Zip code 57339: Fort Thompson, South Dakota

Q: What city is zip code 57339?

57339 is assigned to Fort Thompson, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57339 in?

57339 is in Buffalo County, South Dakota.

Q: What is the population of 57339?

About 1,390 people live in 57339, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57339?

The median household income in 57339 is $46,136.

Q: What zip codes are near 57339?

The closest zip codes to 57339 are 57548, 57346, 57341, 57569, 57325.

Residential delivery areaBuffalo CountyCentral Time

Population

1,390

Median household income

$46K

U.S. $81K

Median home value

$122K

U.S. $333K

Median rent

$605/mo

U.S. $1,413

Median age

21.3

U.S. 38.9

Land area

54 sq mi

26 people/sq mi

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

About 57339

57339 is a rural zip code in Fort Thompson, South Dakota (Buffalo County), covering 54 sq mi of land. About 1,390 people live here, or 26 per square mile. The median resident is 21.3 years old, compared with 38.9 nationally.

The median household earns $46,136 a year, 43% below the national median of $80,734. 36.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $121,700, or 2.6 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 44% of occupied homes are lived in by their owners, and renters pay a median of $605 a month.

7% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 10.8 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in cleaning and personal care; office and administrative support; and healthcare.

How 57339 compares

Sorted from highest to lowest national percentile

Uninsured rate45.3%
99th
WeaknessU.S. 8.4% · SD 9%7th of 347 in SD
Residents under 1841.9%
99th
U.S. 22% · SD 24.2%18th of 347 in SD
Government workers60.6%
99th
U.S. 14.5% · SD 15.8%14th of 347 in SD
Poverty rate36.3%
98th
WeaknessU.S. 12.5% · SD 11.9%30th of 344 in SD
Unemployment rate10%
94th
WeaknessU.S. 5.2% · SD 2.9%29th of 347 in SD
Veterans12%
94th
U.S. 6.2% · SD 7.9%45th of 347 in SD
Housing vacancy12.9%
82nd
U.S. 10.1% · SD 10.5%193rd of 344 in SD
Income inequality (Gini)0.468
75th
U.S. 0.483 · SD 0.44974th of 343 in SD
Healthcare workers10.9%
70th
U.S. 9.7% · SD 10.5%95th of 347 in SD
Rent-burdened renters43.5%
25th
U.S. 51.1% · SD 39.8%73rd of 313 in SD
Diversity index26.4
19th
U.S. 61.4 · SD 35.499th of 347 in SD
Work from home7.3%
18th
U.S. 15.1% · SD 9.7%228th of 347 in SD
Median earnings per worker$37,279
15th
WeaknessU.S. $49,666 · SD $46,539283rd of 345 in SD
Homeownership rate43.5%
12th
WeaknessU.S. 65.2% · SD 68.6%328th of 344 in SD
Median household income$46,136
6th
WeaknessU.S. $80,734 · SD $75,081309th of 327 in SD
Median home value$121,700
5th
U.S. $332,700 · SD $257,400226th of 302 in SD
Residents 65 and older8.7%
4th
U.S. 17.2% · SD 18%311th of 347 in SD
Population density26/sq mi
3rd
U.S. 95/sq mi · SD 12/sq mi59th of 347 in SD
Population1,390
2nd
U.S. 334,922,499 · SD 907,428106th of 347 in SD
Per capita income$14,849
1st
WeaknessU.S. $44,673 · SD $40,550327th of 347 in SD
Median gross rent$605
1st
U.S. $1,413 · SD $946194th of 243 in SD
Median age21.3
1st
U.S. 38.9 · SD 38334th of 347 in SD
Bachelor's degree or higher7.2%
1st
WeaknessU.S. 35.7% · SD 31.9%328th of 346 in SD
Average commute10.8 min
1st
StrengthU.S. 26.4 min · SD 17.8 min315th of 330 in SD
Broadband access64.8%
1st
WeaknessU.S. 91% · SD 89.6%327th of 344 in SD
Foreign-born residents0%
1st
U.S. 14.1% · SD 4%241st of 347 in SD
Tech workers0%
1st
U.S. 3.8% · SD 2.3%195th of 347 in SD
Self-employed workers1.5%
1st
U.S. 10% · SD 12.1%333rd of 347 in SD

Measure	57339	Buffalo	SD	U.S.	National percentile	Rank in SD
Uninsured rateWeakness	45.3%	43%	9%	8.4%	99th	7th of 347
Residents under 18	41.9%	39.2%	24.2%	22%	99th	18th of 347
Government workers	60.6%	47.6%	15.8%	14.5%	99th	14th of 347
Poverty rateWeakness	36.3%	33.9%	11.9%	12.5%	98th	30th of 344
Unemployment rateWeakness	10%	10.8%	2.9%	5.2%	94th	29th of 347
Veterans	12%	10.5%	7.9%	6.2%	94th	45th of 347
Housing vacancy	12.9%	12.1%	10.5%	10.1%	82nd	193rd of 344
Income inequality (Gini)	0.468	0.495	0.449	0.483	75th	74th of 343
Healthcare workers	10.9%	12.3%	10.5%	9.7%	70th	95th of 347
Rent-burdened renters	43.5%	41.3%	39.8%	51.1%	25th	73rd of 313
Diversity index	26.4	35.7	35.4	61.4	19th	99th of 347
Work from home	7.3%	12.3%	9.7%	15.1%	18th	228th of 347
Median earnings per workerWeakness	$37,279	$38,529	$46,539	$49,666	15th	283rd of 345
Homeownership rateWeakness	43.5%	52.6%	68.6%	65.2%	12th	328th of 344
Median household incomeWeakness	$46,136	$47,045	$75,081	$80,734	6th	309th of 327
Median home value	$121,700	$117,800	$257,400	$332,700	5th	226th of 302
Residents 65 and older	8.7%	9.2%	18%	17.2%	4th	311th of 347
Population density	26/sq mi	4/sq mi	12/sq mi	95/sq mi	3rd	59th of 347
Population	1,390	1,808	907,428	334,922,499	2nd	106th of 347
Per capita incomeWeakness	$14,849	$17,360	$40,550	$44,673	1st	327th of 347
Median gross rent	$605	$540	$946	$1,413	1st	194th of 243
Median age	21.3	22.8	38	38.9	1st	334th of 347
Bachelor's degree or higherWeakness	7.2%	9.9%	31.9%	35.7%	1st	328th of 346
Average commuteStrength	10.8 min	13.4 min	17.8 min	26.4 min	1st	315th of 330
Broadband accessWeakness	64.8%	68.7%	89.6%	91%	1st	327th of 344
Foreign-born residents	0%	0%	4%	14.1%	1st	241st of 347
Tech workers	0%	0%	2.3%	3.8%	1st	195th of 347
Self-employed workers	1.5%	11.6%	12.1%	10%	1st	333rd 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

16%

Under 5

26%

5–17

13%

18–24

25–34

10%

35–44

45–54

55–64

65–74

75+

Median age

21.3

Under 18

41.9%

65 and over

8.7%

Race and ethnicity

White11%
Black0%
Hispanic2%
Asian0%
Native American85%
Pacific Islander0%
Other0%
Multiracial2%

Diversity index

26.4

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

95%

Language spoken at home (households)

English only

97%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 372
Average household size: 3.7
Family households: 61.3%
Married couples: 14.2%
Living alone: 35.8%
Veterans (of adults): 12%
Male / female: 56% / 44%

Income and poverty

Household income distribution

<$25k

40%

$25–50k

14%

$50–75k

23%

$75–100k

$100–150k

11%

$150–200k

$200k+

Median household income

57339

$46,136

Buffalo Co.

$47,045

South Dakota

$75,081

United States

$80,734

Per capita income

$14,849

U.S. $44,673

Poverty rate

36.3%

U.S. 12.5%

Households earning $150K+

2.7%

U.S. 23%

Income inequality (Gini)

0.468

U.S. 0.483

Housing

Median home value

57339

$121,700

Buffalo Co.

$117,800

South Dakota

$257,400

United States

$332,700

Median gross rent

57339

$605

Buffalo Co.

$540

South Dakota

$946

United States

$1,413

Types of housing

Single-family

67%

2–4 units

5–19 units

20+ units

Mobile home

20%

Boat, RV, van

0.7%

Housing units: 427
Owner-occupied: 43.5%
Vacant: 12.9%
Median year built: 1975
Median rooms: 5.3
Renters paying 30%+ of income: 43.5%
Renters paying 50%+ of income: 27.4%
Home value to income: 2.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

86%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

62%

10–19

20–29

23%

30–44

45–59

60+

Average commute

10.8 min

U.S. 26.4 min

Unemployment

10%

U.S. 5.2%

In labor force

49.8%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Cleaning and personal care

24%

Office and admin

11%

Healthcare

11%

Construction and repair

Transportation and moving

Police and fire

Management

Sales

Education

Food service

Legal and social services

Business and finance

Engineering and science

Farming, fishing and forestry

0.3%

Computer and math

Arts, media and sports

Production

Industries

Public administration

25%

Education

21%

Health care and social assistance

14%

Finance, insurance and real estate

Arts and recreation

Construction

Admin, support and management

Restaurants and hotels

Other services

Retail

Transportation, warehousing and utilities

Agriculture and mining

Manufacturing

Professional and technical services

Wholesale

Information

Median earnings per worker

$37,279

U.S. $49,666

Self-employed

1.5%

U.S. 10%

Government workers

60.6%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	57339	U.S.
Management, business, science and arts	$66,250	$74,888
Service	$32,083	$26,804
Sales and office	$34,375	$40,476
Construction and maintenance	$41,250	$49,199
Production and transportation	$57,647	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

13%

High school

53%

Some college

15%

Associate's

11%

Bachelor's

Graduate

High school graduate or higher: 86.5%
Bachelor's degree or higher: 7.2%
Graduate or professional degree: 0%
Households with broadband: 64.8%
Cable, fiber or DSL: 21.5%
No internet access: 32%
Without health insurance: 45.3%
Limited-English households: 0%

Geography

City (USPS): Fort Thompson
State: South Dakota
County: Buffalo County
Center point: 44.1267° N, 99.4639° W
Land area: 54 sq mi
Water area: 11 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Fort Thompson (unincorporated)19% of zip

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

Zip codes near 57339

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57548	Lower Brule, SD	6.8 mi	1,442	$35,750	$33,900
57346	Stephan, SD	8.5 mi	13	—	—
57341	Gann Valley, SD	17 mi	79	—	—
57569	Reliance, SD	19 mi	497	$74,722	$124,200
57325	Chamberlain, SD	22 mi	3,335	$80,139	$230,300
57365	Oacoma, SD	22 mi	599	$76,000	$218,400
57326	Chamberlain, SD · PO box	23 mi	—	—	—
57540	Holabird, SD	24 mi	223	—	$258,300
57371	Ree Heights, SD	25 mi	238	$74,196	—
57544	Kennebec, SD	25 mi	421	$78,750	$141,700
57536	Harrold, SD	25 mi	277	$53,125	$90,000
57370	Pukwana, SD	26 mi	894	$58,824	$180,200

Zip codes like 57339 elsewhere

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

Questions about 57339

What city is zip code 57339?

57339 is assigned to Fort Thompson, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57339 in?

57339 is in Buffalo County, South Dakota.

What is the population of 57339?

About 1,390 people live in 57339, according to the Census Bureau's American Community Survey.

What time zone is 57339 in?

57339 is in Central Time.

What is the median household income in 57339?

The median household income in 57339 is $46,136.

What zip codes are near 57339?

The closest zip codes to 57339 are 57548, 57346, 57341, 57569, 57325.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57339, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.