Reliance ZIP Codes — Lyman County, SD

There is one unique ZIP code in Reliance, South Dakota and it is 57569. Area code: 605.
1
ZIP codes
357.48
sq mi land
9.51
sq mi water
605
area code
Reliance, SD ZIP code map

About Reliance, SD

Reliance, South Dakota, is a small and quaint community located within Lyman County. Known for its rural charm, Reliance offers a peaceful way of life that attracts both residents and visitors alike. The city’s serene setting provides an ideal backdrop for those seeking an escape from the hustle and bustle of urban living.

Location & geography

Geographically, Reliance sits on the eastern side of Lyman County, situated among rolling hills and expansive farmland. The city is approximately 25 miles west of the larger town of Winner and about 30 miles northwest of the city of Chamberlain, making it a quiet retreat not far from urban amenities. The total land area of Reliance is 357.48 square miles, accompanied by a water area of 9.51 square miles, which contributes to its rural landscape.

Community & economy

The community in Reliance is characterized by its strong sense of togetherness and friendly atmosphere. Predominantly an agricultural hub, local industries are deeply rooted in farming and ranching, providing a unique insight into South Dakota's agricultural lifestyle. Daily life here tends to embrace outdoor activities, with residents often involved in local events and gatherings that celebrate their cultural heritage.

Transportation

Major highways facilitate access to Reliance, including Highway 34, which connects it to other regional destinations. The nearest named airport is located in Chamberlain, providing broader connectivity for those traveling in and out of the area. Public transit options are limited, given the rural nature of the community, but the roads are well-maintained for personal vehicles.

History

Reliance was founded in the early 20th century as part of the broader development efforts in Lyman County. Historically, the local economy has relied on agriculture, with farming and ranching becoming the key industries that shaped its growth and viability. Notable events in its history include community celebrations that highlight the agricultural heritage and bring residents together.

Did you know?

One little-known fact about Reliance is its close-knit community, which often comes together for local festivals celebrating harvests and seasonal changes. Despite its small size, Reliance offers a rich tapestry of rural South Dakota culture that is both welcoming and engaging.

ZIP codes for Reliance, SD (1)
ZIP code City County Map
57569 Reliance Lyman View map

Demographics & statistics

252
Population
30.5
Median age
$55,556
Median household income
$24,071
Per capita income
$81,500
Median home value
$0
Median monthly rent
78.3%
Home ownership
20.9%
Poverty rate
0.0%
Unemployment
92
Housing units
44.6%
Bachelor's or higher

Age distribution

Male Female
8
Under 5
7
10
5–9
9
7
10–14
6
7
15–19
6
13
20–24
13
21
25–34
21
3
35–44
2
7
45–54
6
3
55–59
3
7
60–64
7
26
65–74
25
12
75–84
11
6
85+
6
← Male
Female →

Age summary

GroupCount%
Under 185521.8%
18 and over19778.2%
65 and over8634.1%
Median age30.5 years

Race & ethnicity

White 80.2%
American Indian / Alaska Native 14.7%
Two or more races 5.2%
GroupCount%
White20280.2%
American Indian / Alaska Native3714.7%
Two or more races135.2%

Household income

Under $10k 15.1%
$10k–$15k 13.2%
$15k–$25k 1.9%
$25k–$35k 4.7%
$35k–$50k 4.7%
$50k–$75k 35.8%
$75k–$100k 18.9%
$100k–$150k 2.8%
$150k–$200k 2.8%
Range% of households
Under $10k15.1%
$10k–$15k13.2%
$15k–$25k1.9%
$25k–$35k4.7%
$35k–$50k4.7%
$50k–$75k35.8%
$75k–$100k18.9%
$100k–$150k2.8%
$150k–$200k2.8%
Median income$55,556

Housing

Home values

Under $50k 43.4%
$50k–$100k 22.9%
$100k–$150k 15.7%
$150k–$200k 3.6%
$200k–$300k 12.0%
$300k–$500k 2.4%

Housing overview

MetricValue
Median home value$81,500
Median rent / month$0
Owner occupied78.3%
Renter occupied21.7%
Vacant7.8%
Single-family detached83.5%
Large apartment buildings0.0%
Mobile homes9.6%
Median rooms5.4
Avg household size (owned)2.49

Year built

Era%
2020 or later0.0%
2010–20194.3%
2000–20095.2%
1990–19997.0%
1980–19897.0%
1970–197926.1%
1960–19698.7%
1950–19591.7%
1940–19497.0%
1939 or earlier33.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom9.6%
2 bedrooms37.4%
3 bedrooms13.0%
4 bedrooms34.8%
5+ bedrooms5.2%

Vehicles per household

Vehicles% of households
No vehicle7.5%
1 vehicle9.4%
2 vehicles52.8%
3 or more30.2%

Heating fuel

Fuel type%
Utility gas1.9%
Electricity36.8%
Propane / LP gas61.3%

Households & families

Household typeCount%
Married-couple family5350.0%
Cohabiting couple2321.7%
Male householder, no spouse98.5%
Female householder, no spouse2119.8%
Households with children under 181716.0%
Households with seniors (65+)5450.9%
Average household size2.38

Marital status

StatusMaleFemale
Never married45.0%34.3%
Married54.0%45.7%
Separated0.0%0.0%
Widowed1.0%11.4%
Divorced0.0%8.6%

Education

Less than 9th grade 5.4%
Some HS, no diploma 0.0%
HS graduate 31.9%
Some college, no degree 7.2%
Associate's degree 10.8%
Bachelor's degree 41.6%
Graduate / professional 3.0%
Metric%
HS diploma or higher94.6%
Bachelor's or higher44.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool58.2%
Kindergarten1219.7%
Elementary school2032.8%
High school813.1%
College / grad school1626.2%

Employment

Industry of employment

Education & healthcare 28.6%
Agriculture & mining 17.6%
Public administration 15.4%
Wholesale trade 11.0%
Professional & management 9.9%
Construction 7.7%
Retail trade 2.2%
Information 2.2%
Finance & real estate 2.2%
Other services 2.2%
Arts, food & hospitality 1.1%

Occupation

Category%
Management, business & arts64.8%
Service16.5%
Sales & office3.3%
Natural resources & construction11.0%
Production & transportation4.4%

Employment type

Type%
Private sector53.8%
Government31.9%
Self-employed12.1%
Unpaid family workers2.2%

Commute

Method%
Drive alone64.1%
Carpool8.7%
Public transit1.1%
Walk6.5%
Other means6.5%
Avg commute (minutes)23.7

Poverty

All people 20.9%
Under 18 years 10.5%
18 and over 22.8%
Married-couple families 30.2%
Female-led households 100.0%

Income support

Source% of households
Social Security51.9%
Retirement income28.3%
Supplemental Security3.8%
Cash public assistance1.9%
Food stamps / SNAP4.7%

Health indicators

Condition%
High blood pressure34.9%
High cholesterol33.7%
Heart disease8.2%
Stroke3.7%
Asthma8.8%
Arthritis27.2%
Kidney disease3.4%
Pulmonary disease6.8%
Cancer8.6%
Behavior / access%
Binge drinking18.0%
No physical activity23.3%
Less than 7 hrs sleep27.5%
Fair or poor health12.6%
Poor mental health10.0%
Poor physical health9.6%
No health insurance11.7%
Visited doctor (checkup)77.3%
Visited dentist67.7%
Cholesterol screening90.9%
Teeth loss13.3%

Veterans & disability

VeteransCount%
Civilian veterans105.1%
Disability%
Any disability14.3%
Under 180.0%
18–64 years9.1%
65 and over30.2%

Health insurance coverage

Type%
Private insurance84.1%
Public insurance40.2%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only23794.0%
Spanish31.3%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)252100.0%
Born in same state252100.0%
Born in different state22388.5%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
French2811.1%
Italian197.5%
English176.7%
AncestryCount%
Dutch176.7%
Arab124.8%
Polish93.6%

Technology access

Metric% of households
Computer access42.1%
Internet access80.2%

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

Frequently asked questions
What ZIP codes does Reliance, SD have?
Reliance, SD has one ZIP code: 57569. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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