US ZIP Code
57457

Long Lake, SD

McPherson County  ·  South Dakota

● Active
👥 91 Population
💰 $112,750 Median HH Income
▲ 48% above avg ↑ 64% since 2019
🎂 43.8 Median Age ↓ 2% since 2019
🏠 $47,200 Median Home Value
▼ 83% below avg
🎓 44.6% College Grads
▲ 15% above avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57457
CityLong Lake
StateSouth Dakota (SD)
CountyMcPherson County
Area Code605
Elevation1,983 ft
Latitude45.877277
Longitude-99.154299
TimezoneChicago (DST)
FIPS46089
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 64.8% (59) Female 35.2% (32) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

5–17
29%
25–44
24%
45–64
19%
65+
18%

Key Indicators

Median Age43.8 yrs ↓ 2% since 2019
Avg Household Size2.22
Below Poverty2.2% ▼ 78% below avg
College Grads44.6% ▲ 15% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate14 (21.5%)
Associates22 (33.8%)
Bachelors17 (26.2%)
Graduate Degree12 (18.5%)

Education

HS Grad: 21.5%Associates: 33.8%Bachelors: 26.2%Graduate: 18.5%Edu
HS Grad21.5%
Associates33.8%
Bachelors26.2%
Graduate18.5%
Housing & Income

Housing Tenure

Owner: 75.6%Renter: 24.4%Tenure
Owner75.6%
Renter24.4%

Home Value Distribution

Under $50k
58%
$50k–100k
16%
$100k–150k
10%
Over $500k
16%

Financials

Median HH Income$112,750 ▲ 48% above avg ↑ 64% since 2019
Median Home Value$47,200 ▼ 83% below avg
Home/Income Ratio0.4x (nat avg ~3.5x)
Total Units109
Vacant Units68
Avg HH Size2.22

Income Distribution

Under $25k
17%
$25k–50k
5%
$50k–75k
24%
$75k–100k
2%
$100k–150k
34%
$150k–200k
7%
Over $200k
10%
Employment & Commute

How People Get to Work

Drove Alone
71%
Walked
29%

Commute Time

Under 15 min
42%
15–30 min
38%
30–45 min
20%
Housing Stock

Year Built

Before 1940
18%
1940s–1950s
17%
1960s–1970s
13%
2000+
52%

Summary

Total Units109
Vacant68
Owner Occupied75.6%
Renter Occupied24.4%
Avg HH Size2.22
Frequently Asked Questions
ZIP code 57457 is in Long Lake, SD, in McPherson County.
ZIP code 57457 is located in South Dakota (SD).
ZIP code 57457 is in McPherson County, SD.
ZIP 57457 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57457 is 91 people (ACS 2023).
The median household income in ZIP code 57457 is $112,750 (ACS 2023).
The median home value in ZIP 57457 is $47,200 (ACS 2023).
About ZIP Code 57457

ZIP code 57457 is located in Long Lake, South Dakota, within McPherson County. With a population of 91, this is a sparsely populated ZIP code with a middle-aged community — the median age is 43.8 years. Economically, 57457 is a upper-middle-income ZIP code: the median household income of $112,750 is above the national average.

Real estate in ZIP code 57457 represents one of the more affordable housing markets in the country. The median home value of $47,200 is well below the national average. Homeownership is strong here — 75.6% of occupied units are owner-occupied, suggesting an established, stable residential community.

The population of 57457 is primarily White (100.00%). Residents are well-educated — 44.6% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 2.2%. Household income has grown by 64% since 2019.

Overall, ZIP code 57457 in Long Lake, SD is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 91 residents, a median household income of $112,750, and a median home value of $47,200, it offers a clear picture of life in this part of South Dakota.