Zip code 57365: Oacoma, South Dakota

Q: What city is zip code 57365?

57365 is assigned to Oacoma, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57365 in?

57365 is in Lyman County, South Dakota.

Q: What is the population of 57365?

About 599 people live in 57365, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57365?

The median household income in 57365 is $76,000.

Q: What zip codes are near 57365?

The closest zip codes to 57365 are 57326, 57325, 57569, 57370, 57534.

Residential delivery areaLyman CountyCentral Time

Population

599

Median household income

$76K

U.S. $81K

Median home value

$218K

U.S. $333K

Median rent

$883/mo

U.S. $1,413

Median age

41.2

U.S. 38.9

Land area

62 sq mi

10 people/sq mi

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

About 57365

57365 is a rural zip code in Oacoma, South Dakota (Lyman County), covering 62 sq mi of land. About 599 people live here, or 10 per square mile. The median resident is 41.2 years old, compared with 38.9 nationally.

The median household earns $76,000 a year, close to the national median of $80,734. 7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $218,400, or 2.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 80% of occupied homes are lived in by their owners, and renters pay a median of $883 a month.

24% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 14.5 minutes each way, and 8% of workers work from home. The most common jobs among working residents are in management; cleaning and personal care; and sales. 16% of them are self-employed (U.S.: 10%).

How 57365 compares

Sorted from highest to lowest national percentile

Housing vacancy20.7%
94th
U.S. 10.1% · SD 10.5%109th of 344 in SD
Residents 65 and older26.4%
94th
U.S. 17.2% · SD 18%86th of 347 in SD
Self-employed workers16.4%
94th
U.S. 10% · SD 12.1%191st of 347 in SD
Government workers24.3%
94th
U.S. 14.5% · SD 15.8%79th of 347 in SD
Veterans11.4%
93rd
U.S. 6.2% · SD 7.9%52nd of 347 in SD
Income inequality (Gini)0.509
91st
WeaknessU.S. 0.483 · SD 0.44932nd of 343 in SD
Uninsured rate13.1%
84th
WeaknessU.S. 8.4% · SD 9%79th of 347 in SD
Per capita income$56,943
82nd
StrengthU.S. $44,673 · SD $40,55026th of 347 in SD
Homeownership rate79.5%
77th
U.S. 65.2% · SD 68.6%171st of 344 in SD
Median age41.2
66th
U.S. 38.9 · SD 38174th of 347 in SD
Unemployment rate5.8%
65th
U.S. 5.2% · SD 2.9%52nd of 347 in SD
Residents under 1823.2%
60th
U.S. 22% · SD 24.2%193rd of 347 in SD
Median earnings per worker$49,167
53rd
U.S. $49,666 · SD $46,539108th of 345 in SD
Median household income$76,000
45th
U.S. $80,734 · SD $75,081152nd of 327 in SD
Broadband access89.8%
33rd
U.S. 91% · SD 89.6%133rd of 344 in SD
Bachelor's degree or higher23.6%
30th
U.S. 35.7% · SD 31.9%192nd of 346 in SD
Median home value$218,400
25th
U.S. $332,700 · SD $257,400102nd of 302 in SD
Poverty rate7%
25th
U.S. 12.5% · SD 11.9%211th of 344 in SD
Work from home7.7%
20th
U.S. 15.1% · SD 9.7%217th of 347 in SD
Median gross rent$883
12th
U.S. $1,413 · SD $94675th of 243 in SD
Foreign-born residents1.7%
10th
U.S. 14.1% · SD 4%111th of 347 in SD
Diversity index7.5
2nd
U.S. 61.4 · SD 35.4271st of 347 in SD
Rent-burdened renters23.4%
2nd
StrengthU.S. 51.1% · SD 39.8%192nd of 313 in SD
Population599
1st
U.S. 334,922,499 · SD 907,428187th of 347 in SD
Population density10/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi112th of 347 in SD
Average commute14.5 min
1st
StrengthU.S. 26.4 min · SD 17.8 min269th of 330 in SD
Tech workers0%
1st
U.S. 3.8% · SD 2.3%283rd of 347 in SD
Healthcare workers2.4%
1st
U.S. 9.7% · SD 10.5%276th of 347 in SD

Measure	57365	Lyman	SD	U.S.	National percentile	Rank in SD
Housing vacancy	20.7%	23.5%	10.5%	10.1%	94th	109th of 344
Residents 65 and older	26.4%	18.3%	18%	17.2%	94th	86th of 347
Self-employed workers	16.4%	16.2%	12.1%	10%	94th	191st of 347
Government workers	24.3%	34.3%	15.8%	14.5%	94th	79th of 347
Veterans	11.4%	5.1%	7.9%	6.2%	93rd	52nd of 347
Income inequality (Gini)Weakness	0.509	0.505	0.449	0.483	91st	32nd of 343
Uninsured rateWeakness	13.1%	21.3%	9%	8.4%	84th	79th of 347
Per capita incomeStrength	$56,943	$37,079	$40,550	$44,673	82nd	26th of 347
Homeownership rate	79.5%	69.9%	68.6%	65.2%	77th	171st of 344
Median age	41.2	36.1	38	38.9	66th	174th of 347
Unemployment rate	5.8%	4%	2.9%	5.2%	65th	52nd of 347
Residents under 18	23.2%	28%	24.2%	22%	60th	193rd of 347
Median earnings per worker	$49,167	$47,730	$46,539	$49,666	53rd	108th of 345
Median household income	$76,000	$67,143	$75,081	$80,734	45th	152nd of 327
Broadband access	89.8%	82.4%	89.6%	91%	33rd	133rd of 344
Bachelor's degree or higher	23.6%	24.5%	31.9%	35.7%	30th	192nd of 346
Median home value	$218,400	$165,800	$257,400	$332,700	25th	102nd of 302
Poverty rate	7%	23.7%	11.9%	12.5%	25th	211th of 344
Work from home	7.7%	11.2%	9.7%	15.1%	20th	217th of 347
Median gross rent	$883	$651	$946	$1,413	12th	75th of 243
Foreign-born residents	1.7%	0.6%	4%	14.1%	10th	111th of 347
Diversity index	7.5	51.9	35.4	61.4	2nd	271st of 347
Rent-burdened rentersStrength	23.4%	24.4%	39.8%	51.1%	2nd	192nd of 313
Population	599	3,724	907,428	334,922,499	1st	187th of 347
Population density	10/sq mi	2/sq mi	12/sq mi	95/sq mi	1st	112th of 347
Average commuteStrength	14.5 min	15.8 min	17.8 min	26.4 min	1st	269th of 330
Tech workers	0%	0.4%	2.3%	3.8%	1st	283rd of 347
Healthcare workers	2.4%	3.4%	10.5%	9.7%	1st	276th 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

15%

5–17

18–24

14%

25–34

13%

35–44

45–54

13%

55–64

15%

65–74

12%

75+

Median age

41.2

Under 18

23.2%

65 and over

26.4%

Race and ethnicity

White96%
Black0%
Hispanic2%
Asian0%
Native American2%
Pacific Islander0%
Other0%
Multiracial0%

Diversity index

7.5

U.S. 61.4

Foreign-born

1.7%

U.S. 14.1%

Born in state

73.5%

Language spoken at home (households)

English only

99%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 264
Average household size: 2.3
Family households: 62.9%
Married couples: 49.2%
Living alone: 34.8%
Veterans (of adults): 11.4%
Male / female: 59% / 41%

Income and poverty

Household income distribution

<$25k

13%

$25–50k

20%

$50–75k

16%

$75–100k

18%

$100–150k

17%

$150–200k

$200k+

10%

Median household income

57365

$76,000

Lyman Co.

$67,143

South Dakota

$75,081

United States

$80,734

Per capita income

$56,943

U.S. $44,673

Poverty rate

U.S. 12.5%

Households earning $150K+

16.3%

U.S. 23%

Income inequality (Gini)

0.509

U.S. 0.483

Housing

Median home value

57365

$218,400

Lyman Co.

$165,800

South Dakota

$257,400

United States

$332,700

Median gross rent

57365

$883

Lyman Co.

$651

South Dakota

$946

United States

$1,413

Types of housing

Single-family

74%

2–4 units

5–19 units

11%

20+ units

Mobile home

13%

Boat, RV, van

Housing units: 333
Owner-occupied: 79.5%
Vacant: 20.7%
Median year built: 1993
Median rooms: 6.1
Renters paying 30%+ of income: 23.4%
Renters paying 50%+ of income: 23.4%
Home value to income: 2.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

75%

Carpooled

13%

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

21%

10–19

57%

20–29

30–44

10%

45–59

60+

Average commute

14.5 min

U.S. 26.4 min

Unemployment

5.8%

U.S. 5.2%

In labor force

65.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

21%

Cleaning and personal care

15%

Sales

14%

Office and admin

12%

Construction and repair

10%

Business and finance

Food service

Farming, fishing and forestry

Transportation and moving

Education

Legal and social services

Healthcare

Arts, media and sports

Production

Engineering and science

0.7%

Police and fire

0.7%

Computer and math

Industries

Education

18%

Retail

14%

Agriculture and mining

14%

Finance, insurance and real estate

11%

Restaurants and hotels

11%

Construction

Public administration

Manufacturing

Health care and social assistance

Other services

Information

Professional and technical services

Admin, support and management

Transportation, warehousing and utilities

Wholesale

Arts and recreation

Median earnings per worker

$49,167

U.S. $49,666

Self-employed

16.4%

U.S. 10%

Government workers

24.3%

U.S. 14.5%

Nonprofit workers

10.3%

U.S. 8.8%

Median earnings by type of work

Type of work	57365	U.S.
Management, business, science and arts	$66,806	$74,888
Service	$25,341	$26,804
Sales and office	$54,000	$40,476
Construction and maintenance	$52,750	$49,199
Production and transportation	$30,625	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

43%

Some college

14%

Associate's

13%

Bachelor's

16%

Graduate

High school graduate or higher: 94%
Bachelor's degree or higher: 23.6%
Graduate or professional degree: 7.1%
Households with broadband: 89.8%
Cable, fiber or DSL: 70.5%
No internet access: 10.2%
Without health insurance: 13.1%
Limited-English households: 1.1%

Geography

City (USPS): Oacoma
State: South Dakota
County: Lyman County
Center point: 43.8113° N, 99.4164° W
Land area: 62 sq mi
Water area: 9.5 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Oacoma4% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 57365

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57326	Chamberlain, SD · PO box	4.3 mi	—	—	—
57325	Chamberlain, SD	5.5 mi	3,335	$80,139	$230,300
57569	Reliance, SD	7.6 mi	497	$74,722	$124,200
57370	Pukwana, SD	12 mi	894	$58,824	$180,200
57534	Hamill, SD	21 mi	130	$33,438	$113,500
57544	Kennebec, SD	22 mi	421	$78,750	$141,700
57339	Fort Thompson, SD	22 mi	1,390	$46,136	$121,700
57355	Kimball, SD	24 mi	1,120	$63,125	$144,200
57341	Gann Valley, SD	25 mi	79	—	—
57548	Lower Brule, SD	26 mi	1,442	$35,750	$33,900
57541	Ideal, SD	29 mi	163	$250,000+	$577,600
57346	Stephan, SD	30 mi	13	—	—

Questions about 57365

What city is zip code 57365?

57365 is assigned to Oacoma, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57365 in?

57365 is in Lyman County, South Dakota.

What is the population of 57365?

About 599 people live in 57365, according to the Census Bureau's American Community Survey.

What time zone is 57365 in?

57365 is in Central Time.

What is the median household income in 57365?

The median household income in 57365 is $76,000.

What zip codes are near 57365?

The closest zip codes to 57365 are 57326, 57325, 57569, 57370, 57534.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57365, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.