57238 ZIP Code — Goodwin, SD

Deuel County, South Dakota

ZIP code 57238 is located in Goodwin, South Dakota, within Deuel County. It covers approximately 73.67 square miles and serves a population of 306 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57238

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 $175,900. Owner-occupancy is high at 80%, well above the national average.

Median household income is $61,136. 49% 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 22 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 57238 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

306

population

73.67

sq mi land

Standard

ZIP type

Central (CT)

timezone

57238 ZIP code map

Cities in ZIP code 57238

Below are the cities the US Postal Service accepts for ZIP code 57238. Using any city not on this list may result in mail delivery delays.

City	Status
Goodwin	Acceptable
Goodwin	Preferred

Nearby ZIP codes

57226 Clear Lake (6.9 mi) 57223 Castlewood (14 mi) 57201 Watertown (14.5 mi) 57237 Gary (14.8 mi) 57259 Revillo (15.3 mi) 57264 Stockholm (15.5 mi) 57218 Brandt (16.8 mi)

Demographics updated 05/2026

Population
Total population	306
Population density	4 / sq mi
State FIPS	46
County FIPS	039

Geography
Land area	73.67 sq mi
Water area	1.60 sq mi
Latitude	44.8836
Longitude	-96.8435
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	33.5%	33.9%	41.7%
$50k – $100k	47.4%	40.3%	33.8%
$100k – $200k	19.1%	24.2%	20.1%
Over $200k	0.0%	1.6%	4.4%

Demographics & statistics

306

Population

People per sq mi

55.3

Median age

$61,136

Median household income

$33,465

Per capita income

$175,900

Median home value

$763

Median monthly rent

79.6%

Home ownership

7.8%

Poverty rate

0.0%

Unemployment

157

Housing units

16.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	63	20.6%
18 and over	243	79.4%
65 and over	96	31.4%
Median age	55.3 years

Race & ethnicity

White 100%

Group	Count	%
White	306	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.5%	33.9%	41.7%
$50k – $100k	47.4%	40.3%	33.8%
$100k – $200k	19.1%	24.2%	20.1%
Over $200k	0.0%	1.6%	4.4%

Under $10k 11.2%

$10k–$15k 4.6%

$15k–$25k 7.9%

$25k–$35k 4.6%

$35k–$50k 8.6%

$50k–$75k 23.0%

$75k–$100k 13.8%

$100k–$150k 18.4%

$150k–$200k 7.9%

Range	% of households
Under $10k	11.2%
$10k–$15k	4.6%
$15k–$25k	7.9%
$25k–$35k	4.6%
$35k–$50k	8.6%
$50k–$75k	23.0%
$75k–$100k	13.8%
$100k–$150k	18.4%
$150k–$200k	7.9%
Median income	$61,136

Housing

Home values

Under $50k 14.0%

$50k–$100k 9.1%

$100k–$150k 14.9%

$150k–$200k 23.1%

$200k–$300k 33.1%

$300k–$500k 5.8%

Housing overview

Metric	Value
Median home value	$175,900
Median rent / month	$763
Owner occupied	79.6%
Renter occupied	20.4%
Vacant	19.1%
Single-family detached	95.2%
Large apartment buildings	0.0%
Mobile homes	3.2%
Median rooms	5.2
Avg household size (owned)	1.87

Year built

Era	%
2020 or later	1.1%
2010–2019	6.9%
2000–2009	2.1%
1990–1999	21.3%
1980–1989	2.1%
1970–1979	5.9%
1960–1969	7.4%
1950–1959	8.0%
1940–1949	8.0%
1939 or earlier	37.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.4%
2 bedrooms	47.3%
3 bedrooms	22.9%
4 bedrooms	14.9%
5+ bedrooms	8.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	25.0%
2 vehicles	44.1%
3 or more	30.9%

Heating fuel

Fuel type	%
Utility gas	36.2%
Electricity	23.0%
Propane / LP gas	37.5%
No fuel used	3.3%

Households & families

Household type	Count	%
Married-couple family	64	42.1%
Cohabiting couple	16	10.5%
Male householder, no spouse	32	21.1%
Female householder, no spouse	40	26.3%
Households with children under 18	34	22.4%
Households with seniors (65+)	75	49.3%
Average household size	2.01

Marital status

Status	Male	Female
Never married	36.2%	14.0%
Married	56.9%	51.8%
Separated	0.8%	0.0%
Widowed	0.0%	31.6%
Divorced	6.2%	2.6%

Education

Less than 9th grade 0.4%

Some HS, no diploma 4.7%

HS graduate 46.6%

Some college, no degree 19.7%

Associate's degree 12.0%

Bachelor's degree 13.2%

Graduate / professional 3.4%

Metric	%
HS diploma or higher	94.9%
Bachelor's or higher	16.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	31	70.5%
Elementary school	10	22.7%
High school	0	0.0%
College / grad school	3	6.8%

Employment

Industry of employment

Agriculture & mining 27.9%

Retail trade 18.8%

Manufacturing 13.6%

Transportation & utilities 13.0%

Finance & real estate 9.7%

Education & healthcare 9.7%

Public administration 5.2%

Construction 1.9%

Occupation

Category	%
Management, business & arts	38.3%
Service	1.3%
Sales & office	13.6%
Natural resources & construction	16.9%
Production & transportation	29.9%

Employment type

Type	%
Private sector	80.5%
Government	11.0%
Self-employed	8.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.7%
Carpool	16.4%
Public transit	0.0%
Walk	3.3%
Work from home	6.6%
Other means	0.0%
Avg commute (minutes)	22.0

Poverty

All people 7.8%

Under 18 years 0.0%

18 and over 9.9%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	49.3%
Retirement income	21.1%
Supplemental Security	5.3%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	34.5%
High blood pressure	28.9%
High cholesterol	28.7%
Diabetes	8.5%
Heart disease	6.3%
Stroke	2.8%
Asthma	8.3%
Arthritis	22.4%
Kidney disease	2.7%
Pulmonary disease	5.6%
Cancer	6.8%

Behavior / access	%
Smoking	17.9%
Binge drinking	21.8%
No physical activity	22.7%
Less than 7 hrs sleep	28.2%
Depression	14.8%
Fair or poor health	10.7%
Poor mental health	10.1%
Poor physical health	8.4%
No health insurance	12.4%
Visited doctor (checkup)	74.2%
Visited dentist	68.8%
Cholesterol screening	88.9%
Teeth loss	13.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	12	4.9%

Disability	%
Any disability	15.7%
Under 18	0.0%
18–64 years	7.5%
65 and over	38.5%

Health insurance coverage

Type	%
Private insurance	68.0%
Public insurance	36.9%
No insurance	4.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	284	92.8%
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)	306	100.0%
Born in same state	306	100.0%
Born in different state	247	80.7%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	58	19%
Polish	31	10.1%
Arab	22	7.2%

Ancestry	Count	%
English	12	3.9%
French	7	2.3%
Irish	1	0.3%

Technology access

Metric	% of households
Computer access	49.7%
Internet access	78.3%

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

Frequently asked questions about ZIP code 57238

What city is ZIP code 57238 in?

ZIP code 57238 is primarily assigned to Goodwin, South Dakota.

What county is ZIP code 57238 in?

ZIP code 57238 falls within Deuel County, South Dakota.

Does ZIP code 57238 have an older population?

31% of residents in ZIP code 57238 are 65 or older, above the national average of ~17%.

Does ZIP code 57238 have a large retiree population?

49% of households in ZIP code 57238 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 57238?

The median home value in ZIP code 57238 is $175,900.

What is the population of ZIP code 57238?

ZIP code 57238 has an estimated population of 306 residents, with a density of 4 people per square mile.

What timezone is ZIP code 57238 in?

ZIP code 57238 observes the CST timezone.