Zip code 57051: Oldham, South Dakota

Q: What city is zip code 57051?

57051 is assigned to Oldham, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57051 in?

57051 is mostly in Kingsbury County, but it extends into 2 other counties.

Q: What is the population of 57051?

About 163 people live in 57051, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57051?

The median household income in 57051 is $56,250.

Q: What zip codes are near 57051?

The closest zip codes to 57051 are 57054, 57249, 57061, 57212, 57231.

Residential delivery areaKingsbury CountyCentral Time

Population

163

Small sample: rough estimates

Median household income

$56K

U.S. $81K

Median home value

$113K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

60.1

U.S. 38.9

Land area

79 sq mi

2 people/sq mi

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

About 57051

57051 is a rural zip code in Oldham, South Dakota (Kingsbury County), covering 79 sq mi of land. About 163 people live here, or 2 per square mile. The median resident is 60.1 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 $56,250 a year, 30% below the national median of $80,734. 8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $112,500, or 2.0 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 96% of occupied homes are lived in by their owners.

26% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 27.7 minutes each way, and 22% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and production and manufacturing. 32% of them are self-employed (U.S.: 10%).

How 57051 compares

Sorted from highest to lowest national percentile

Only about 163 people live here, so these survey estimates have wide margins of error.

Median age60.1
99th
U.S. 38.9 · SD 3818th of 347 in SD
Homeownership rate95.8%
99th
StrengthU.S. 65.2% · SD 68.6%24th of 344 in SD
Self-employed workers31.8%
99th
U.S. 10% · SD 12.1%68th of 347 in SD
Veterans14.9%
98th
U.S. 6.2% · SD 7.9%23rd of 347 in SD
Residents 65 and older34.4%
98th
U.S. 17.2% · SD 18%26th of 347 in SD
Housing vacancy26.4%
97th
U.S. 10.1% · SD 10.5%66th of 344 in SD
Work from home22.4%
83rd
U.S. 15.1% · SD 9.7%59th of 347 in SD
Per capita income$50,626
73rd
U.S. $44,673 · SD $40,55048th of 347 in SD
Income inequality (Gini)0.465
73rd
U.S. 0.483 · SD 0.44977th of 343 in SD
Average commute27.7 min
61st
U.S. 26.4 min · SD 17.8 min44th of 330 in SD
Government workers15.3%
61st
U.S. 14.5% · SD 15.8%170th of 347 in SD
Broadband access91.6%
45th
U.S. 91% · SD 89.6%104th of 344 in SD
Median earnings per worker$46,563
45th
U.S. $49,666 · SD $46,539155th of 345 in SD
Unemployment rate4.5%
43rd
U.S. 5.2% · SD 2.9%71st of 347 in SD
Bachelor's degree or higher26.4%
37th
U.S. 35.7% · SD 31.9%146th of 346 in SD
Poverty rate8%
32nd
U.S. 12.5% · SD 11.9%195th of 344 in SD
Median household income$56,250
15th
WeaknessU.S. $80,734 · SD $75,081282nd of 327 in SD
Diversity index16
9th
U.S. 61.4 · SD 35.4181st of 347 in SD
Foreign-born residents1.2%
7th
U.S. 14.1% · SD 4%141st of 347 in SD
Healthcare workers5.9%
7th
U.S. 9.7% · SD 10.5%212th of 347 in SD
Median home value$112,500
4th
U.S. $332,700 · SD $257,400244th of 302 in SD
Residents under 189.2%
2nd
U.S. 22% · SD 24.2%322nd of 347 in SD
Population163
1st
U.S. 334,922,499 · SD 907,428322nd of 347 in SD
Population density2/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi268th of 347 in SD
Uninsured rate0%
1st
StrengthU.S. 8.4% · SD 9%336th of 347 in SD
Rent-burdened renters0%
1st
StrengthU.S. 51.1% · SD 39.8%292nd of 313 in SD
Tech workers0%
1st
U.S. 3.8% · SD 2.3%274th of 347 in SD

Measure	57051	Kingsbury	SD	U.S.	National percentile	Rank in SD
Median age	60.1	42.1	38	38.9	99th	18th of 347
Homeownership rateStrength	95.8%	82.1%	68.6%	65.2%	99th	24th of 344
Self-employed workers	31.8%	18%	12.1%	10%	99th	68th of 347
Veterans	14.9%	6.7%	7.9%	6.2%	98th	23rd of 347
Residents 65 and older	34.4%	23.1%	18%	17.2%	98th	26th of 347
Housing vacancy	26.4%	20.7%	10.5%	10.1%	97th	66th of 344
Work from home	22.4%	8.5%	9.7%	15.1%	83rd	59th of 347
Per capita income	$50,626	$37,027	$40,550	$44,673	73rd	48th of 347
Income inequality (Gini)	0.465	0.397	0.449	0.483	73rd	77th of 343
Average commute	27.7 min	20.8 min	17.8 min	26.4 min	61st	44th of 330
Government workers	15.3%	12.1%	15.8%	14.5%	61st	170th of 347
Broadband access	91.6%	89.8%	89.6%	91%	45th	104th of 344
Median earnings per worker	$46,563	$45,602	$46,539	$49,666	45th	155th of 345
Unemployment rate	4.5%	1%	2.9%	5.2%	43rd	71st of 347
Bachelor's degree or higher	26.4%	23.1%	31.9%	35.7%	37th	146th of 346
Poverty rate	8%	10.6%	11.9%	12.5%	32nd	195th of 344
Median household incomeWeakness	$56,250	$74,000	$75,081	$80,734	15th	282nd of 327
Diversity index	16	16.4	35.4	61.4	9th	181st of 347
Foreign-born residents	1.2%	1%	4%	14.1%	7th	141st of 347
Healthcare workers	5.9%	10.5%	10.5%	9.7%	7th	212th of 347
Median home value	$112,500	$169,500	$257,400	$332,700	4th	244th of 302
Residents under 18	9.2%	25.1%	24.2%	22%	2nd	322nd of 347
Population	163	5,244	907,428	334,922,499	1st	322nd of 347
Population density	2/sq mi	6/sq mi	12/sq mi	95/sq mi	1st	268th of 347
Uninsured rateStrength	0%	5.3%	9%	8.4%	1st	336th of 347
Rent-burdened rentersStrength	0%	47.9%	39.8%	51.1%	1st	292nd of 313
Tech workers	0%	0.7%	2.3%	3.8%	1st	274th 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

5–17

18–24

25–34

35–44

45–54

31%

55–64

20%

65–74

15%

75+

Median age

60.1

Under 18

9.2%

65 and over

34.4%

Race and ethnicity

White91%
Black0%
Hispanic3%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial6%

Diversity index

U.S. 61.4

Foreign-born

1.2%

U.S. 14.1%

Born in state

68.1%

Language spoken at home (households)

English only

97%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 95
Average household size: 1.7
Family households: 46.3%
Married couples: 43.2%
Living alone: 53.7%
Veterans (of adults): 14.9%
Male / female: 52% / 48%

Income and poverty

Household income distribution

<$25k

17%

$25–50k

31%

$50–75k

12%

$75–100k

15%

$100–150k

23%

$150–200k

$200k+

Median household income

57051

$56,250

Kingsbury Co.

$74,000

South Dakota

$75,081

United States

$80,734

Per capita income

$50,626

U.S. $44,673

Poverty rate

U.S. 12.5%

Households earning $150K+

3.2%

U.S. 23%

Income inequality (Gini)

0.465

U.S. 0.483

Housing

Median home value

57051

$112,500

Kingsbury Co.

$169,500

South Dakota

$257,400

United States

$332,700

Median gross rent

57051

—

Kingsbury Co.

$685

South Dakota

$946

United States

$1,413

Types of housing

Single-family

91%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 129
Owner-occupied: 95.8%
Vacant: 26.4%
Median year built: 1939 or earlier
Median rooms: 6.5
Renters paying 30%+ of income: 0%
Renters paying 50%+ of income: 0%
Home value to income: 2.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

75%

Carpooled

Transit

Walked

Bicycle

Worked from home

22%

Other

Commute time (one way)

<10 min

17%

10–19

11%

20–29

12%

30–44

47%

45–59

60+

Average commute

27.7 min

U.S. 26.4 min

Unemployment

4.5%

U.S. 5.2%

In labor force

60.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

24%

Office and admin

24%

Production

Transportation and moving

Engineering and science

Education

Healthcare

Business and finance

Construction and repair

Arts, media and sports

Farming, fishing and forestry

Legal and social services

Food service

Cleaning and personal care

Computer and math

Police and fire

Sales

Industries

Agriculture and mining

28%

Manufacturing

18%

Professional and technical services

13%

Education

Admin, support and management

Construction

Health care and social assistance

Public administration

Transportation, warehousing and utilities

Retail

Finance, insurance and real estate

Restaurants and hotels

Other services

Arts and recreation

Wholesale

Information

Median earnings per worker

$46,563

U.S. $49,666

Self-employed

31.8%

U.S. 10%

Government workers

15.3%

U.S. 14.5%

Nonprofit workers

2.4%

U.S. 8.8%

Median earnings by type of work

Type of work	57051	U.S.
Management, business, science and arts	$51,042	$74,888
Service	$6,250	$26,804
Sales and office	$32,083	$40,476
Construction and maintenance	—	$49,199
Production and transportation	$37,500	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

0.7%

High school

31%

Some college

15%

Associate's

26%

Bachelor's

18%

Graduate

High school graduate or higher: 99.3%
Bachelor's degree or higher: 26.4%
Graduate or professional degree: 8.6%
Households with broadband: 91.6%
Cable, fiber or DSL: 86.3%
No internet access: 7.4%
Without health insurance: 0%
Limited-English households: 0%

Geography

City (USPS): Oldham
State: South Dakota
County: Kingsbury County
Center point: 44.2174° N, 97.3507° W
Land area: 79 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

57051 spans 3 counties

Kingsbury County78% of land
Miner County18% of land
Lake County5% of land

Zip codes near 57051

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57054	Ramona, SD	8.3 mi	703	$86,875	$97,100
57249	Lake Preston, SD	12 mi	1,023	$63,182	$193,300
57061	Sinai, SD	15 mi	215	$56,875	$89,300
57212	Arlington, SD	15 mi	1,819	$93,750	$238,100
57231	De Smet, SD	16 mi	1,724	$78,646	$212,200
57050	Nunda, SD	17 mi	176	$116,563	$262,500
57076	Winfred, SD	17 mi	325	$118,281	$369,200
57349	Howard, SD	17 mi	1,513	$75,179	$153,000
57323	Carthage, SD	19 mi	126	$51,250	$70,000
57071	Volga, SD	20 mi	3,149	$77,138	$246,000
57214	Badger, SD	20 mi	162	$65,000	$70,000
57042	Madison, SD	20 mi	7,756	$71,868	$228,200

Questions about 57051

What city is zip code 57051?

57051 is assigned to Oldham, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57051 in?

57051 is mostly in Kingsbury County, but it extends into 2 other counties.

What is the population of 57051?

About 163 people live in 57051, according to the Census Bureau's American Community Survey.

What time zone is 57051 in?

57051 is in Central Time.

What is the median household income in 57051?

The median household income in 57051 is $56,250.

What zip codes are near 57051?

The closest zip codes to 57051 are 57054, 57249, 57061, 57212, 57231.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57051, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.