Zip code 57331: Dimock, South Dakota

Q: What city is zip code 57331?

57331 is assigned to Dimock, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57331 in?

57331 is mostly in Hutchinson County, but it extends into 2 other counties.

Q: What is the population of 57331?

About 231 people live in 57331, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57331?

The median household income in 57331 is $101,406.

Q: What zip codes are near 57331?

The closest zip codes to 57331 are 57334, 57366, 57330, 57301, 57363.

Residential delivery areaHutchinson CountyCentral Time

Population

231

Small sample: rough estimates

Median household income

$101K

U.S. $81K

Median home value

$293K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

46.9

U.S. 38.9

Land area

68 sq mi

3 people/sq mi

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

About 57331

57331 is a rural zip code in Dimock, South Dakota (Hutchinson County), covering 68 sq mi of land. About 231 people live here, or 3 per square mile. The median resident is 46.9 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $101,406 a year, 26% above the national median of $80,734. 8.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $292,500, or 2.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 75% of occupied homes are lived in by their owners.

16% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 21.5 minutes each way, and 3% of workers work from home. The most common jobs among working residents are in management; sales; and transportation and moving goods.

How 57331 compares

Sorted from highest to lowest national percentile

Only about 231 people live here, so these survey estimates have wide margins of error.

Rent-burdened renters90.9%
99th
WeaknessU.S. 51.1% · SD 39.8%11th of 313 in SD
Median age46.9
91st
U.S. 38.9 · SD 38102nd of 347 in SD
Veterans8.8%
83rd
U.S. 6.2% · SD 7.9%101st of 347 in SD
Residents 65 and older19.9%
73rd
U.S. 17.2% · SD 18%180th of 347 in SD
Median household income$101,406
72nd
U.S. $80,734 · SD $75,08137th of 327 in SD
Homeownership rate74.8%
66th
U.S. 65.2% · SD 68.6%224th of 344 in SD
Per capita income$45,012
62nd
U.S. $44,673 · SD $40,55082nd of 347 in SD
Housing vacancy8.3%
62nd
U.S. 10.1% · SD 10.5%261st of 344 in SD
Government workers13.7%
50th
U.S. 14.5% · SD 15.8%195th of 347 in SD
Residents under 1821.6%
45th
U.S. 22% · SD 24.2%228th of 347 in SD
Median home value$292,500
42nd
U.S. $332,700 · SD $257,40039th of 302 in SD
Median earnings per worker$44,821
39th
U.S. $49,666 · SD $46,539186th of 345 in SD
Poverty rate8.7%
36th
U.S. 12.5% · SD 11.9%178th of 344 in SD
Income inequality (Gini)0.410
29th
U.S. 0.483 · SD 0.449177th of 343 in SD
Healthcare workers7.6%
22nd
U.S. 9.7% · SD 10.5%171st of 347 in SD
Average commute21.5 min
20th
StrengthU.S. 26.4 min · SD 17.8 min134th of 330 in SD
Self-employed workers6.9%
18th
U.S. 10% · SD 12.1%310th of 347 in SD
Broadband access85.6%
14th
WeaknessU.S. 91% · SD 89.6%218th of 344 in SD
Bachelor's degree or higher16.3%
12th
WeaknessU.S. 35.7% · SD 31.9%281st of 346 in SD
Uninsured rate1.7%
4th
StrengthU.S. 8.4% · SD 9%312th of 347 in SD
Work from home2.6%
2nd
U.S. 15.1% · SD 9.7%311th of 347 in SD
Population231
1st
U.S. 334,922,499 · SD 907,428292nd of 347 in SD
Population density3/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi223rd of 347 in SD
Unemployment rate0%
1st
StrengthU.S. 5.2% · SD 2.9%290th of 347 in SD
Diversity index3.4
1st
U.S. 61.4 · SD 35.4301st of 347 in SD
Foreign-born residents0%
1st
U.S. 14.1% · SD 4%287th of 347 in SD
Tech workers0%
1st
U.S. 3.8% · SD 2.3%263rd of 347 in SD

Measure	57331	Hutchinson	SD	U.S.	National percentile	Rank in SD
Rent-burdened rentersWeakness	90.9%	28.7%	39.8%	51.1%	99th	11th of 313
Median age	46.9	42.1	38	38.9	91st	102nd of 347
Veterans	8.8%	6.9%	7.9%	6.2%	83rd	101st of 347
Residents 65 and older	19.9%	21.8%	18%	17.2%	73rd	180th of 347
Median household income	$101,406	$73,977	$75,081	$80,734	72nd	37th of 327
Homeownership rate	74.8%	77.3%	68.6%	65.2%	66th	224th of 344
Per capita income	$45,012	$39,153	$40,550	$44,673	62nd	82nd of 347
Housing vacancy	8.3%	10.1%	10.5%	10.1%	62nd	261st of 344
Government workers	13.7%	11.9%	15.8%	14.5%	50th	195th of 347
Residents under 18	21.6%	26.4%	24.2%	22%	45th	228th of 347
Median home value	$292,500	$163,000	$257,400	$332,700	42nd	39th of 302
Median earnings per worker	$44,821	$49,701	$46,539	$49,666	39th	186th of 345
Poverty rate	8.7%	12.2%	11.9%	12.5%	36th	178th of 344
Income inequality (Gini)	0.410	0.434	0.449	0.483	29th	177th of 343
Healthcare workers	7.6%	12.4%	10.5%	9.7%	22nd	171st of 347
Average commuteStrength	21.5 min	17.2 min	17.8 min	26.4 min	20th	134th of 330
Self-employed workers	6.9%	21.2%	12.1%	10%	18th	310th of 347
Broadband accessWeakness	85.6%	86.7%	89.6%	91%	14th	218th of 344
Bachelor's degree or higherWeakness	16.3%	28.8%	31.9%	35.7%	12th	281st of 346
Uninsured rateStrength	1.7%	5.1%	9%	8.4%	4th	312th of 347
Work from home	2.6%	8.1%	9.7%	15.1%	2nd	311th of 347
Population	231	7,404	907,428	334,922,499	1st	292nd of 347
Population density	3/sq mi	9/sq mi	12/sq mi	95/sq mi	1st	223rd of 347
Unemployment rateStrength	0%	1.6%	2.9%	5.2%	1st	290th of 347
Diversity index	3.4	17.2	35.4	61.4	1st	301st of 347
Foreign-born residents	0%	1.9%	4%	14.1%	1st	287th of 347
Tech workers	0%	1.8%	2.3%	3.8%	1st	263rd 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

13%

Under 5

5–17

18–24

12%

25–34

35–44

16%

45–54

21%

55–64

12%

65–74

75+

Median age

46.9

Under 18

21.6%

65 and over

19.9%

Race and ethnicity

White98%
Black0%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial2%

Diversity index

3.4

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

86.6%

Language spoken at home (households)

English only

100%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 111
Average household size: 2.1
Family households: 64.9%
Married couples: 64.9%
Living alone: 35.1%
Veterans (of adults): 8.8%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

20%

$25–50k

15%

$50–75k

$75–100k

$100–150k

37%

$150–200k

10%

$200k+

Median household income

57331

$101,406

Hutchinson Co.

$73,977

South Dakota

$75,081

United States

$80,734

Per capita income

$45,012

U.S. $44,673

Poverty rate

8.7%

U.S. 12.5%

Households earning $150K+

17.1%

U.S. 23%

Income inequality (Gini)

0.410

U.S. 0.483

Housing

Median home value

57331

$292,500

Hutchinson Co.

$163,000

South Dakota

$257,400

United States

$332,700

Median gross rent

57331

—

Hutchinson Co.

$727

South Dakota

$946

United States

$1,413

Types of housing

Single-family

89%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 121
Owner-occupied: 74.8%
Vacant: 8.3%
Median year built: 1986
Median rooms: 6.6
Renters paying 30%+ of income: 90.9%
Renters paying 50%+ of income: 86.4%
Home value to income: 2.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

80%

Carpooled

Transit

Walked

12%

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

26%

10–19

13%

20–29

27%

30–44

26%

45–59

60+

Average commute

21.5 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

71.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

26%

Sales

18%

Transportation and moving

16%

Business and finance

13%

Healthcare

Office and admin

Legal and social services

Construction and repair

Cleaning and personal care

Education

Production

Computer and math

Engineering and science

Arts, media and sports

Police and fire

Food service

Farming, fishing and forestry

Industries

Manufacturing

23%

Agriculture and mining

18%

Retail

17%

Health care and social assistance

11%

Public administration

Finance, insurance and real estate

Transportation, warehousing and utilities

Construction

Education

Other services

Professional and technical services

0.8%

Restaurants and hotels

Admin, support and management

Wholesale

Information

Arts and recreation

Median earnings per worker

$44,821

U.S. $49,666

Self-employed

6.9%

U.S. 10%

Government workers

13.7%

U.S. 14.5%

Nonprofit workers

17.6%

U.S. 8.8%

Median earnings by type of work

Type of work	57331	U.S.
Management, business, science and arts	$42,813	$74,888
Service	$33,750	$26,804
Sales and office	$67,500	$40,476
Construction and maintenance	$66,875	$49,199
Production and transportation	$102,708	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

47%

Some college

18%

Associate's

19%

Bachelor's

15%

Graduate

High school graduate or higher: 100%
Bachelor's degree or higher: 16.3%
Graduate or professional degree: 1.7%
Households with broadband: 85.6%
Cable, fiber or DSL: 74.8%
No internet access: 14.4%
Without health insurance: 1.7%
Limited-English households: 0%

Geography

City (USPS): Dimock
State: South Dakota
County: Hutchinson County
Center point: 43.4744° N, 98.0448° W
Land area: 68 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

57331 spans 3 counties

Hutchinson County66% of land
Douglas County23% of land
Davison County11% of land

Zip codes near 57331

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57334	Ethan, SD	4.9 mi	1,081	$62,167	$206,500
57366	Parkston, SD	7.6 mi	2,598	$78,155	$184,600
57330	Delmont, SD	16 mi	594	$71,563	$143,800
57301	Mitchell, SD	16 mi	19,104	$65,620	$208,200
57363	Mount Vernon, SD	18 mi	866	$77,841	$203,300
57376	Tripp, SD	18 mi	944	$61,538	$102,500
57311	Alexandria, SD	19 mi	1,389	$103,839	$186,800
57313	Armour, SD	20 mi	1,220	$89,107	$117,300
57328	Corsica, SD	20 mi	1,290	$86,985	$211,400
57332	Emery, SD	20 mi	903	$69,583	$160,700
57052	Olivet, SD	21 mi	478	$118,750	—
57354	Kaylor, SD	22 mi	86	—	$74,400

Questions about 57331

What city is zip code 57331?

57331 is assigned to Dimock, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57331 in?

57331 is mostly in Hutchinson County, but it extends into 2 other counties.

What is the population of 57331?

About 231 people live in 57331, according to the Census Bureau's American Community Survey.

What time zone is 57331 in?

57331 is in Central Time.

What is the median household income in 57331?

The median household income in 57331 is $101,406.

What zip codes are near 57331?

The closest zip codes to 57331 are 57334, 57366, 57330, 57301, 57363.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57331, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.