55.1
- Homeowners
- 83.3%of occupied homes
Shaded: ZIP code 57640's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57640 details
| City | Lodgepole |
|---|---|
| State | South Dakota |
| County | Perkins County |
| Metro area | Not in a metro or micro area |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 255.1 sq mi, plus 0.5 sq mi of water |
| Population density | 0 people per sq mi |
| Bachelor's degree or higher | 48.8% of adults 25+ |
| Center coordinates | 45.76883, -102.70453 |
ZIP codes near 57640
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57650 | Ralph, SD | 16.5 mi | 17 |
| 57649 | Prairie City, SD | 20.6 mi | 273 |
| 58639 | Hettinger, ND | 20.7 mi | 1,762 |
| 57638 | Lemmon, SD | 23.8 mi | 1,852 |
| 57651 | Reva, SD | 25.7 mi | 191 |
| 58649 | Reeder, ND | 27.3 mi | 354 |
| 57620 | Bison, SD | 28.2 mi | 564 |
| 58653 | Scranton, ND | 30.2 mi | 700 |
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
Buying a home in 57640?
A typical home in ZIP code 57640 is worth about $337,500 (ACS median value). The median household here earns $250,001 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $337,500 homeWhat can a $250,001 income afford?Rental property numbers
About ZIP code 57640
What city is ZIP code 57640?
ZIP code 57640 is in Lodgepole, SD, in Perkins County.
What county is ZIP code 57640 in?
57640 is mainly in Perkins County, South Dakota.
What is the population of ZIP code 57640?
About 41 people live in ZIP code 57640, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57640 in?
57640 is in Mountain Time (UTC−7). It observes daylight saving time.