Zip code 57223: Castlewood, South Dakota

Q: What city is zip code 57223?

57223 is assigned to Castlewood, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57223 in?

57223 is mostly in Hamlin County, but it extends into 1 other county.

Q: What is the population of 57223?

About 1,429 people live in 57223, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57223?

The median household income in 57223 is $92,424.

Q: What zip codes are near 57223?

The closest zip codes to 57223 are 57234, 57241, 57238, 57248, 57245.

Residential delivery areaHamlin CountyCentral Time

Population

1,429

Median household income

$92K

U.S. $81K

Median home value

$237K

U.S. $333K

Median rent

$1,133/mo

U.S. $1,413

Median age

34.3

U.S. 38.9

Land area

125 sq mi

12 people/sq mi

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

About 57223

57223 is a rural zip code in Castlewood, South Dakota (Hamlin County), covering 125 sq mi of land. About 1,429 people live here, or 12 per square mile. The median resident is 34.3 years old, compared with 38.9 nationally.

The median household earns $92,424 a year, close to the national median of $80,734. 3.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $236,600, or 2.6 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 88% of occupied homes are lived in by their owners, and renters pay a median of $1,133 a month.

29% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 24.8 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in management; production and manufacturing; and transportation and moving goods.

How 57223 compares

Sorted from highest to lowest national percentile

Residents under 1834.7%
99th
U.S. 22% · SD 24.2%49th of 347 in SD
Homeownership rate87.6%
93rd
StrengthU.S. 65.2% · SD 68.6%89th of 344 in SD
Rent-burdened renters61.2%
86th
WeaknessU.S. 51.1% · SD 39.8%33rd of 313 in SD
Veterans8.9%
84th
U.S. 6.2% · SD 7.9%98th of 347 in SD
Housing vacancy11.3%
76th
U.S. 10.1% · SD 10.5%215th of 344 in SD
Uninsured rate10.2%
72nd
U.S. 8.4% · SD 9%112th of 347 in SD
Self-employed workers11.1%
70th
U.S. 10% · SD 12.1%264th of 347 in SD
Government workers16.6%
69th
U.S. 14.5% · SD 15.8%151st of 347 in SD
Median household income$92,424
64th
U.S. $80,734 · SD $75,08167th of 327 in SD
Median earnings per worker$51,000
58th
U.S. $49,666 · SD $46,53983rd of 345 in SD
Per capita income$39,865
49th
U.S. $44,673 · SD $40,550154th of 347 in SD
Bachelor's degree or higher28.5%
42nd
U.S. 35.7% · SD 31.9%119th of 346 in SD
Average commute24.8 min
42nd
U.S. 26.4 min · SD 17.8 min81st of 330 in SD
Median gross rent$1,133
31st
U.S. $1,413 · SD $94619th of 243 in SD
Median home value$236,600
30th
U.S. $332,700 · SD $257,40080th of 302 in SD
Residents 65 and older13%
23rd
U.S. 17.2% · SD 18%274th of 347 in SD
Broadband access87.1%
19th
WeaknessU.S. 91% · SD 89.6%191st of 344 in SD
Median age34.3
17th
U.S. 38.9 · SD 38267th of 347 in SD
Income inequality (Gini)0.392
16th
StrengthU.S. 0.483 · SD 0.449208th of 343 in SD
Work from home6.8%
15th
U.S. 15.1% · SD 9.7%244th of 347 in SD
Tech workers0.5%
6th
U.S. 3.8% · SD 2.3%153rd of 347 in SD
Diversity index11
5th
U.S. 61.4 · SD 35.4230th of 347 in SD
Poverty rate3.4%
4th
StrengthU.S. 12.5% · SD 11.9%290th of 344 in SD
Healthcare workers5%
4th
U.S. 9.7% · SD 10.5%232nd of 347 in SD
Population1,429
2nd
U.S. 334,922,499 · SD 907,428100th of 347 in SD
Unemployment rate1%
2nd
StrengthU.S. 5.2% · SD 2.9%187th of 347 in SD
Foreign-born residents0.4%
2nd
U.S. 14.1% · SD 4%205th of 347 in SD
Population density12/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi102nd of 347 in SD

Measure	57223	Hamlin	SD	U.S.	National percentile	Rank in SD
Residents under 18	34.7%	33.1%	24.2%	22%	99th	49th of 347
Homeownership rateStrength	87.6%	82%	68.6%	65.2%	93rd	89th of 344
Rent-burdened rentersWeakness	61.2%	20.6%	39.8%	51.1%	86th	33rd of 313
Veterans	8.9%	6%	7.9%	6.2%	84th	98th of 347
Housing vacancy	11.3%	23.3%	10.5%	10.1%	76th	215th of 344
Uninsured rate	10.2%	7.7%	9%	8.4%	72nd	112th of 347
Self-employed workers	11.1%	18%	12.1%	10%	70th	264th of 347
Government workers	16.6%	15.2%	15.8%	14.5%	69th	151st of 347
Median household income	$92,424	$87,101	$75,081	$80,734	64th	67th of 327
Median earnings per worker	$51,000	$49,214	$46,539	$49,666	58th	83rd of 345
Per capita income	$39,865	$39,106	$40,550	$44,673	49th	154th of 347
Bachelor's degree or higher	28.5%	24.5%	31.9%	35.7%	42nd	119th of 346
Average commute	24.8 min	22.2 min	17.8 min	26.4 min	42nd	81st of 330
Median gross rent	$1,133	$800	$946	$1,413	31st	19th of 243
Median home value	$236,600	$208,600	$257,400	$332,700	30th	80th of 302
Residents 65 and older	13%	14.3%	18%	17.2%	23rd	274th of 347
Broadband accessWeakness	87.1%	90.2%	89.6%	91%	19th	191st of 344
Median age	34.3	31.8	38	38.9	17th	267th of 347
Income inequality (Gini)Strength	0.392	0.418	0.449	0.483	16th	208th of 343
Work from home	6.8%	7%	9.7%	15.1%	15th	244th of 347
Tech workers	0.5%	1.7%	2.3%	3.8%	6th	153rd of 347
Diversity index	11	16.5	35.4	61.4	5th	230th of 347
Poverty rateStrength	3.4%	6.9%	11.9%	12.5%	4th	290th of 344
Healthcare workers	5%	8.8%	10.5%	9.7%	4th	232nd of 347
Population	1,429	6,373	907,428	334,922,499	2nd	100th of 347
Unemployment rateStrength	1%	0.5%	2.9%	5.2%	2nd	187th of 347
Foreign-born residents	0.4%	3.9%	4%	14.1%	2nd	205th of 347
Population density	12/sq mi	13/sq mi	12/sq mi	95/sq mi	1st	102nd 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

26%

5–17

18–24

13%

25–34

14%

35–44

10%

45–54

12%

55–64

65–74

75+

Median age

34.3

Under 18

34.7%

65 and over

13%

Race and ethnicity

White94%
Black0.3%
Hispanic0.3%
Asian0.6%
Native American0%
Pacific Islander0%
Other0.7%
Multiracial4%

Diversity index

U.S. 61.4

Foreign-born

0.4%

U.S. 14.1%

Born in state

74.3%

Language spoken at home (households)

English only

100%

Spanish

0.2%

Other Indo-European

Asian / Pacific

Other

Households

Households: 510
Average household size: 2.8
Family households: 77.3%
Married couples: 64.7%
Living alone: 20.8%
Veterans (of adults): 8.9%
Male / female: 52% / 48%

Income and poverty

Household income distribution

<$25k

$25–50k

17%

$50–75k

13%

$75–100k

25%

$100–150k

23%

$150–200k

$200k+

10%

Median household income

57223

$92,424

Hamlin Co.

$87,101

South Dakota

$75,081

United States

$80,734

Per capita income

$39,865

U.S. $44,673

Poverty rate

3.4%

U.S. 12.5%

Households earning $150K+

16.3%

U.S. 23%

Income inequality (Gini)

0.392

U.S. 0.483

Housing

Median home value

57223

$236,600

Hamlin Co.

$208,600

South Dakota

$257,400

United States

$332,700

Median gross rent

57223

$1,133

Hamlin Co.

$800

South Dakota

$946

United States

$1,413

Types of housing

Single-family

90%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

0.3%

Housing units: 575
Owner-occupied: 87.6%
Vacant: 11.3%
Median year built: 1976
Median rooms: 6.7
Renters paying 30%+ of income: 61.2%
Renters paying 50%+ of income: 16.3%
Home value to income: 2.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

75%

Carpooled

15%

Transit

Walked

Bicycle

Worked from home

Other

0.3%

Commute time (one way)

<10 min

20%

10–19

21%

20–29

37%

30–44

11%

45–59

0.6%

60+

Average commute

24.8 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

78.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

13%

Production

13%

Transportation and moving

13%

Office and admin

Education

Construction and repair

Sales

Engineering and science

Business and finance

Healthcare

Food service

Cleaning and personal care

Farming, fishing and forestry

Legal and social services

Arts, media and sports

Police and fire

0.9%

Computer and math

0.5%

Industries

Manufacturing

19%

Health care and social assistance

11%

Agriculture and mining

10%

Education

10%

Transportation, warehousing and utilities

Retail

Finance, insurance and real estate

Wholesale

Public administration

Construction

Professional and technical services

Other services

Restaurants and hotels

Admin, support and management

Information

0.7%

Arts and recreation

0.3%

Median earnings per worker

$51,000

U.S. $49,666

Self-employed

11.1%

U.S. 10%

Government workers

16.6%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	57223	U.S.
Management, business, science and arts	$54,667	$74,888
Service	$13,750	$26,804
Sales and office	$50,750	$40,476
Construction and maintenance	$48,625	$49,199
Production and transportation	$57,500	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

35%

Some college

16%

Associate's

19%

Bachelor's

23%

Graduate

High school graduate or higher: 97.9%
Bachelor's degree or higher: 28.5%
Graduate or professional degree: 5.9%
Households with broadband: 87.1%
Cable, fiber or DSL: 70.6%
No internet access: 10%
Without health insurance: 10.2%
Limited-English households: 0.2%

Geography

City (USPS): Castlewood
State: South Dakota
County: Hamlin County
Center point: 44.7123° N, 96.9943° W
Land area: 125 sq mi
Water area: 3.2 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

57223 spans 2 counties

Hamlin County98% of land
Deuel County2% of land

Zip codes near 57223

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57234	Estelline, SD	8.6 mi	1,339	$82,358	$173,000
57241	Hayti, SD	11 mi	936	$85,833	$123,000
57238	Goodwin, SD	13 mi	315	$66,250	$225,700
57248	Lake Norden, SD	13 mi	1,295	$96,364	$293,200
57245	Kranzburg, SD	13 mi	151	$86,250	$157,200
57226	Clear Lake, SD	14 mi	1,953	$83,125	$206,400
57201	Watertown, SD	16 mi	26,781	$72,878	$242,700
57220	Bruce, SD	18 mi	665	$86,094	$216,700
57268	Toronto, SD	18 mi	435	$76,250	$235,900
57242	Hazel, SD	18 mi	320	$113,958	$177,100
57214	Badger, SD	19 mi	162	$65,000	$70,000
57218	Brandt, SD	20 mi	180	$66,250	—

Zip codes like 57223 elsewhere

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

Questions about 57223

What city is zip code 57223?

57223 is assigned to Castlewood, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57223 in?

57223 is mostly in Hamlin County, but it extends into 1 other county.

What is the population of 57223?

About 1,429 people live in 57223, according to the Census Bureau's American Community Survey.

What time zone is 57223 in?

57223 is in Central Time.

What is the median household income in 57223?

The median household income in 57223 is $92,424.

What zip codes are near 57223?

The closest zip codes to 57223 are 57234, 57241, 57238, 57248, 57245.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57223, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.