Quinn, SD · standard
ZIP Code 57775
Pennington County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 230
- 0/sq mi
- $77,750
- Median income
- $87,700
- Median home value
- 38.5%
- Bachelor's or higher
National ZIP placement
Quinn pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- Top 41%
- household income, US ZIPs
- 6th pct
- home value, 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 57775 against every reporting US ZIP.
ZIP code 57775 is a sparsely populated ZIP (a standard USPS delivery area) in Quinn, Pennington County, South Dakota, home to just 230 residents across 766.7 square miles, a density of 0 people per square mile, in the Denver time zone.
ZIP 57775 lands in the middle-income range, with a median household income of $77,750 (2% above the average South Dakota ZIP), while per-capita income is $35,092. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.5% and unemployment is 0.0%. Home values sit below the statewide ZIP benchmark: the median is $87,700 (54% below the average South Dakota ZIP); owner occupancy is 88.9%.
A solid share of residents have a four-year degree: 38.5% of adults hold a bachelor's degree or higher, the median age is 34.1, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the South Dakota and national benchmarks above are the appropriate context for 57775.
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 57775, Quinn, 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
230
Population
766.7
Area (sq mi)
0
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 57775?
34.1
Median Age
57.6%
Male
42.4%
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?
$77,750
Median Household Income
+2% vs state ZIP avg
$35,092
Per Capita Income
0.5%
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
96housing units
96
Total Housing Units
63
Occupied Units
33
Vacant Units
3.03
Avg Household Size
Occupancy Type
$87,700
Median Home Value
-54% vs state ZIP avg
1956
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57775, 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.