Zip code 57451: Ipswich, South Dakota

Q: What city is zip code 57451?

57451 is assigned to Ipswich, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57451 in?

57451 is mostly in Edmunds County, but it extends into 1 other county.

Q: What is the population of 57451?

About 2,485 people live in 57451, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57451?

The median household income in 57451 is $86,000.

Q: What zip codes are near 57451?

The closest zip codes to 57451 are 57460, 57471, 57435, 57401, 57481.

Residential delivery areaEdmunds CountyCentral Time

Population

2,485

Median household income

$86K

U.S. $81K

Median home value

$196K

U.S. $333K

Median rent

$1,213/mo

U.S. $1,413

Median age

41.2

U.S. 38.9

Land area

430 sq mi

6 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 57451

57451 is a rural zip code in Ipswich, South Dakota (Edmunds County), covering 430 sq mi of land. About 2,485 people live here, or 6 per square mile. The median resident is 41.2 years old, compared with 38.9 nationally.

The median household earns $86,000 a year, close to the national median of $80,734. 7.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $195,700, or 2.3 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 79% of occupied homes are lived in by their owners, and renters pay a median of $1,213 a month.

31% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 19.9 minutes each way, and 12% of workers work from home. The most common jobs among working residents are in management; healthcare; and office and administrative support. 28% of them are self-employed (U.S.: 10%).

How 57451 compares

Sorted from highest to lowest national percentile

Self-employed workers27.7%
99th
U.S. 10% · SD 12.1%90th of 347 in SD
Broadband access97.1%
93rd
StrengthU.S. 91% · SD 89.6%22nd of 344 in SD
Healthcare workers12.9%
88th
U.S. 9.7% · SD 10.5%66th of 347 in SD
Government workers18.4%
78th
U.S. 14.5% · SD 15.8%126th of 347 in SD
Residents under 1825.4%
77th
U.S. 22% · SD 24.2%147th of 347 in SD
Homeownership rate79%
76th
U.S. 65.2% · SD 68.6%180th of 344 in SD
Veterans7.8%
75th
U.S. 6.2% · SD 7.9%134th of 347 in SD
Residents 65 and older20.2%
75th
U.S. 17.2% · SD 18%176th of 347 in SD
Median age41.2
66th
U.S. 38.9 · SD 38173rd of 347 in SD
Per capita income$45,069
63rd
U.S. $44,673 · SD $40,55079th of 347 in SD
Income inequality (Gini)0.448
61st
U.S. 0.483 · SD 0.449101st of 343 in SD
Median household income$86,000
57th
U.S. $80,734 · SD $75,08192nd of 327 in SD
Bachelor's degree or higher31.4%
49th
U.S. 35.7% · SD 31.9%86th of 346 in SD
Housing vacancy6.4%
48th
U.S. 10.1% · SD 10.5%290th of 344 in SD
Work from home11.6%
44th
U.S. 15.1% · SD 9.7%143rd of 347 in SD
Median earnings per worker$45,556
42nd
U.S. $49,666 · SD $46,539168th of 345 in SD
Median gross rent$1,213
37th
U.S. $1,413 · SD $94611th of 243 in SD
Poverty rate7.4%
28th
U.S. 12.5% · SD 11.9%203rd of 344 in SD
Median home value$195,700
20th
U.S. $332,700 · SD $257,400132nd of 302 in SD
Tech workers1.2%
17th
U.S. 3.8% · SD 2.3%103rd of 347 in SD
Uninsured rate3.2%
14th
StrengthU.S. 8.4% · SD 9%276th of 347 in SD
Foreign-born residents2.1%
13th
U.S. 14.1% · SD 4%94th of 347 in SD
Average commute19.9 min
12th
StrengthU.S. 26.4 min · SD 17.8 min164th of 330 in SD
Population2,485
4th
U.S. 334,922,499 · SD 907,42858th of 347 in SD
Diversity index9.5
4th
U.S. 61.4 · SD 35.4250th of 347 in SD
Rent-burdened renters27.3%
4th
StrengthU.S. 51.1% · SD 39.8%179th of 313 in SD
Population density6/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi168th of 347 in SD
Unemployment rate0.8%
1st
StrengthU.S. 5.2% · SD 2.9%199th of 347 in SD

Measure	57451	Edmunds	SD	U.S.	National percentile	Rank in SD
Self-employed workers	27.7%	25.5%	12.1%	10%	99th	90th of 347
Broadband accessStrength	97.1%	93.3%	89.6%	91%	93rd	22nd of 344
Healthcare workers	12.9%	11.4%	10.5%	9.7%	88th	66th of 347
Government workers	18.4%	18.8%	15.8%	14.5%	78th	126th of 347
Residents under 18	25.4%	23.6%	24.2%	22%	77th	147th of 347
Homeownership rate	79%	81.1%	68.6%	65.2%	76th	180th of 344
Veterans	7.8%	8.5%	7.9%	6.2%	75th	134th of 347
Residents 65 and older	20.2%	22.9%	18%	17.2%	75th	176th of 347
Median age	41.2	44	38	38.9	66th	173rd of 347
Per capita income	$45,069	$44,076	$40,550	$44,673	63rd	79th of 347
Income inequality (Gini)	0.448	0.470	0.449	0.483	61st	101st of 343
Median household income	$86,000	$81,630	$75,081	$80,734	57th	92nd of 327
Bachelor's degree or higher	31.4%	28.2%	31.9%	35.7%	49th	86th of 346
Housing vacancy	6.4%	14.1%	10.5%	10.1%	48th	290th of 344
Work from home	11.6%	13.9%	9.7%	15.1%	44th	143rd of 347
Median earnings per worker	$45,556	$46,765	$46,539	$49,666	42nd	168th of 345
Median gross rent	$1,213	$992	$946	$1,413	37th	11th of 243
Poverty rate	7.4%	9.9%	11.9%	12.5%	28th	203rd of 344
Median home value	$195,700	$163,300	$257,400	$332,700	20th	132nd of 302
Tech workers	1.2%	1.1%	2.3%	3.8%	17th	103rd of 347
Uninsured rateStrength	3.2%	4.4%	9%	8.4%	14th	276th of 347
Foreign-born residents	2.1%	2.3%	4%	14.1%	13th	94th of 347
Average commuteStrength	19.9 min	20 min	17.8 min	26.4 min	12th	164th of 330
Population	2,485	4,048	907,428	334,922,499	4th	58th of 347
Diversity index	9.5	11.9	35.4	61.4	4th	250th of 347
Rent-burdened rentersStrength	27.3%	30%	39.8%	51.1%	4th	179th of 313
Population density	6/sq mi	4/sq mi	12/sq mi	95/sq mi	1st	168th of 347
Unemployment rateStrength	0.8%	1.1%	2.9%	5.2%	1st	199th of 347

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

11%

Under 5

15%

5–17

18–24

12%

25–34

11%

35–44

10%

45–54

17%

55–64

13%

65–74

75+

Median age

41.2

Under 18

25.4%

65 and over

20.2%

Race and ethnicity

White95%
Black0.1%
Hispanic3%
Asian1%
Native American0.1%
Pacific Islander0%
Other0%
Multiracial0.7%

Diversity index

9.5

U.S. 61.4

Foreign-born

2.1%

U.S. 14.1%

Born in state

76.4%

Language spoken at home (households)

English only

91%

Spanish

Other Indo-European

Asian / Pacific

0.3%

Other

Households

Households: 940
Average household size: 2.6
Family households: 70.5%
Married couples: 62.1%
Living alone: 23.3%
Veterans (of adults): 7.8%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

$25–50k

16%

$50–75k

20%

$75–100k

18%

$100–150k

17%

$150–200k

10%

$200k+

13%

Median household income

57451

$86,000

Edmunds Co.

$81,630

South Dakota

$75,081

United States

$80,734

Per capita income

$45,069

U.S. $44,673

Poverty rate

7.4%

U.S. 12.5%

Households earning $150K+

22.3%

U.S. 23%

Income inequality (Gini)

0.448

U.S. 0.483

Housing

Median home value

57451

$195,700

Edmunds Co.

$163,300

South Dakota

$257,400

United States

$332,700

Median gross rent

57451

$1,213

Edmunds Co.

$992

South Dakota

$946

United States

$1,413

Types of housing

Single-family

89%

2–4 units

5–19 units

0.7%

20+ units

Mobile home

Boat, RV, van

Housing units: 1,004
Owner-occupied: 79%
Vacant: 6.4%
Median year built: 1973
Median rooms: 7
Renters paying 30%+ of income: 27.3%
Renters paying 50%+ of income: 15.1%
Home value to income: 2.3× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

72%

Carpooled

Transit

Walked

Bicycle

Worked from home

12%

Other

Commute time (one way)

<10 min

23%

10–19

20%

20–29

24%

30–44

28%

45–59

60+

0.5%

Average commute

19.9 min

U.S. 26.4 min

Unemployment

0.8%

U.S. 5.2%

In labor force

61.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

18%

Healthcare

13%

Office and admin

10%

Education

Construction and repair

Cleaning and personal care

Transportation and moving

Food service

Production

Sales

Business and finance

Farming, fishing and forestry

Legal and social services

Computer and math

Engineering and science

Arts, media and sports

0.3%

Police and fire

Industries

Agriculture and mining

15%

Health care and social assistance

15%

Education

Retail

Other services

Construction

Manufacturing

Public administration

Finance, insurance and real estate

Transportation, warehousing and utilities

Arts and recreation

Wholesale

Information

Professional and technical services

Restaurants and hotels

Admin, support and management

Median earnings per worker

$45,556

U.S. $49,666

Self-employed

27.7%

U.S. 10%

Government workers

18.4%

U.S. 14.5%

Nonprofit workers

6.3%

U.S. 8.8%

Median earnings by type of work

Type of work	57451	U.S.
Management, business, science and arts	$57,778	$74,888
Service	$27,575	$26,804
Sales and office	$68,750	$40,476
Construction and maintenance	$42,865	$49,199
Production and transportation	$35,208	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

10%

High school

26%

Some college

17%

Associate's

16%

Bachelor's

25%

Graduate

High school graduate or higher: 90.3%
Bachelor's degree or higher: 31.4%
Graduate or professional degree: 6.5%
Households with broadband: 97.1%
Cable, fiber or DSL: 83%
No internet access: 2.9%
Without health insurance: 3.2%
Limited-English households: 0%

Geography

City (USPS): Ipswich
State: South Dakota
County: Edmunds County
Center point: 45.4378° N, 98.9365° W
Land area: 430 sq mi
Water area: 2.8 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

57451 spans 2 counties

Edmunds County93% of land
Brown County8% of land

Zip codes near 57451

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57460	Mansfield, SD	17 mi	257	$139,500	$233,900
57471	Roscoe, SD	19 mi	546	$67,500	$78,700
57435	Cresbard, SD	20 mi	300	$97,750	$207,400
57401	Aberdeen, SD	20 mi	31,939	$68,835	$226,200
57481	Westport, SD	20 mi	271	$68,125	$215,600
57456	Leola, SD	20 mi	670	$75,833	$75,400
57465	Northville, SD	24 mi	438	$120,250	$131,700
57479	Warner, SD	26 mi	625	$102,222	$256,300
57448	Hosmer, SD	27 mi	404	$66,538	$64,300
57438	Faulkton, SD	28 mi	973	$70,673	$134,400
57426	Barnard, SD	30 mi	42	$78,875	—
57427	Bath, SD	30 mi	384	$83,977	$363,700

Zip codes like 57451 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 57451

What city is zip code 57451?

57451 is assigned to Ipswich, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57451 in?

57451 is mostly in Edmunds County, but it extends into 1 other county.

What is the population of 57451?

About 2,485 people live in 57451, according to the Census Bureau's American Community Survey.

What time zone is 57451 in?

57451 is in Central Time.

What is the median household income in 57451?

The median household income in 57451 is $86,000.

What zip codes are near 57451?

The closest zip codes to 57451 are 57460, 57471, 57435, 57401, 57481.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57451, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.