Zip code 57330: Delmont, South Dakota

Q: What city is zip code 57330?

57330 is assigned to Delmont, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57330 in?

57330 is mostly in Douglas County, but it extends into 2 other counties.

Q: What is the population of 57330?

About 594 people live in 57330, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57330?

The median household income in 57330 is $71,563.

Q: What zip codes are near 57330?

The closest zip codes to 57330 are 57313, 57376, 57366, 57331, 57354.

Residential delivery areaDouglas CountyCentral Time

Population

594

Median household income

$72K

U.S. $81K

Median home value

$144K

U.S. $333K

Median rent

$618/mo

U.S. $1,413

Median age

40.1

U.S. 38.9

Land area

116 sq mi

5 people/sq mi

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

About 57330

57330 is a rural zip code in Delmont, South Dakota (Douglas County), covering 116 sq mi of land. About 594 people live here, or 5 per square mile. The median resident is 40.1 years old, compared with 38.9 nationally.

The median household earns $71,563 a year, close to the national median of $80,734. 23.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $143,800, or 2.0 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 87% of occupied homes are lived in by their owners, and renters pay a median of $618 a month.

41% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 19.8 minutes each way, and 10% of workers work from home. The most common jobs among working residents are in cleaning and personal care; management; and healthcare. 25% of them are self-employed (U.S.: 10%).

How 57330 compares

Sorted from highest to lowest national percentile

Self-employed workers24.6%
99th
U.S. 10% · SD 12.1%109th of 347 in SD
Healthcare workers17.4%
98th
U.S. 9.7% · SD 10.5%22nd of 347 in SD
Residents under 1830.8%
97th
U.S. 22% · SD 24.2%79th of 347 in SD
Residents 65 and older29.5%
96th
U.S. 17.2% · SD 18%55th of 347 in SD
Government workers24.6%
94th
U.S. 14.5% · SD 15.8%76th of 347 in SD
Homeownership rate86.5%
91st
StrengthU.S. 65.2% · SD 68.6%100th of 344 in SD
Poverty rate23.5%
90th
WeaknessU.S. 12.5% · SD 11.9%48th of 344 in SD
Housing vacancy15.8%
88th
U.S. 10.1% · SD 10.5%163rd of 344 in SD
Veterans7.8%
75th
U.S. 6.2% · SD 7.9%133rd of 347 in SD
Income inequality (Gini)0.466
73rd
U.S. 0.483 · SD 0.44976th of 343 in SD
Uninsured rate9.4%
68th
U.S. 8.4% · SD 9%124th of 347 in SD
Bachelor's degree or higher40.8%
67th
U.S. 35.7% · SD 31.9%33rd of 346 in SD
Median age40.1
58th
U.S. 38.9 · SD 38191st of 347 in SD
Median earnings per worker$45,188
41st
U.S. $49,666 · SD $46,539178th of 345 in SD
Median household income$71,563
38th
U.S. $80,734 · SD $75,081189th of 327 in SD
Work from home10.1%
35th
U.S. 15.1% · SD 9.7%172nd of 347 in SD
Broadband access88.3%
25th
U.S. 91% · SD 89.6%164th of 344 in SD
Per capita income$29,329
17th
WeaknessU.S. $44,673 · SD $40,550280th of 347 in SD
Average commute19.8 min
12th
StrengthU.S. 26.4 min · SD 17.8 min175th of 330 in SD
Median home value$143,800
8th
U.S. $332,700 · SD $257,400201st of 302 in SD
Diversity index10.7
4th
U.S. 61.4 · SD 35.4235th of 347 in SD
Population594
1st
U.S. 334,922,499 · SD 907,428190th of 347 in SD
Population density5/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi177th of 347 in SD
Median gross rent$618
1st
U.S. $1,413 · SD $946189th of 243 in SD
Unemployment rate0.5%
1st
StrengthU.S. 5.2% · SD 2.9%209th of 347 in SD
Foreign-born residents0%
1st
U.S. 14.1% · SD 4%266th of 347 in SD
Rent-burdened renters4.8%
1st
StrengthU.S. 51.1% · SD 39.8%256th of 313 in SD
Tech workers0%
1st
U.S. 3.8% · SD 2.3%234th of 347 in SD

Measure	57330	Douglas	SD	U.S.	National percentile	Rank in SD
Self-employed workers	24.6%	25.1%	12.1%	10%	99th	109th of 347
Healthcare workers	17.4%	10.8%	10.5%	9.7%	98th	22nd of 347
Residents under 18	30.8%	25.5%	24.2%	22%	97th	79th of 347
Residents 65 and older	29.5%	24.5%	18%	17.2%	96th	55th of 347
Government workers	24.6%	18.7%	15.8%	14.5%	94th	76th of 347
Homeownership rateStrength	86.5%	76.7%	68.6%	65.2%	91st	100th of 344
Poverty rateWeakness	23.5%	11%	11.9%	12.5%	90th	48th of 344
Housing vacancy	15.8%	14.9%	10.5%	10.1%	88th	163rd of 344
Veterans	7.8%	7.4%	7.9%	6.2%	75th	133rd of 347
Income inequality (Gini)	0.466	0.455	0.449	0.483	73rd	76th of 343
Uninsured rate	9.4%	16%	9%	8.4%	68th	124th of 347
Bachelor's degree or higher	40.8%	24.9%	31.9%	35.7%	67th	33rd of 346
Median age	40.1	42	38	38.9	58th	191st of 347
Median earnings per worker	$45,188	$45,786	$46,539	$49,666	41st	178th of 345
Median household income	$71,563	$86,442	$75,081	$80,734	38th	189th of 327
Work from home	10.1%	7.1%	9.7%	15.1%	35th	172nd of 347
Broadband access	88.3%	86.5%	89.6%	91%	25th	164th of 344
Per capita incomeWeakness	$29,329	$43,158	$40,550	$44,673	17th	280th of 347
Average commuteStrength	19.8 min	19.6 min	17.8 min	26.4 min	12th	175th of 330
Median home value	$143,800	$166,900	$257,400	$332,700	8th	201st of 302
Diversity index	10.7	15.5	35.4	61.4	4th	235th of 347
Population	594	2,828	907,428	334,922,499	1st	190th of 347
Population density	5/sq mi	7/sq mi	12/sq mi	95/sq mi	1st	177th of 347
Median gross rent	$618	$877	$946	$1,413	1st	189th of 243
Unemployment rateStrength	0.5%	0.5%	2.9%	5.2%	1st	209th of 347
Foreign-born residents	0%	3%	4%	14.1%	1st	266th of 347
Rent-burdened rentersStrength	4.8%	33%	39.8%	51.1%	1st	256th of 313
Tech workers	0%	0.7%	2.3%	3.8%	1st	234th 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

Under 5

27%

5–17

18–24

25–34

13%

35–44

45–54

11%

55–64

11%

65–74

18%

75+

Median age

40.1

Under 18

30.8%

65 and over

29.5%

Race and ethnicity

White94%
Black0%
Hispanic1%
Asian0%
Native American0.8%
Pacific Islander0%
Other0%
Multiracial3%

Diversity index

10.7

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

80%

Language spoken at home (households)

English only

96%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 171
Average household size: 2.9
Family households: 71.9%
Married couples: 64.9%
Living alone: 26.3%
Veterans (of adults): 7.8%
Male / female: 44% / 56%

Income and poverty

Household income distribution

<$25k

25%

$25–50k

19%

$50–75k

$75–100k

10%

$100–150k

20%

$150–200k

$200k+

12%

Median household income

57330

$71,563

Douglas Co.

$86,442

South Dakota

$75,081

United States

$80,734

Per capita income

$29,329

U.S. $44,673

Poverty rate

23.5%

U.S. 12.5%

Households earning $150K+

19.3%

U.S. 23%

Income inequality (Gini)

0.466

U.S. 0.483

Housing

Median home value

57330

$143,800

Douglas Co.

$166,900

South Dakota

$257,400

United States

$332,700

Median gross rent

57330

$618

Douglas Co.

$877

South Dakota

$946

United States

$1,413

Types of housing

Single-family

98%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 203
Owner-occupied: 86.5%
Vacant: 15.8%
Median year built: 1945
Median rooms: 7.3
Renters paying 30%+ of income: 4.8%
Renters paying 50%+ of income: 4.8%
Home value to income: 2.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

76%

Carpooled

Transit

Walked

13%

Bicycle

Worked from home

10%

Other

Commute time (one way)

<10 min

23%

10–19

29%

20–29

26%

30–44

17%

45–59

60+

Average commute

19.8 min

U.S. 26.4 min

Unemployment

0.5%

U.S. 5.2%

In labor force

47.7%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Cleaning and personal care

18%

Management

18%

Healthcare

17%

Education

14%

Construction and repair

10%

Farming, fishing and forestry

Transportation and moving

Sales

Production

Police and fire

Office and admin

Engineering and science

Arts, media and sports

Legal and social services

Food service

0.5%

Business and finance

Computer and math

Industries

Health care and social assistance

22%

Agriculture and mining

19%

Construction

14%

Education

13%

Public administration

10%

Arts and recreation

Retail

Other services

Professional and technical services

Manufacturing

Transportation, warehousing and utilities

0.5%

Wholesale

0.5%

Restaurants and hotels

Finance, insurance and real estate

Admin, support and management

Information

Median earnings per worker

$45,188

U.S. $49,666

Self-employed

24.6%

U.S. 10%

Government workers

24.6%

U.S. 14.5%

Nonprofit workers

16.4%

U.S. 8.8%

Median earnings by type of work

Type of work	57330	U.S.
Management, business, science and arts	$67,143	$74,888
Service	$12,396	$26,804
Sales and office	$43,438	$40,476
Construction and maintenance	$30,714	$49,199
Production and transportation	$36,250	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

22%

Some college

24%

Associate's

Bachelor's

27%

Graduate

14%

High school graduate or higher: 95.2%
Bachelor's degree or higher: 40.8%
Graduate or professional degree: 13.7%
Households with broadband: 88.3%
Cable, fiber or DSL: 78.4%
No internet access: 9.9%
Without health insurance: 9.4%
Limited-English households: 0%

Geography

City (USPS): Delmont
State: South Dakota
County: Douglas County
Center point: 43.2645° N, 98.1577° W
Land area: 116 sq mi
Water area: 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

57330 spans 3 counties

Douglas County61% of land
Charles Mix County26% of land
Hutchinson County13% of land

Zip codes near 57330

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57313	Armour, SD	10 mi	1,220	$89,107	$117,300
57376	Tripp, SD	11 mi	944	$61,538	$102,500
57366	Parkston, SD	14 mi	2,598	$78,155	$184,600
57331	Dimock, SD	16 mi	231	$101,406	$292,500
57354	Kaylor, SD	17 mi	86	—	$74,400
57380	Wagner, SD	18 mi	3,316	$62,135	$157,600
57328	Corsica, SD	19 mi	1,290	$86,985	$211,400
57329	Dante, SD	20 mi	317	$62,115	$153,100
57356	Lake Andes, SD	20 mi	1,959	$54,107	$113,900
57315	Avon, SD	20 mi	1,094	$73,750	$169,600
57334	Ethan, SD	20 mi	1,081	$62,167	$206,500
57367	Pickstown, SD	22 mi	291	$87,188	$287,500

Questions about 57330

What city is zip code 57330?

57330 is assigned to Delmont, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57330 in?

57330 is mostly in Douglas County, but it extends into 2 other counties.

What is the population of 57330?

About 594 people live in 57330, according to the Census Bureau's American Community Survey.

What time zone is 57330 in?

57330 is in Central Time.

What is the median household income in 57330?

The median household income in 57330 is $71,563.

What zip codes are near 57330?

The closest zip codes to 57330 are 57313, 57376, 57366, 57331, 57354.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57330, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.