57370 ZIP Code — Pukwana, SD

Brule County, South Dakota

ZIP code 57370 is located in Pukwana, South Dakota, within Brule County. It covers approximately 212.94 square miles and serves a population of 739 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57370

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $119,300. Owner-occupancy sits near the national average at 72%.

Median household income is $65,938. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 19 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.

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 (23%) compared to national benchmarks.

Overall, ZIP code 57370 reflects a community defined by a high rate of remote workers and a significant Social Security-dependent population.

739

population

212.94

sq mi land

Standard

ZIP type

Central (CT)

timezone

57370 ZIP code map

Cities in ZIP code 57370

Below are the cities the US Postal Service accepts for ZIP code 57370. Using any city not on this list may result in mail delivery delays.

City	Status
Pukwana	Acceptable
Pukwana	Preferred

Nearby ZIP codes

57325 Chamberlain (6.3 mi) 57326 Chamberlain (8.9 mi) 57355 Kimball (9.3 mi) 57365 Oacoma (12.7 mi) 57341 Gann Valley (18.7 mi)

Demographics updated 05/2026

Population
Total population	739
Population density	3 / sq mi
State FIPS	46
County FIPS	015

Geography
Land area	212.94 sq mi
Water area	5.79 sq mi
Latitude	43.7961
Longitude	-99.1526
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	37.1%	43.0%	41.7%
$50k – $100k	52.9%	35.3%	33.8%
$100k – $200k	8.9%	16.3%	20.1%
Over $200k	1.2%	5.4%	4.4%

Demographics & statistics

739

Population

People per sq mi

36.0

Median age

$65,938

Median household income

$29,724

Per capita income

$119,300

Median home value

$769

Median monthly rent

71.9%

Home ownership

9.2%

Poverty rate

1.0%

Unemployment

245

Housing units

21.8%

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	187	25.3%
18 and over	552	74.7%
65 and over	112	15.2%
Median age	36.0 years

Race & ethnicity

White 72.3%

American Indian / Alaska Native 21.9%

Two or more races 4.4%

Hispanic or Latino 1.5%

Group	Count	%
White	542	72.3%
American Indian / Alaska Native	164	21.9%
Two or more races	33	4.4%
Hispanic or Latino	11	1.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.1%	43.0%	41.7%
$50k – $100k	52.9%	35.3%	33.8%
$100k – $200k	8.9%	16.3%	20.1%
Over $200k	1.2%	5.4%	4.4%

Under $10k 4.9%

$10k–$15k 2.6%

$15k–$25k 1.9%

$25k–$35k 18.4%

$35k–$50k 10.1%

$50k–$75k 16.9%

$75k–$100k 23.2%

$100k–$150k 13.5%

$150k–$200k 0.7%

$200k+ 7.9%

Range	% of households
Under $10k	4.9%
$10k–$15k	2.6%
$15k–$25k	1.9%
$25k–$35k	18.4%
$35k–$50k	10.1%
$50k–$75k	16.9%
$75k–$100k	23.2%
$100k–$150k	13.5%
$150k–$200k	0.7%
$200k+	7.9%
Median income	$65,938

Housing

Home values

Under $50k 16.1%

$50k–$100k 16.1%

$100k–$150k 25.0%

$150k–$200k 11.5%

$200k–$300k 23.4%

$300k–$500k 7.3%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$119,300
Median rent / month	$769
Owner occupied	71.9%
Renter occupied	28.1%
Vacant	16.6%
Single-family detached	71.9%
Large apartment buildings	0.0%
Mobile homes	25.0%
Median rooms	5.9
Avg household size (owned)	2.51

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	16.3%
1990–1999	9.7%
1980–1989	15.9%
1970–1979	17.8%
1960–1969	2.5%
1950–1959	12.5%
1940–1949	7.8%
1939 or earlier	17.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	4.4%
2 bedrooms	28.4%
3 bedrooms	35.3%
4 bedrooms	21.9%
5+ bedrooms	9.7%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	23.2%
2 vehicles	42.3%
3 or more	32.2%

Heating fuel

Fuel type	%
Utility gas	6.0%
Electricity	41.9%
Propane / LP gas	44.6%
Fuel oil	1.5%
Wood	1.9%
No fuel used	2.2%

Households & families

Household type	Count	%
Married-couple family	132	49.4%
Cohabiting couple	9	3.4%
Male householder, no spouse	73	27.3%
Female householder, no spouse	53	19.9%
Households with children under 18	87	32.6%
Households with seniors (65+)	88	33.0%
Average household size	2.77

Marital status

Status	Male	Female
Never married	43.2%	34.9%
Married	47.9%	53.4%
Separated	2.1%	0.0%
Widowed	2.1%	8.8%
Divorced	4.7%	2.9%

Education

Less than 9th grade 1.5%

Some HS, no diploma 4.9%

HS graduate 36.0%

Some college, no degree 24.2%

Associate's degree 11.7%

Bachelor's degree 17.8%

Graduate / professional 4.0%

Metric	%
HS diploma or higher	93.6%
Bachelor's or higher	21.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2	1.0%
Kindergarten	3	1.6%
Elementary school	124	64.9%
High school	47	24.6%
College / grad school	15	7.9%

Employment

Industry of employment

Agriculture & mining 24.5%

Education & healthcare 22.1%

Retail trade 17.1%

Arts, food & hospitality 10.3%

Professional & management 7.6%

Transportation & utilities 4.5%

Manufacturing 2.9%

Finance & real estate 2.6%

Public administration 2.4%

Wholesale trade 2.1%

Information 2.1%

Construction 1.1%

Other services 0.8%

Occupation

Category	%
Management, business & arts	35.0%
Service	18.4%
Sales & office	23.2%
Natural resources & construction	13.7%
Production & transportation	9.7%

Employment type

Type	%
Private sector	65.3%
Government	9.5%
Self-employed	16.8%
Unpaid family workers	8.4%

Commute

Method	%
Drive alone	63.6%
Carpool	6.2%
Public transit	2.3%
Walk	4.0%
Work from home	21.8%
Other means	2.3%
Avg commute (minutes)	19.2

Poverty

All people 9.2%

Under 18 years 5.9%

18 and over 10.3%

Married-couple families 0.0%

Female-led households 65.0%

Income support

Source	% of households
Social Security	32.2%
Retirement income	12.0%
Supplemental Security	4.9%
Cash public assistance	2.6%
Food stamps / SNAP	15.7%

Health indicators

Condition	%
Obesity	36.1%
High blood pressure	34.4%
High cholesterol	32.1%
Diabetes	11.5%
Heart disease	8.2%
Stroke	4.1%
Asthma	10.0%
Arthritis	26.3%
Kidney disease	3.5%
Pulmonary disease	7.9%
Cancer	7.5%

Behavior / access	%
Smoking	22.7%
Binge drinking	18.2%
No physical activity	27.4%
Less than 7 hrs sleep	30.0%
Depression	16.4%
Fair or poor health	15.8%
Poor mental health	12.1%
Poor physical health	11.4%
No health insurance	14.0%
Visited doctor (checkup)	75.8%
Visited dentist	62.9%
Cholesterol screening	88.3%
Teeth loss	18.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	20	3.6%

Disability	%
Any disability	10.4%
Under 18	0.0%
18–64 years	12.3%
65 and over	20.5%

Health insurance coverage

Type	%
Private insurance	71.0%
Public insurance	24.8%
No insurance	9.6%
Uninsured under 19	11.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	717	97.0%
Spanish	9	1.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	2	0.3%
Other languages	7	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	717	97.0%
Born in same state	717	97.0%
Born in different state	625	84.6%
Foreign born	0	0.0%
Naturalized citizen	22	3.0%
Not a US citizen	15	68.2%

Ancestry

Ancestry	Count	%
Italian	77	10.4%
Arab	28	3.8%
English	25	3.4%

Ancestry	Count	%
Polish	21	2.8%
French	3	0.4%
Dutch	2	0.3%

Technology access

Metric	% of households
Computer access	36.1%
Internet access	83.1%

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

Frequently asked questions about ZIP code 57370

What city is ZIP code 57370 in?

ZIP code 57370 is primarily assigned to Pukwana, South Dakota.

What county is ZIP code 57370 in?

ZIP code 57370 falls within Brule County, South Dakota.

What is the typical home value in ZIP code 57370?

The median home value in ZIP code 57370 is $119,300.

What is the population of ZIP code 57370?

ZIP code 57370 has an estimated population of 739 residents, with a density of 3 people per square mile.

What is the median household income in ZIP code 57370?

The median household income in ZIP code 57370 is $65,938, below the national median of ~$75,000.

What timezone is ZIP code 57370 in?

ZIP code 57370 observes the CST timezone.