US ZIP Code
57775

Quinn, SD

Pennington County  ·  South Dakota

● Active
👥 396 Population ↑ 11% since 2019
💰 $95,341 Median HH Income
▲ 25% above avg ↑ 17% since 2019
🎂 32.3 Median Age ↓ 17% since 2019
🏠 $179,200 Median Home Value
▼ 36% below avg
🎓 33.5% College Grads
▼ 14% below avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57775
CityQuinn
StateSouth Dakota (SD)
CountyPennington County
Area Code605
Elevation2,795 ft
Latitude44.093016
Longitude-102.001651
TimezoneChicago (DST)
FIPS46103
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 53.0% (210) Female 47.0% (186) ♀

Race & Ethnicity

White: 93.2%Hispanic: 1.5%Other: 4.6%Race
White93.2%
Hispanic1.5%
Other4.6%

Age Breakdown

Under 5
24%
5–17
12%
18–24
3%
25–44
30%
45–64
19%
65+
6%

Key Indicators

Median Age32.3 yrs ↓ 17% since 2019
Avg Household Size4.08
Below Poverty0.3% ▼ 98% below avg
College Grads33.5% ▼ 14% below avg
Unemployment0.0% ▼ 100% below avg
No HS Diploma5 (2.3%)
HS Graduate44 (19.9%)
Some College70 (31.7%)
Associates28 (12.7%)
Bachelors20 (9%)
Graduate Degree54 (24.4%)

Education

No HS: 2.3%HS Grad: 19.9%Some College: 31.7%Associates: 12.7%Bachelors: 9%Graduate: 24.4%Edu
No HS2.3%
HS Grad19.9%
Some College31.7%
Associates12.7%
Bachelors9.0%
Graduate24.4%
Housing & Income

Housing Tenure

Owner: 80.4%Renter: 19.6%Tenure
Owner80.4%
Renter19.6%

Home Value Distribution

Under $50k
6%
$50k–100k
33%
$100k–150k
8%
$150k–200k
15%
$200k–300k
17%
$300k–500k
3%
Over $500k
18%

Financials

Median HH Income$95,341 ▲ 25% above avg ↑ 17% since 2019
Median Home Value$179,200 ▼ 36% below avg
Home/Income Ratio1.9x (nat avg ~3.5x)
Total Units133
Vacant Units36
Avg HH Size4.08

Income Distribution

Under $25k
1%
$25k–50k
11%
$50k–75k
30%
$75k–100k
17%
$100k–150k
4%
$150k–200k
21%
Over $200k
16%
Employment & Commute

How People Get to Work

Drove Alone
89%
Walked
2%
Work From Home
9%

Commute Time

Under 15 min
58%
15–30 min
26%
30–45 min
8%
Over 45 min
7%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
16%
1960s–1970s
13%
1980s–1990s
2%
2000+
64%

Summary

Total Units133
Vacant36
Owner Occupied80.4%
Renter Occupied19.6%
Avg HH Size4.08
Frequently Asked Questions
ZIP code 57775 is in Quinn, SD, in Pennington County.
ZIP code 57775 is located in South Dakota (SD).
ZIP code 57775 is in Pennington County, SD.
ZIP 57775 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57775 is 396 people (ACS 2023).
The median household income in ZIP code 57775 is $95,341 (ACS 2023).
The median home value in ZIP 57775 is $179,200 (ACS 2023).
About ZIP Code 57775

ZIP code 57775 is located in Quinn, South Dakota, within Pennington County. With a population of 396, this is a sparsely populated ZIP code with a relatively young community — the median age is 32.3 years. Economically, 57775 is a middle-income ZIP code: the median household income of $95,341 is above the national average.

Real estate in ZIP code 57775 represents an affordable housing market. The median home value of $179,200 is below the national average. Homeownership is strong here — 80.4% of occupied units are owner-occupied, suggesting an established, stable residential community.

The population of 57775 is primarily White (93.18%). Residents are moderately educated — 33.5% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 0.3%. Household income has grown by 17% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 80%.

Overall, ZIP code 57775 in Quinn, SD is characterized as middle-income, moderately educated, a relatively young community, and predominantly owner-occupied. With 396 residents, a median household income of $95,341, and a median home value of $179,200, it offers a clear picture of life in this part of South Dakota.