Zip code 57633: Isabel, South Dakota

Q: What city is zip code 57633?

57633 is assigned to Isabel, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57633 in?

57633 is mostly in Corson County, but it extends into 2 other counties.

Q: What is the population of 57633?

About 445 people live in 57633, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57633?

The median household income in 57633 is $78,750.

Q: What zip codes are near 57633?

The closest zip codes to 57633 are 57656, 57660, 57644, 57634, 57636.

Residential delivery areaCorson CountyMountain Time

Population

445

Small sample: rough estimates

Median household income

$79K

U.S. $81K

Median home value

$70K

U.S. $333K

Median rent

$818/mo

U.S. $1,413

Median age

36.5

U.S. 38.9

Land area

813 sq mi

1 people/sq mi

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

About 57633

57633 is a rural zip code in Isabel, South Dakota (Corson County), covering 813 sq mi of land. About 445 people live here. The median resident is 36.5 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 $78,750 a year, close to the national median of $80,734. 7.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $70,000, or 0.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 77% of occupied homes are lived in by their owners, and renters pay a median of $818 a month.

21% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 16.5 minutes each way, and 20% of workers work from home. The most common jobs among working residents are in management; construction and repair; and sales. 23% of them are self-employed (U.S.: 10%).

How 57633 compares

Sorted from highest to lowest national percentile

Only about 445 people live here, so these survey estimates have wide margins of error.

Residents under 1834.6%
99th
U.S. 22% · SD 24.2%50th of 347 in SD
Self-employed workers23%
99th
U.S. 10% · SD 12.1%124th of 347 in SD
Housing vacancy12.4%
80th
U.S. 10.1% · SD 10.5%198th of 344 in SD
Unemployment rate6.8%
78th
U.S. 5.2% · SD 2.9%44th of 347 in SD
Work from home19.6%
76th
U.S. 15.1% · SD 9.7%73rd of 347 in SD
Government workers17.2%
73rd
U.S. 14.5% · SD 15.8%143rd of 347 in SD
Homeownership rate76.5%
70th
U.S. 65.2% · SD 68.6%205th of 344 in SD
Veterans7.2%
69th
U.S. 6.2% · SD 7.9%156th of 347 in SD
Uninsured rate9.2%
67th
U.S. 8.4% · SD 9%127th of 347 in SD
Median earnings per worker$53,000
63rd
U.S. $49,666 · SD $46,53963rd of 345 in SD
Broadband access93.4%
61st
U.S. 91% · SD 89.6%69th of 344 in SD
Median household income$78,750
48th
U.S. $80,734 · SD $75,081130th of 327 in SD
Per capita income$37,567
43rd
U.S. $44,673 · SD $40,550191st of 347 in SD
Diversity index39.5
35th
U.S. 61.4 · SD 35.453rd of 347 in SD
Median age36.5
31st
U.S. 38.9 · SD 38250th of 347 in SD
Poverty rate7.6%
29th
U.S. 12.5% · SD 11.9%200th of 344 in SD
Residents 65 and older13.5%
26th
U.S. 17.2% · SD 18%267th of 347 in SD
Income inequality (Gini)0.407
26th
U.S. 0.483 · SD 0.449183rd of 343 in SD
Bachelor's degree or higher20.9%
23rd
U.S. 35.7% · SD 31.9%222nd of 346 in SD
Healthcare workers6.9%
14th
U.S. 9.7% · SD 10.5%188th of 347 in SD
Median gross rent$818
8th
U.S. $1,413 · SD $94696th of 243 in SD
Average commute16.5 min
3rd
StrengthU.S. 26.4 min · SD 17.8 min245th of 330 in SD
Foreign-born residents0.4%
2nd
U.S. 14.1% · SD 4%203rd of 347 in SD
Population445
1st
U.S. 334,922,499 · SD 907,428220th of 347 in SD
Population density1/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi338th of 347 in SD
Median home value$70,000
1st
U.S. $332,700 · SD $257,400282nd of 302 in SD
Rent-burdened renters8%
1st
StrengthU.S. 51.1% · SD 39.8%248th of 313 in SD
Tech workers0%
1st
U.S. 3.8% · SD 2.3%229th of 347 in SD

Measure	57633	Corson	SD	U.S.	National percentile	Rank in SD
Residents under 18	34.6%	35.3%	24.2%	22%	99th	50th of 347
Self-employed workers	23%	26.9%	12.1%	10%	99th	124th of 347
Housing vacancy	12.4%	17%	10.5%	10.1%	80th	198th of 344
Unemployment rate	6.8%	23.5%	2.9%	5.2%	78th	44th of 347
Work from home	19.6%	24.2%	9.7%	15.1%	76th	73rd of 347
Government workers	17.2%	37.6%	15.8%	14.5%	73rd	143rd of 347
Homeownership rate	76.5%	59.1%	68.6%	65.2%	70th	205th of 344
Veterans	7.2%	7%	7.9%	6.2%	69th	156th of 347
Uninsured rate	9.2%	16.9%	9%	8.4%	67th	127th of 347
Median earnings per worker	$53,000	$41,341	$46,539	$49,666	63rd	63rd of 345
Broadband access	93.4%	85.1%	89.6%	91%	61st	69th of 344
Median household income	$78,750	$46,406	$75,081	$80,734	48th	130th of 327
Per capita income	$37,567	$22,830	$40,550	$44,673	43rd	191st of 347
Diversity index	39.5	46.7	35.4	61.4	35th	53rd of 347
Median age	36.5	29.9	38	38.9	31st	250th of 347
Poverty rate	7.6%	44.2%	11.9%	12.5%	29th	200th of 344
Residents 65 and older	13.5%	13.2%	18%	17.2%	26th	267th of 347
Income inequality (Gini)	0.407	0.532	0.449	0.483	26th	183rd of 343
Bachelor's degree or higher	20.9%	19%	31.9%	35.7%	23rd	222nd of 346
Healthcare workers	6.9%	6.6%	10.5%	9.7%	14th	188th of 347
Median gross rent	$818	$496	$946	$1,413	8th	96th of 243
Average commuteStrength	16.5 min	21 min	17.8 min	26.4 min	3rd	245th of 330
Foreign-born residents	0.4%	0%	4%	14.1%	2nd	203rd of 347
Population	445	3,806	907,428	334,922,499	1st	220th of 347
Population density	1/sq mi	2/sq mi	12/sq mi	95/sq mi	1st	338th of 347
Median home value	$70,000	$69,800	$257,400	$332,700	1st	282nd of 302
Rent-burdened rentersStrength	8%	28.1%	39.8%	51.1%	1st	248th of 313
Tech workers	0%	0.3%	2.3%	3.8%	1st	229th 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

25%

5–17

18–24

25–34

23%

35–44

45–54

11%

55–64

65–74

75+

Median age

36.5

Under 18

34.6%

65 and over

13.5%

Race and ethnicity

White74%
Black0.4%
Hispanic0%
Asian0%
Native American23%
Pacific Islander0%
Other0%
Multiracial2%

Diversity index

39.5

U.S. 61.4

Foreign-born

0.4%

U.S. 14.1%

Born in state

63.1%

Language spoken at home (households)

English only

97%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 183
Average household size: 2.4
Family households: 69.9%
Married couples: 55.2%
Living alone: 29.5%
Veterans (of adults): 7.2%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

10%

$25–50k

$50–75k

30%

$75–100k

13%

$100–150k

12%

$150–200k

$200k+

18%

Median household income

57633

$78,750

Corson Co.

$46,406

South Dakota

$75,081

United States

$80,734

Per capita income

$37,567

U.S. $44,673

Poverty rate

7.6%

U.S. 12.5%

Households earning $150K+

26.8%

U.S. 23%

Income inequality (Gini)

0.407

U.S. 0.483

Housing

Median home value

57633

$70,000

Corson Co.

$69,800

South Dakota

$257,400

United States

$332,700

Median gross rent

57633

$818

Corson Co.

$496

South Dakota

$946

United States

$1,413

Types of housing

Single-family

80%

2–4 units

5–19 units

20+ units

Mobile home

20%

Boat, RV, van

Housing units: 209
Owner-occupied: 76.5%
Vacant: 12.4%
Median year built: 1973
Median rooms: 6.3
Renters paying 30%+ of income: 8%
Renters paying 50%+ of income: 0%
Home value to income: 0.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

74%

Carpooled

Transit

Walked

Bicycle

Worked from home

20%

Other

Commute time (one way)

<10 min

26%

10–19

32%

20–29

25%

30–44

12%

45–59

60+

Average commute

16.5 min

U.S. 26.4 min

Unemployment

6.8%

U.S. 5.2%

In labor force

73.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

27%

Construction and repair

21%

Sales

Office and admin

Healthcare

Transportation and moving

Education

Food service

Farming, fishing and forestry

Production

Cleaning and personal care

Police and fire

Business and finance

Computer and math

Engineering and science

Legal and social services

Arts, media and sports

Industries

Agriculture and mining

24%

Health care and social assistance

14%

Retail

14%

Education

13%

Construction

Wholesale

Transportation, warehousing and utilities

Admin, support and management

Public administration

Restaurants and hotels

Other services

Finance, insurance and real estate

Professional and technical services

Manufacturing

Information

Arts and recreation

Median earnings per worker

$53,000

U.S. $49,666

Self-employed

23%

U.S. 10%

Government workers

17.2%

U.S. 14.5%

Nonprofit workers

8.3%

U.S. 8.8%

Median earnings by type of work

Type of work	57633	U.S.
Management, business, science and arts	$68,750	$74,888
Service	$29,375	$26,804
Sales and office	$96,250	$40,476
Construction and maintenance	$54,375	$49,199
Production and transportation	$30,208	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

31%

Some college

28%

Associate's

14%

Bachelor's

15%

Graduate

High school graduate or higher: 94%
Bachelor's degree or higher: 20.9%
Graduate or professional degree: 6%
Households with broadband: 93.4%
Cable, fiber or DSL: 83.6%
No internet access: 6.6%
Without health insurance: 9.2%
Limited-English households: 0%

Geography

City (USPS): Isabel
State: South Dakota
County: Corson County
Center point: 45.4416° N, 101.5324° W
Land area: 813 sq mi
Water area: 2.7 sq mi
Time zone: Mountain Time (UTC-7, UTC-6 in summer)
Zip type: Residential delivery area

57633 spans 3 counties

Corson County44% of land
Ziebach County35% of land
Dewey County21% of land

Zip codes near 57633

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57656	Timber Lake, SD	21 mi	1,000	$66,094	$86,300
57660	Watauga, SD	27 mi	111	$67,292	$86,300
57644	Meadow, SD	27 mi	388	$68,229	$229,300
57634	Keldron, SD	28 mi	131	$88,125	$151,600
57636	Lantry, SD	29 mi	104	$112,375	$108,800
57623	Dupree, SD	30 mi	902	$59,946	$86,600
57621	Bullhead, SD	32 mi	294	$32,589	—
57641	Mc Intosh, SD	33 mi	215	$83,750	$77,500
57645	Morristown, SD	33 mi	184	$56,667	$52,100
57659	Walker, SD	38 mi	16	$103,333	—
57625	Eagle Butte, SD	40 mi	3,775	$43,235	$68,000
57626	Faith, SD	44 mi	979	$68,036	$124,600

Questions about 57633

What city is zip code 57633?

57633 is assigned to Isabel, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57633 in?

57633 is mostly in Corson County, but it extends into 2 other counties.

What is the population of 57633?

About 445 people live in 57633, according to the Census Bureau's American Community Survey.

What time zone is 57633 in?

57633 is in Mountain Time.

What is the median household income in 57633?

The median household income in 57633 is $78,750.

What zip codes are near 57633?

The closest zip codes to 57633 are 57656, 57660, 57644, 57634, 57636.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57633, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.