57273 ZIP Code — Waubay, SD

Day County, South Dakota

ZIP code 57273 is located in Waubay, South Dakota, within Day County. It covers approximately 175.01 square miles and serves a population of 1,173 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57273

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 $113,500. Owner-occupancy sits near the national average at 70%.

Median household income is $47,344. Poverty affects 24% of residents, above the national average. 49% 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 17 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks. 16% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 57273 reflects a community defined by economic challenges above the national average, a strong veteran community, and a significant Social Security-dependent population.

1,173

population

175.01

sq mi land

Standard

ZIP type

Central (CT)

timezone

57273 ZIP code map

Cities in ZIP code 57273

Below are the cities the US Postal Service accepts for ZIP code 57273. Using any city not on this list may result in mail delivery delays.

City	Status
Waubay	Acceptable
Waubay	Preferred

Nearby ZIP codes

57266 Summit (10.2 mi) 57274 Webster (12.1 mi) 57239 Grenville (13.9 mi) 57263 South Shore (16.7 mi) 57272 Wallace (17 mi) 57251 Marvin (17 mi) 57235 Florence (18.2 mi) 57257 Peever (19.5 mi)

Demographics updated 05/2026

Population
Total population	1,173
Population density	7 / sq mi
State FIPS	46
County FIPS	037

Geography
Land area	175.01 sq mi
Water area	22.63 sq mi
Latitude	45.3133
Longitude	-97.2962
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	61.1%	52.5%	41.7%
$50k – $100k	24.9%	30.0%	33.8%
$100k – $200k	10.6%	16.0%	20.1%
Over $200k	3.4%	1.5%	4.4%

Demographics & statistics

1,173

Population

People per sq mi

39.4

Median age

$47,344

Median household income

$26,411

Per capita income

$113,500

Median home value

$589

Median monthly rent

69.9%

Home ownership

24.2%

Poverty rate

10.6%

Unemployment

720

Housing units

22.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	364	31.0%
18 and over	809	69.0%
65 and over	254	21.7%
Median age	39.4 years

Race & ethnicity

White 53.2%

American Indian / Alaska Native 38.6%

Two or more races 6.8%

Hispanic or Latino 1.1%

Asian 0.3%

Group	Count	%
White	631	53.2%
American Indian / Alaska Native	458	38.6%
Two or more races	81	6.8%
Hispanic or Latino	13	1.1%
Asian	3	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.1%	52.5%	41.7%
$50k – $100k	24.9%	30.0%	33.8%
$100k – $200k	10.6%	16.0%	20.1%
Over $200k	3.4%	1.5%	4.4%

Under $10k 8.4%

$10k–$15k 3.1%

$15k–$25k 12.9%

$25k–$35k 16.9%

$35k–$50k 9.8%

$50k–$75k 18.9%

$75k–$100k 8.8%

$100k–$150k 13.4%

$150k–$200k 1.0%

$200k+ 6.9%

Range	% of households
Under $10k	8.4%
$10k–$15k	3.1%
$15k–$25k	12.9%
$25k–$35k	16.9%
$35k–$50k	9.8%
$50k–$75k	18.9%
$75k–$100k	8.8%
$100k–$150k	13.4%
$150k–$200k	1.0%
$200k+	6.9%
Median income	$47,344

Housing

Home values

Under $50k 12.6%

$50k–$100k 26.3%

$100k–$150k 21.5%

$150k–$200k 10.6%

$200k–$300k 13.7%

$300k–$500k 7.2%

$500k–$1M 5.5%

$1M+ 2.7%

Housing overview

Metric	Value
Median home value	$113,500
Median rent / month	$589
Owner occupied	69.9%
Renter occupied	30.1%
Vacant	50.5%
Single-family detached	86.6%
Large apartment buildings	0.0%
Mobile homes	8.5%
Median rooms	5.1
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	0.5%
2010–2019	8.0%
2000–2009	12.9%
1990–1999	7.3%
1980–1989	11.9%
1970–1979	13.7%
1960–1969	4.7%
1950–1959	9.3%
1940–1949	4.0%
1939 or earlier	27.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	8.6%
2 bedrooms	25.2%
3 bedrooms	45.2%
4 bedrooms	14.3%
5+ bedrooms	5.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	29.1%
2 vehicles	38.4%
3 or more	30.3%

Heating fuel

Fuel type	%
Utility gas	1.4%
Electricity	44.2%
Propane / LP gas	46.5%
Fuel oil	5.7%
Wood	1.4%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	189	45.1%
Cohabiting couple	26	6.2%
Male householder, no spouse	68	16.2%
Female householder, no spouse	136	32.5%
Households with children under 18	111	26.5%
Households with seniors (65+)	201	48.0%
Average household size	2.79

Marital status

Status	Male	Female
Never married	30.6%	36.8%
Married	55.0%	43.3%
Separated	0.0%	1.6%
Widowed	0.5%	10.1%
Divorced	14.0%	8.3%

Education

Less than 9th grade 2.3%

Some HS, no diploma 7.4%

HS graduate 38.1%

Some college, no degree 18.8%

Associate's degree 11.4%

Bachelor's degree 16.7%

Graduate / professional 5.3%

Metric	%
HS diploma or higher	90.3%
Bachelor's or higher	22.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	50	16.5%
Kindergarten	2	0.7%
Elementary school	121	39.9%
High school	103	34.0%
College / grad school	27	8.9%

Employment

Industry of employment

Education & healthcare 31.6%

Manufacturing 12.9%

Agriculture & mining 11.6%

Retail trade 8.3%

Arts, food & hospitality 7.6%

Public administration 6.8%

Wholesale trade 5.1%

Professional & management 5.1%

Other services 4.8%

Finance & real estate 2.5%

Construction 1.8%

Transportation & utilities 1.5%

Information 0.5%

Occupation

Category	%
Management, business & arts	36.9%
Service	19.4%
Sales & office	19.4%
Natural resources & construction	10.6%
Production & transportation	13.6%

Employment type

Type	%
Private sector	49.7%
Government	35.4%
Self-employed	14.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.0%
Carpool	6.6%
Public transit	0.0%
Walk	4.5%
Work from home	10.9%
Other means	0.0%
Avg commute (minutes)	16.6

Poverty

All people 24.2%

Under 18 years 40.1%

18 and over 17.1%

Married-couple families 10.6%

Female-led households 25.6%

Income support

Source	% of households
Social Security	48.7%
Retirement income	26.5%
Supplemental Security	5.7%
Cash public assistance	3.3%
Food stamps / SNAP	14.3%

Health indicators

Condition	%
Obesity	37.9%
High blood pressure	34.6%
High cholesterol	31.5%
Diabetes	11.6%
Heart disease	8.0%
Stroke	3.9%
Asthma	10.1%
Arthritis	26.4%
Kidney disease	3.5%
Pulmonary disease	7.4%
Cancer	7.5%

Behavior / access	%
Smoking	21.9%
Binge drinking	17.7%
No physical activity	26.8%
Less than 7 hrs sleep	30.2%
Depression	16.2%
Fair or poor health	14.6%
Poor mental health	11.9%
Poor physical health	10.9%
No health insurance	12.6%
Visited doctor (checkup)	76.2%
Visited dentist	62.5%
Cholesterol screening	88.8%
Teeth loss	16.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	102	12.6%

Disability	%
Any disability	11.4%
Under 18	0.0%
18–64 years	10.3%
65 and over	30.3%

Health insurance coverage

Type	%
Private insurance	43.9%
Public insurance	49.4%
No insurance	15.7%
Uninsured under 19	8.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,069	91.1%
Spanish	2	0.2%
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)	1,173	100.0%
Born in same state	1,170	99.7%
Born in different state	1,048	89.3%
Foreign born	3	0.3%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	304	25.9%
English	61	5.2%
Italian	51	4.3%
French	25	2.1%

Ancestry	Count	%
Dutch	22	1.9%
Arab	9	0.8%
Irish	4	0.3%
German	2	0.2%

Technology access

Metric	% of households
Computer access	35.7%
Internet access	80.2%

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

Frequently asked questions about ZIP code 57273

What city is ZIP code 57273 in?

ZIP code 57273 is primarily assigned to Waubay, South Dakota.

What county is ZIP code 57273 in?

ZIP code 57273 falls within Day County, South Dakota.

Is ZIP code 57273 family-oriented?

31% of residents in ZIP code 57273 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 57273?

24% of residents in ZIP code 57273 live below the poverty line, above the national average.

Does ZIP code 57273 have a large retiree population?

49% of households in ZIP code 57273 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 57273 have a large veteran population?

13% of civilians in ZIP code 57273 are veterans, above the national average of ~7%.

What timezone is ZIP code 57273 in?

ZIP code 57273 observes the CST timezone.