57346 ZIP Code — Stephan, SD

Hyde County, South Dakota

ZIP code 57346 is located in Stephan, South Dakota, within Hyde County. It covers approximately 0.28 square miles and serves a population of 43 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

population

0.28

sq mi land

Standard

ZIP type

Central (CT)

timezone

57346 ZIP code map

Cities in ZIP code 57346

Below are the cities the US Postal Service accepts for ZIP code 57346. Using any city not on this list may result in mail delivery delays.

City	Status
Stephan	Acceptable

Demographics updated 05/2026

Population
Total population	43
Population density	154 / sq mi
State FIPS	46
County FIPS	069

Geography
Land area	0.28 sq mi
Water area	0.03 sq mi
Latitude	44.2371
Longitude	-99.4214
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	54.8%	38.6%	41.7%
$50k – $100k	45.2%	36.6%	33.8%
$100k – $200k	0.0%	22.1%	20.1%
Over $200k	0.0%	2.8%	4.4%

Demographics & statistics

Population

154

People per sq mi

59.9

Median age

$53,125

Median household income

$35,833

Per capita income

Median home value

$467

Median monthly rent

0.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

Housing units

78.4%

Bachelor's or higher

Age distribution

Male Female

15–19

25–34

55–59

60–64

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	43	100.0%
65 and over	0	0.0%
Median age	59.9 years

Race & ethnicity

Black or African American 46.5%

American Indian / Alaska Native 37.2%

White 16.3%

Group	Count	%
Black or African American	20	46.5%
American Indian / Alaska Native	16	37.2%
White	7	16.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.8%	38.6%	41.7%
$50k – $100k	45.2%	36.6%	33.8%
$100k – $200k	0.0%	22.1%	20.1%
Over $200k	0.0%	2.8%	4.4%

$35k–$50k 37.9%

$50k–$75k 48.3%

$75k–$100k 13.8%

Range	% of households
$35k–$50k	37.9%
$50k–$75k	48.3%
$75k–$100k	13.8%
Median income	$53,125

Housing

Home values

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$467
Owner occupied	0.0%
Renter occupied	100.0%
Vacant	12.1%
Single-family detached	42.4%
Large apartment buildings	0.0%
Mobile homes	48.5%
Median rooms	3.6
Avg household size (owned)	0.00

Year built

Era	%
2020 or later	0.0%
2010–2019	9.1%
2000–2009	54.5%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	36.4%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.1%
2 bedrooms	90.9%
3 bedrooms	0.0%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	24.1%
2 vehicles	75.9%
3 or more	0.0%

Heating fuel

Fuel type	%
Utility gas	13.8%
Electricity	58.6%
Propane / LP gas	27.6%

Households & families

Household type	Count	%
Married-couple family	8	27.6%
Cohabiting couple	0	0.0%
Male householder, no spouse	21	72.4%
Female householder, no spouse	0	0.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	0	0.0%
Average household size	1.48

Marital status

Status	Male	Female
Never married	77.1%	0.0%
Married	22.9%	100.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 21.6%

HS graduate 0.0%

Some college, no degree 0.0%

Associate's degree 0.0%

Bachelor's degree 29.7%

Graduate / professional 48.6%

Metric	%
HS diploma or higher	78.4%
Bachelor's or higher	78.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	20	100.0%

Employment

Industry of employment

Education & healthcare 82.9%

Arts, food & hospitality 17.1%

Occupation

Category	%
Management, business & arts	82.9%
Service	17.1%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	0.0%
Government	100.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.0%
Carpool	0.0%
Public transit	0.0%
Walk	20.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	5.1

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	13.8%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	36.6%
High blood pressure	25.3%
High cholesterol	22.1%
Diabetes	8.8%
Heart disease	4.9%
Stroke	2.6%
Asthma	9.9%
Arthritis	16.0%
Kidney disease	2.3%
Pulmonary disease	4.2%
Cancer	4.4%

Behavior / access	%
Smoking	23.8%
Binge drinking	24.4%
No physical activity	22.2%
Less than 7 hrs sleep	32.5%
Depression	15.4%
Fair or poor health	11.5%
Poor mental health	13.1%
Poor physical health	8.4%
No health insurance	12.2%
Visited doctor (checkup)	72.5%
Visited dentist	64.9%
Cholesterol screening	86.0%
Teeth loss	17.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	0.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	81.4%
Public insurance	18.6%
No insurance	18.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	43	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	43	100.0%
Born in same state	43	100.0%
Born in different state	8	18.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	4	9.3%

Technology access

Metric	% of households
Computer access	67.4%
Internet access	100.0%

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

Frequently asked questions about ZIP code 57346

What city is ZIP code 57346 in?

ZIP code 57346 is primarily assigned to Stephan, South Dakota.

What county is ZIP code 57346 in?

ZIP code 57346 falls within Hyde County, South Dakota.

How educated is the population of ZIP code 57346?

78% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the population of ZIP code 57346?

ZIP code 57346 has an estimated population of 43 residents, with a density of 156 people per square mile.

What is the median household income in ZIP code 57346?

The median household income in ZIP code 57346 is $53,125, below the national median of ~$75,000.

What timezone is ZIP code 57346 in?

ZIP code 57346 observes the CST timezone.