Quinn ZIP Codes — Pennington County, SD

There is one unique ZIP code in Quinn, South Dakota and it is 57775. Area code: 605.
1
ZIP codes
291.33
sq mi land
1.46
sq mi water
605
area code
Quinn, SD ZIP code map

About Quinn, SD

Quinn is a small town located in the state of South Dakota, nestled within the boundaries of Pennington County. This quiet community offers a unique blend of rural charm and scenic beauty, making it an intriguing spot for both residents and visitors alike. Known for its expansive landscapes and friendly atmosphere, Quinn embodies the spirit of small-town life in South Dakota.

Location & geography

Quinn is situated approximately 30 miles east of the bustling city of Rapid City, and about 70 miles west of Pierre, the state capital. The town encompasses a total land area of 291.33 square miles, complemented by 1.46 square miles of water, highlighting the area’s vast open spaces and natural beauty. The region features a mix of rugged terrain and flat plains, providing ample opportunities for outdoor activities.

Community & economy

The character of Quinn is marked by a close-knit community where residents often know each other by name, fostering a warm and inviting atmosphere. Local industries primarily revolve around agriculture and ranching, which are vital to the town's economy and way of life. Daily life in Quinn reflects a simpler pace, with community events often drawing neighbors together for socializing and sharing experiences.

Transportation

Quinn is conveniently accessible via Interstate 90, which runs nearby and connects the town to larger urban centers. The closest named airport is the Rapid City Regional Airport, located about 35 miles to the west, providing residents and visitors with air travel options. Public transit options are limited, so personal vehicles are typically used for transportation.

History

Originally established in the early 20th century, Quinn has a rich history tied to the agricultural expansion in South Dakota. The town developed as a result of the construction of the railroad, which played a significant role in bringing goods and people to the area. Over the years, Quinn has maintained its agricultural roots while also adapting to the changing economic landscape.

Did you know?

An interesting fact about Quinn is that it was named after a local railroad official, reflecting the town's historical connection to the rail system. Despite its small size, Quinn is known for its beautiful landscapes, making it an appealing destination for photographers and nature enthusiasts.

ZIP codes for Quinn, SD (1)
ZIP code City County Map
57775 Quinn Pennington View map

Demographics & statistics

358
Population
33.5
Median age
$88,333
Median household income
$34,829
Per capita income
$0
Median home value
$0
Median monthly rent
76.0%
Home ownership
0.3%
Poverty rate
0.0%
Unemployment
138
Housing units
25.0%
Bachelor's or higher

Age distribution

Male Female
37
Under 5
35
10
5–9
9
12
10–14
12
11
15–19
10
1
20–24
1
39
25–34
36
17
35–44
15
15
45–54
13
13
55–59
12
9
60–64
9
15
65–74
14
3
75–84
3
4
85+
3
← Male
Female →

Age summary

GroupCount%
Under 1812334.4%
18 and over23565.6%
65 and over4211.7%
Median age33.5 years

Race & ethnicity

White 90.4%
Two or more races 5.2%
Hispanic or Latino 1.9%
Other race 1.9%
American Indian / Alaska Native 0.5%
GroupCount%
White33090.4%
Two or more races195.2%
Hispanic or Latino71.9%
Other race71.9%
American Indian / Alaska Native20.5%

Household income

Under $10k 1.0%
$25k–$35k 2.0%
$35k–$50k 14.0%
$50k–$75k 30.0%
$75k–$100k 17.0%
$100k–$150k 12.0%
$150k–$200k 11.0%
$200k+ 13.0%
Range% of households
Under $10k1.0%
$25k–$35k2.0%
$35k–$50k14.0%
$50k–$75k30.0%
$75k–$100k17.0%
$100k–$150k12.0%
$150k–$200k11.0%
$200k+13.0%
Median income$88,333

Housing

Home values

Under $50k 9.2%
$50k–$100k 44.7%
$150k–$200k 14.5%
$200k–$300k 11.8%
$300k–$500k 3.9%
$500k–$1M 3.9%
$1M+ 11.8%

Housing overview

MetricValue
Median home value$0
Median rent / month$0
Owner occupied76.0%
Renter occupied24.0%
Vacant38.3%
Single-family detached85.8%
Large apartment buildings0.0%
Mobile homes14.2%
Median rooms6.6
Avg household size (owned)3.92

Year built

Era%
2020 or later0.0%
2010–20191.2%
2000–20091.9%
1990–19994.9%
1980–198913.6%
1970–197911.7%
1960–19694.9%
1950–195924.1%
1940–194912.3%
1939 or earlier25.3%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.2%
2 bedrooms37.0%
3 bedrooms31.5%
4 bedrooms25.9%
5+ bedrooms4.3%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle22.0%
2 vehicles33.0%
3 or more45.0%

Heating fuel

Fuel type%
Electricity29.0%
Propane / LP gas41.0%
Wood30.0%

Households & families

Household typeCount%
Married-couple family7777.0%
Cohabiting couple00.0%
Male householder, no spouse1919.0%
Female householder, no spouse44.0%
Households with children under 184747.0%
Households with seniors (65+)3030.0%
Average household size3.58

Marital status

StatusMaleFemale
Never married7.9%13.8%
Married78.7%82.8%
Separated0.0%0.0%
Widowed7.1%3.4%
Divorced6.3%0.0%

Education

Less than 9th grade 8.2%
Some HS, no diploma 1.4%
HS graduate 21.8%
Some college, no degree 36.4%
Associate's degree 7.3%
Bachelor's degree 25.0%
Graduate / professional 0.0%
Metric%
HS diploma or higher90.5%
Bachelor's or higher25.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten23.6%
Elementary school2748.2%
High school2137.5%
College / grad school610.7%

Employment

Industry of employment

Education & healthcare 31.5%
Wholesale trade 16.0%
Arts, food & hospitality 15.0%
Agriculture & mining 10.5%
Retail trade 8.0%
Manufacturing 6.0%
Professional & management 4.0%
Construction 3.0%
Finance & real estate 3.0%
Information 2.0%
Other services 1.0%

Occupation

Category%
Management, business & arts52.0%
Service12.5%
Sales & office22.0%
Natural resources & construction9.5%
Production & transportation4.0%

Employment type

Type%
Private sector71.0%
Government19.0%
Self-employed10.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone74.9%
Carpool4.8%
Public transit0.0%
Walk0.0%
Other means11.2%
Avg commute (minutes)12.7

Poverty

All people 0.3%
Under 18 years 0.0%
18 and over 0.4%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security29.0%
Retirement income20.0%
Supplemental Security3.0%
Cash public assistance0.0%
Food stamps / SNAP12.0%

Health indicators

Condition%
High blood pressure34.5%
High cholesterol34.4%
Heart disease7.6%
Stroke3.3%
Asthma8.9%
Arthritis26.4%
Kidney disease3.1%
Pulmonary disease6.6%
Cancer7.6%
Behavior / access%
Binge drinking18.6%
No physical activity22.9%
Less than 7 hrs sleep28.0%
Fair or poor health12.4%
Poor mental health10.5%
Poor physical health9.5%
No health insurance11.9%
Visited doctor (checkup)75.8%
Visited dentist65.9%
Cholesterol screening89.8%
Teeth loss13.6%

Veterans & disability

VeteransCount%
Civilian veterans177.2%
Disability%
Any disability3.9%
Under 180.0%
18–64 years4.1%
65 and over14.3%

Health insurance coverage

Type%
Private insurance78.2%
Public insurance15.6%
Uninsured under 1920.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only28679.9%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)358100.0%
Born in same state358100.0%
Born in different state24267.6%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian3610.1%
French349.5%
Arab215.9%
AncestryCount%
Polish154.2%
Dutch41.1%

Technology access

Metric% of households
Computer access27.9%
Internet access97.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Quinn, SD have?
Quinn, SD has one ZIP code: 57775. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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