PlainZIP

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
$140,417
Median income
20.5%
Bachelor's or higher

The verdict

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.

ZIP 57457 skews affluent, with a median household income of $140,417 (83% above the South Dakota average), while per-capita income is $88,336. Local economic indicators show a 0.9% poverty rate alongside 0.0% unemployment. On housing, the median home value is - with median rent at - per month, and 88.7% of occupied units are owner-occupied.

Educational attainment sits below the national norm: 20.5% of adults hold a bachelor's degree or higher, the median age is 63.1, and the average commute is -. We also surface 1 nearby ZIP codes within roughly 10 miles and 3 additional ZIPs sharing McPherson County, so you can benchmark 57457 against its immediate geography rather than a national average alone.

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57457?

63.1

Median Age

62.0%

Male

38.0%

Female

0.0%

Foreign-Born

White 100.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$140,417

Median Household Income

+83% vs state

$88,336

Per Capita Income

0.9%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 57457 ranks nationally

Long Lake, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$140,417 Top 5% higher than 95% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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 is the education profile here?

High School Graduate or Higher 28.4%
Bachelor's Degree or Higher 20.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

105

Total Housing Units

53

Occupied Units

52

Vacant Units

2.04

Avg Household Size

Occupancy Type

Owner 88.7%
Renter 11.3%

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

More ZIP Codes in McPherson County

57437 standard
Eureka, SD
Pop: 1,286
57456 standard
Leola, SD
Pop: 862
58439 standard
Forbes, ND
Pop: 310

Related Areas

McPherson County Long Lake, SD South Dakota

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.
What is the median household income in ZIP 57457? ▼
The median household income in ZIP 57457 is $140,417, which is 84% above the national average of $76,288.
What is the demographic makeup of ZIP 57457? ▼
The largest racial group in ZIP 57457 is White at 100.0%.
What is the education level in ZIP code 57457? ▼
In ZIP code 57457, 28.4% of residents aged 25+ have a high school diploma or higher, and 20.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57457? ▼
In ZIP code 57457, approximately 88.7% of occupied housing units are owner-occupied and 11.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57457? ▼
The poverty rate in ZIP code 57457 is 0.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.