Long Lake, SD · standard
ZIP Code 57457
McPherson County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 90
- 0/sq mi Low-density area
- $140,417
- Median income Above-median income area
- 20.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Long Lake pairs a top-decile household income, in a rural, homeowner-dominated area.
- Top 5%
- household income, US ZIPs
- 0
- people per sq mi
- 89%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57457 against every reporting US ZIP.
ZIP code 57457 is a sparsely populated ZIP (a standard USPS delivery area) in Long Lake, McPherson County, South Dakota, home to just 90 residents across 300.0 square miles, a density of 0 people per square mile, in the Chicago time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them. Median household income is $140,417.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57457, Long Lake, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
90
Population
300.0
Area (sq mi)
0
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57457?
63.1
Median Age
62.0%
Male
38.0%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$140,417
Median Household Income
+83% vs state ZIP avg
$88,336
Per Capita Income
0.9%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 57457 ranks among South Dakota ZIPs
Long Lake, SD household income vs. every South Dakota ZIP code
Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$140,417 Top 2% higher than 98% of 337 South Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more South Dakota ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
105housing units
105
Total Housing Units
53
Occupied Units
52
Vacant Units
2.04
Avg Household Size
Occupancy Type
1964
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 57457 vs 58413 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 58413 | Ashley, ND | 1,150 | 12.4 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57457, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
Related Areas
Frequently Asked Questions
What county is ZIP code 57457 in?
ZIP code 57457 (Long Lake) is located in McPherson County, South Dakota. McPherson County contains multiple ZIP codes, see the full list at /counties/mcpherson-sd.
What is the population of ZIP code 57457?
ZIP code 57457 in Long Lake, SD has a population of 90 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 57457's numbers, next.
- See how ZIP 57457 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Long Lake, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.