US ZIP Code
57779

Saint Onge, SD

Lawrence County  ·  South Dakota

● Active
👥 300 Population ↑ 12% since 2019
🎂 53.7 Median Age ↓ 23% since 2019
🏠 $240,500 Median Home Value
▼ 14% below avg
🎓 70.0% College Grads
▲ 81% above avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57779
CitySaint Onge
StateSouth Dakota (SD)
CountyLawrence County
Area Code605
Elevation3,481 ft
Latitude44.568767
Longitude-103.760725
TimezoneChicago (DST)
FIPS46081
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 39.3% (118) Female 60.7% (182) ♀

Race & Ethnicity

White: 87.3%Other: 12.7%Race
White87.3%
Other12.7%

Age Breakdown

18–24
9%
25–44
8%
45–64
78%

Key Indicators

Median Age53.7 yrs ↓ 23% since 2019
Avg Household Size1.76
Below Poverty0.0% ▼ 100% below avg
College Grads70.0% ▲ 81% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate37 (13.6%)
Associates45 (16.5%)
Graduate Degree191 (70%)

Education

HS Grad: 13.6%Associates: 16.5%Graduate: 70%Edu
HS Grad13.6%
Associates16.5%
Graduate70.0%
Housing & Income

Housing Tenure

Owner: 100%Tenure
Owner100.0%

Home Value Distribution

$150k–200k
32%
$200k–300k
22%
$300k–500k
46%

Financials

Median Home Value$240,500 ▼ 14% below avg
Total Units215
Vacant Units45
Avg HH Size1.76

Income Distribution

$25k–50k
27%
$50k–75k
22%
$100k–150k
12%
Over $200k
39%
Employment & Commute

How People Get to Work

Drove Alone
100%

Commute Time

15–30 min
32%
30–45 min
53%
Over 45 min
16%
Housing Stock

Year Built

1960s–1970s
5%
1980s–1990s
17%
2000+
78%

Summary

Total Units215
Vacant45
Owner Occupied100.0%
Renter Occupied0.0%
Avg HH Size1.76
Frequently Asked Questions
ZIP code 57779 is in Saint Onge, SD, in Lawrence County.
ZIP code 57779 is located in South Dakota (SD).
ZIP code 57779 is in Lawrence County, SD.
ZIP 57779 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57779 is 300 people (ACS 2023).
Income data not available.
The median home value in ZIP 57779 is $240,500 (ACS 2023).
About ZIP Code 57779

ZIP code 57779 is located in Saint Onge, South Dakota, within Lawrence County. With a population of 300, this is a sparsely populated ZIP code with a mature community — the median age is 53.7 years.

Real estate in ZIP code 57779 represents an affordable housing market. The median home value of $240,500 is near the national average.

The population of 57779 is primarily White (87.33%). Residents are highly educated — 70.0% hold a bachelor's degree or higher, which is significantly above the national average.

Overall, ZIP code 57779 in Saint Onge, SD is characterized as highly educated, a mature community, and predominantly owner-occupied.