Saint Onge, SD · standard
ZIP Code 57779
Lawrence County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 333
- 3/sq mi Low-density area
- $286,400
- Median home value Near-median home value
- 67.4%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Saint Onge pairs above-median home values, in a rural, homeowner-dominated area.
- Top 36%
- home value, US ZIPs
- 3
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57779 against every reporting US ZIP.
ZIP code 57779 is a sparsely populated ZIP (a standard USPS delivery area) in Saint Onge, Lawrence County, South Dakota, home to just 333 residents across 104.1 square miles, a density of 3 people per square mile, in the Denver time zone.
Median household income is not on file for ZIP 57779, but per-capita income is $80,507. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. Housing is both higher-cost and owner-heavy: median home value is $286,400 (49% above the average South Dakota ZIP), while 100.0% of occupied homes are owner-occupied.
This is a highly-educated ZIP: 67.4% of adults hold a bachelor's degree or higher, the median age is 53.3, and the average commute is -. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Lawrence County, so 57779 can be compared with both its immediate and county-level context.
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 57779, Saint Onge, 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
333
Population
104.1
Area (sq mi)
3
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 57779?
53.3
Median Age
42.1%
Male
57.9%
Female
0.0%
Foreign-Born
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?
$80,507
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
219housing units
219
Total Housing Units
174
Occupied Units
45
Vacant Units
1.99
Avg Household Size
Occupancy Type
$286,400
Median Home Value
+49% vs state ZIP avg
1957
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 12 business establishments in ZIP 57779, employing approximately 220 people with a combined annual payroll of $11,575,000.
12
Businesses
220
Employees
$11.6M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 4 | 33.3% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 57779 vs 57799 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 57799 | Spearfish, SD | 660 | 7.2 mi |
More ZIP Codes in Lawrence County
Related Areas
Frequently Asked Questions
What county is ZIP code 57779 in?
ZIP code 57779 (Saint Onge) is located in Lawrence County, South Dakota. Lawrence County contains multiple ZIP codes, see the full list at /counties/lawrence-sd.
What is the population of ZIP code 57779?
ZIP code 57779 in Saint Onge, SD has a population of 333 according to the Census Bureau ACS 2023 estimates.
What is the average home value in ZIP 57779?
The median home value in ZIP 57779 is $286,400, which is 3% above the national average of $278,155.
What is the demographic makeup of ZIP 57779?
The largest racial group in ZIP 57779 is White at 84.7%.
How many businesses are in ZIP code 57779?
ZIP code 57779 has 12 business establishments employing approximately 220 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57779?
In ZIP code 57779, 77.1% of residents aged 25+ have a high school diploma or higher, and 67.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
Related
Take this with you
What to do with ZIP 57779's numbers, next.
- See how ZIP 57779 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Saint Onge, 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.