Ipswich ZIP Codes — Edmunds County, SD

There is one unique ZIP code in Ipswich, South Dakota and it is 57451. Area code: 605.

ZIP codes

430.24

sq mi land

2.80

sq mi water

605

area code

Ipswich, SD ZIP code map

About Ipswich, SD

Ipswich, South Dakota, is a small yet vibrant city nestled within Edmunds County. Known for its friendly community and rural charm, it offers residents and visitors a glimpse into life in the Heartland. With a unique blend of outdoor activities and local heritage, Ipswich stands as a welcoming destination in the region.

Location & geography

Located in the north-central part of South Dakota, Ipswich is approximately 30 miles southwest of Aberdeen and around 15 miles southeast of Eureka. The city spans a total land area of 430.24 square miles, with a small water area of 2.80 square miles, showcasing the beautiful landscapes of the area. The terrain is primarily rural, characterized by rolling hills and open fields, providing a serene environment for residents.

Community & economy

Ipswich is known for its tight-knit community, where residents take pride in their small-town atmosphere and local traditions. The economy is primarily supported by agriculture and related industries, reflecting the area's rich farming heritage. Daily life in Ipswich often revolves around local events, community gatherings, and outdoor recreation, fostering a strong sense of belonging among its citizens.

Transportation

Ipswich is conveniently located near South Dakota Highway 10, which connects residents to surrounding areas and larger cities. For air travel, the nearest major airport is Aberdeen Regional Airport, located about 30 miles to the northeast. Public transportation options are limited, with most residents relying on personal vehicles for their daily commutes.

History

Founded in the late 19th century, Ipswich quickly developed as a center for agricultural production and commerce in Edmunds County. The city has witnessed the evolution of farming technologies and practices, becoming an integral part of South Dakota's agricultural landscape. Notable events in its history include the establishment of local fairs that celebrate the region's rich agricultural heritage.

Did you know?

One surprising fact about Ipswich is its dedication to preserving local history, evident in the presence of historical landmarks and museums. Additionally, the city hosts annual events that draw visitors from neighboring areas, highlighting its vibrant community spirit.

ZIP codes for Ipswich, SD (1)

ZIP code	City	County	Map
57451	Ipswich	Edmunds	View map

Demographics & statistics

2,543

Population

40.1

Median age

$85,238

Median household income

$39,660

Per capita income

$210,300

Median home value

$1,014

Median monthly rent

82.4%

Home ownership

5.5%

Poverty rate

3.2%

Unemployment

883

Housing units

31.9%

Bachelor's or higher

Age distribution

Male Female

111

Under 5

113

124

5–9

127

10–14

15–19

20–24

156

25–34

159

148

35–44

150

119

45–54

122

110

55–59

113

101

60–64

103

163

65–74

166

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	628	24.7%
18 and over	1,915	75.3%
65 and over	477	18.8%
Median age	40.1 years

Race & ethnicity

White 96.1%

American Indian / Alaska Native 2.1%

Two or more races 0.9%

Hispanic or Latino 0.7%

Asian 0.1%

Black or African American 0.1%

Group	Count	%
White	2,461	96.1%
American Indian / Alaska Native	55	2.1%
Two or more races	22	0.9%
Hispanic or Latino	19	0.7%
Asian	3	0.1%
Black or African American	2	0.1%

Household income

Under $10k 4.2%

$10k–$15k 0.8%

$15k–$25k 6.6%

$25k–$35k 6.0%

$35k–$50k 7.7%

$50k–$75k 18.2%

$75k–$100k 20.6%

$100k–$150k 16.7%

$150k–$200k 12.1%

$200k+ 7.2%

Range	% of households
Under $10k	4.2%
$10k–$15k	0.8%
$15k–$25k	6.6%
$25k–$35k	6.0%
$35k–$50k	7.7%
$50k–$75k	18.2%
$75k–$100k	20.6%
$100k–$150k	16.7%
$150k–$200k	12.1%
$200k+	7.2%
Median income	$85,238

Housing

Home values

Under $50k 12.5%

$50k–$100k 3.8%

$100k–$150k 15.1%

$150k–$200k 17.0%

$200k–$300k 17.0%

$300k–$500k 17.7%

$500k–$1M 17.0%

Housing overview

Metric	Value
Median home value	$210,300
Median rent / month	$1,014
Owner occupied	82.4%
Renter occupied	17.6%
Vacant	13.5%
Single-family detached	86.9%
Large apartment buildings	0.0%
Mobile homes	10.1%
Median rooms	7.1
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	0.0%
2010–2019	7.0%
2000–2009	7.9%
1990–1999	11.8%
1980–1989	11.3%
1970–1979	19.6%
1960–1969	8.0%
1950–1959	9.8%
1940–1949	5.2%
1939 or earlier	19.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.5%
2 bedrooms	15.3%
3 bedrooms	43.1%
4 bedrooms	27.1%
5+ bedrooms	13.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	12.9%
2 vehicles	41.0%
3 or more	45.4%

Heating fuel

Fuel type	%
Utility gas	33.1%
Electricity	38.3%
Propane / LP gas	23.7%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	610	67.8%
Cohabiting couple	51	5.7%
Male householder, no spouse	110	12.2%
Female householder, no spouse	129	14.3%
Households with children under 18	238	26.4%
Households with seniors (65+)	285	31.7%
Average household size	2.75

Marital status

Status	Male	Female
Never married	20.1%	20.8%
Married	71.4%	59.3%
Separated	0.0%	1.1%
Widowed	3.2%	11.1%
Divorced	5.4%	7.8%

Education

Less than 9th grade 4.9%

Some HS, no diploma 3.4%

HS graduate 27.6%

Some college, no degree 17.6%

Associate's degree 14.7%

Bachelor's degree 25.1%

Graduate / professional 6.7%

Metric	%
HS diploma or higher	91.7%
Bachelor's or higher	31.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	41	7.5%
Kindergarten	53	9.7%
Elementary school	270	49.2%
High school	83	15.1%
College / grad school	102	18.6%

Employment

Industry of employment

Education & healthcare 24.8%

Agriculture & mining 19.1%

Arts, food & hospitality 11.3%

Retail trade 8.9%

Other services 6.9%

Transportation & utilities 6.0%

Construction 5.0%

Finance & real estate 4.4%

Professional & management 3.6%

Wholesale trade 3.3%

Public administration 3.0%

Manufacturing 2.2%

Information 1.4%

Occupation

Category	%
Management, business & arts	44.8%
Service	21.0%
Sales & office	13.3%
Natural resources & construction	11.8%
Production & transportation	9.2%

Employment type

Type	%
Private sector	63.7%
Government	15.6%
Self-employed	20.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.5%
Carpool	2.8%
Public transit	0.0%
Walk	4.2%
Other means	4.7%
Avg commute (minutes)	22.3

Poverty

All people 5.5%

Under 18 years 7.8%

18 and over 4.7%

Married-couple families 2.5%

Female-led households 0.0%

Income support

Source	% of households
Social Security	33.8%
Retirement income	18.4%
Supplemental Security	4.3%
Cash public assistance	1.3%
Food stamps / SNAP	2.2%

Health indicators

Condition	%
High blood pressure	31.1%
High cholesterol	31.9%
Heart disease	6.9%
Stroke	3.0%
Asthma	8.4%
Arthritis	24.3%
Kidney disease	2.9%
Pulmonary disease	5.6%
Cancer	8.0%

Behavior / access	%
Binge drinking	20.1%
No physical activity	21.8%
Less than 7 hrs sleep	29.1%
Fair or poor health	10.1%
Poor mental health	9.7%
Poor physical health	8.2%
No health insurance	10.5%
Visited doctor (checkup)	76.7%
Visited dentist	73.6%
Cholesterol screening	90.7%
Teeth loss	11.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	135	7.0%

Disability	%
Any disability	14.0%
Under 18	0.5%
18–64 years	13.7%
65 and over	34.9%

Health insurance coverage

Type	%
Private insurance	78.4%
Public insurance	27.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,319	91.2%
Spanish	26	1.1%
Other Indo-European	25	1.1%
Asian & Pacific Islander	0	0.0%
Other languages	1	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,515	98.9%
Born in same state	2,511	98.7%
Born in different state	1,933	76.0%
Foreign born	4	0.2%
Naturalized citizen	28	1.1%
Not a US citizen	14	50.0%

Ancestry

Ancestry	Count	%
Italian	268	10.5%
Polish	257	10.1%
French	169	6.6%
Arab	40	1.6%

Ancestry	Count	%
English	20	0.8%
Dutch	20	0.8%
German	11	0.4%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	97.1%

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

Frequently asked questions

What ZIP codes does Ipswich, SD have?

Ipswich, SD has one ZIP code: 57451. Each ZIP code serves a distinct delivery area within the city and surrounding region.