57569 ZIP Code — Reliance, SD

Lyman County, South Dakota

ZIP code 57569 is located in Reliance, South Dakota, within Lyman County. It covers approximately 357.48 square miles and serves a population of 252 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57569

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $81,500. Owner-occupancy is high at 78%, well above the national average.

Median household income is $55,556. Poverty affects 21% of residents, above the national average. 52% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

Educational attainment is near the national average, with 45% of residents holding a bachelor's degree or higher.

Overall, ZIP code 57569 reflects a community defined by economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.

252
population
357.48
sq mi land
Standard
ZIP type
Central (CT)
timezone
57569 ZIP code map
Cities in ZIP code 57569

Below are the cities the US Postal Service accepts for ZIP code 57569. Using any city not on this list may result in mail delivery delays.

City Status
Reliance Acceptable
Reliance Preferred
Nearby ZIP codes
57365 Oacoma (8.4 mi) 57326 Chamberlain (12.3 mi) 57544 Kennebec (13.4 mi) 57534 Hamill (14.6 mi) 57325 Chamberlain (16.6 mi)
Demographics updated 05/2026
Population
Total population 252
Population density 1 / sq mi
State FIPS 46
County FIPS 085
Geography
Land area 357.48 sq mi
Water area 9.51 sq mi
Latitude 43.7917
Longitude -99.5749
Timezone Central (CT)
Area code 605
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 46.3% 43.2% 41.7%
$50k – $100k 45.4% 40.1% 33.8%
$100k – $200k 7.4% 14.7% 20.1%
Over $200k 0.9% 2.0% 4.4%

Demographics & statistics

252
Population
1
People per sq mi
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

Income range This ZIP County avg State avg
Under $50k 46.3% 43.2% 41.7%
$50k – $100k 45.4% 40.1% 33.8%
$100k – $200k 7.4% 14.7% 20.1%
Over $200k 0.9% 2.0% 4.4%
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%
Work from home13.0%
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%
Obesity34.6%
High blood pressure34.9%
High cholesterol33.7%
Diabetes10.9%
Heart disease8.2%
Stroke3.7%
Asthma8.8%
Arthritis27.2%
Kidney disease3.4%
Pulmonary disease6.8%
Cancer8.6%
Behavior / access%
Smoking18.4%
Binge drinking18.0%
No physical activity23.3%
Less than 7 hrs sleep27.5%
Depression14.4%
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%
No insurance3.6%
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 about ZIP code 57569

What city is ZIP code 57569 in?

ZIP code 57569 is primarily assigned to Reliance, South Dakota.

What county is ZIP code 57569 in?

ZIP code 57569 falls within Lyman County, South Dakota.

Does ZIP code 57569 have an older population?

34% of residents in ZIP code 57569 are 65 or older, above the national average of ~17%.

Does ZIP code 57569 have a large retiree population?

52% of households in ZIP code 57569 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 57569?

21% of residents in ZIP code 57569 live below the poverty line, above the national average.

What is the typical home value in ZIP code 57569?

The median home value in ZIP code 57569 is $81,500.

What timezone is ZIP code 57569 in?

ZIP code 57569 observes the CST timezone.

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