Zip code 57645: Morristown, South Dakota

Q: What city is zip code 57645?

57645 is assigned to Morristown, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57645 in?

57645 is mostly in Corson County, but it extends into 2 other counties.

Q: What is the population of 57645?

About 184 people live in 57645, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57645?

The median household income in 57645 is $56,667.

Q: What zip codes are near 57645?

The closest zip codes to 57645 are 57660, 57634, 57641, 57638, 58529.

Residential delivery areaCorson CountyMountain Time

Population

184

Small sample: rough estimates

Median household income

$57K

U.S. $81K

Median home value

$52K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

U.S. 38.9

Land area

302 sq mi

1 people/sq mi

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

About 57645

57645 is a rural zip code in Morristown, South Dakota (Corson County), covering 302 sq mi of land. About 184 people live here. The median resident is 47 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 $56,667 a year, 30% below the national median of $80,734. 29.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $52,100, or 0.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 83% of occupied homes are lived in by their owners.

26% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 24.1 minutes each way, and 32% of workers work from home. The most common jobs among working residents are in management; construction and repair; and education. 54% of them are self-employed (U.S.: 10%).

How 57645 compares

Sorted from highest to lowest national percentile

Only about 184 people live here, so these survey estimates have wide margins of error.

Self-employed workers54.1%
99th
U.S. 10% · SD 12.1%8th of 347 in SD
Work from home31.8%
96th
U.S. 15.1% · SD 9.7%28th of 347 in SD
Poverty rate29.3%
95th
WeaknessU.S. 12.5% · SD 11.9%40th of 344 in SD
Residents 65 and older27.2%
95th
U.S. 17.2% · SD 18%75th of 347 in SD
Housing vacancy19.6%
93rd
U.S. 10.1% · SD 10.5%117th of 344 in SD
Median age47
91st
U.S. 38.9 · SD 38100th of 347 in SD
Government workers21.2%
88th
U.S. 14.5% · SD 15.8%96th of 347 in SD
Homeownership rate83.3%
86th
StrengthU.S. 65.2% · SD 68.6%125th of 344 in SD
Veterans8.6%
82nd
U.S. 6.2% · SD 7.9%109th of 347 in SD
Income inequality (Gini)0.478
80th
WeaknessU.S. 0.483 · SD 0.44964th of 343 in SD
Residents under 1824.5%
71st
U.S. 22% · SD 24.2%167th of 347 in SD
Median earnings per worker$50,156
56th
U.S. $49,666 · SD $46,53999th of 345 in SD
Per capita income$37,215
41st
U.S. $44,673 · SD $40,550200th of 347 in SD
Broadband access91%
41st
U.S. 91% · SD 89.6%116th of 344 in SD
Average commute24.1 min
37th
U.S. 26.4 min · SD 17.8 min90th of 330 in SD
Bachelor's degree or higher25.6%
35th
U.S. 35.7% · SD 31.9%159th of 346 in SD
Uninsured rate3.8%
20th
StrengthU.S. 8.4% · SD 9%257th of 347 in SD
Median household income$56,667
16th
WeaknessU.S. $80,734 · SD $75,081278th of 327 in SD
Healthcare workers7.1%
16th
U.S. 9.7% · SD 10.5%182nd of 347 in SD
Diversity index20.8
13th
U.S. 61.4 · SD 35.4142nd of 347 in SD
Population184
1st
U.S. 334,922,499 · SD 907,428313th of 347 in SD
Population density1/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi333rd of 347 in SD
Median home value$52,100
1st
U.S. $332,700 · SD $257,400296th of 302 in SD
Unemployment rate0%
1st
StrengthU.S. 5.2% · SD 2.9%256th of 347 in SD
Foreign-born residents0%
1st
U.S. 14.1% · SD 4%254th of 347 in SD
Rent-burdened renters0%
1st
StrengthU.S. 51.1% · SD 39.8%272nd of 313 in SD
Tech workers0%
1st
U.S. 3.8% · SD 2.3%216th of 347 in SD

Measure	57645	Corson	SD	U.S.	National percentile	Rank in SD
Self-employed workers	54.1%	26.9%	12.1%	10%	99th	8th of 347
Work from home	31.8%	24.2%	9.7%	15.1%	96th	28th of 347
Poverty rateWeakness	29.3%	44.2%	11.9%	12.5%	95th	40th of 344
Residents 65 and older	27.2%	13.2%	18%	17.2%	95th	75th of 347
Housing vacancy	19.6%	17%	10.5%	10.1%	93rd	117th of 344
Median age	47	29.9	38	38.9	91st	100th of 347
Government workers	21.2%	37.6%	15.8%	14.5%	88th	96th of 347
Homeownership rateStrength	83.3%	59.1%	68.6%	65.2%	86th	125th of 344
Veterans	8.6%	7%	7.9%	6.2%	82nd	109th of 347
Income inequality (Gini)Weakness	0.478	0.532	0.449	0.483	80th	64th of 343
Residents under 18	24.5%	35.3%	24.2%	22%	71st	167th of 347
Median earnings per worker	$50,156	$41,341	$46,539	$49,666	56th	99th of 345
Per capita income	$37,215	$22,830	$40,550	$44,673	41st	200th of 347
Broadband access	91%	85.1%	89.6%	91%	41st	116th of 344
Average commute	24.1 min	21 min	17.8 min	26.4 min	37th	90th of 330
Bachelor's degree or higher	25.6%	19%	31.9%	35.7%	35th	159th of 346
Uninsured rateStrength	3.8%	16.9%	9%	8.4%	20th	257th of 347
Median household incomeWeakness	$56,667	$46,406	$75,081	$80,734	16th	278th of 327
Healthcare workers	7.1%	6.6%	10.5%	9.7%	16th	182nd of 347
Diversity index	20.8	46.7	35.4	61.4	13th	142nd of 347
Population	184	3,806	907,428	334,922,499	1st	313th of 347
Population density	1/sq mi	2/sq mi	12/sq mi	95/sq mi	1st	333rd of 347
Median home value	$52,100	$69,800	$257,400	$332,700	1st	296th of 302
Unemployment rateStrength	0%	23.5%	2.9%	5.2%	1st	256th of 347
Foreign-born residents	0%	0%	4%	14.1%	1st	254th of 347
Rent-burdened rentersStrength	0%	28.1%	39.8%	51.1%	1st	272nd of 313
Tech workers	0%	0.3%	2.3%	3.8%	1st	216th 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

13%

Under 5

12%

5–17

18–24

25–34

13%

35–44

11%

45–54

14%

55–64

17%

65–74

10%

75+

Median age

Under 18

24.5%

65 and over

27.2%

Race and ethnicity

White89%
Black0%
Hispanic0%
Asian0%
Native American8%
Pacific Islander0%
Other0%
Multiracial3%

Diversity index

20.8

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

38.6%

Language spoken at home (households)

English only

90%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 78
Average household size: 2.4
Family households: 71.8%
Married couples: 53.8%
Living alone: 23.1%
Veterans (of adults): 8.6%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

24%

$25–50k

23%

$50–75k

$75–100k

10%

$100–150k

21%

$150–200k

10%

$200k+

Median household income

57645

$56,667

Corson Co.

$46,406

South Dakota

$75,081

United States

$80,734

Per capita income

$37,215

U.S. $44,673

Poverty rate

29.3%

U.S. 12.5%

Households earning $150K+

14.1%

U.S. 23%

Income inequality (Gini)

0.478

U.S. 0.483

Housing

Median home value

57645

$52,100

Corson Co.

$69,800

South Dakota

$257,400

United States

$332,700

Median gross rent

57645

—

Corson Co.

$496

South Dakota

$946

United States

$1,413

Types of housing

Single-family

94%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 97
Owner-occupied: 83.3%
Vacant: 19.6%
Median year built: 1939 or earlier
Median rooms: 5.4
Renters paying 30%+ of income: 0%
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

55%

Carpooled

11%

Transit

Walked

Bicycle

Worked from home

32%

Other

Commute time (one way)

<10 min

19%

10–19

20–29

53%

30–44

45–59

60+

Average commute

24.1 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

58.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

39%

Construction and repair

18%

Education

13%

Transportation and moving

Healthcare

Office and admin

Sales

Food service

Business and finance

Computer and math

Engineering and science

Legal and social services

Arts, media and sports

Police and fire

Cleaning and personal care

Farming, fishing and forestry

Production

Industries

Agriculture and mining

35%

Education

18%

Retail

15%

Construction

14%

Health care and social assistance

Transportation, warehousing and utilities

Other services

Manufacturing

Professional and technical services

Restaurants and hotels

Finance, insurance and real estate

Public administration

Admin, support and management

Wholesale

Information

Arts and recreation

Median earnings per worker

$50,156

U.S. $49,666

Self-employed

54.1%

U.S. 10%

Government workers

21.2%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	57645	U.S.
Management, business, science and arts	$52,500	$74,888
Service	—	$26,804
Sales and office	$57,188	$40,476
Construction and maintenance	$50,179	$49,199
Production and transportation	$7,188	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

32%

Some college

20%

Associate's

19%

Bachelor's

23%

Graduate

High school graduate or higher: 95.5%
Bachelor's degree or higher: 25.6%
Graduate or professional degree: 2.3%
Households with broadband: 91%
Cable, fiber or DSL: 34.6%
No internet access: 9%
Without health insurance: 3.8%
Limited-English households: 0%

Geography

City (USPS): Morristown
State: South Dakota
County: Corson County
Center point: 45.9073° N, 101.7164° W
Land area: 302 sq mi
Water area: 0.5 sq mi
Time zone: Mountain Time (UTC-7, UTC-6 in summer)
Zip type: Residential delivery area

57645 spans 3 counties

Corson County52% of land
Grant County27% of land
Sioux County21% of land

Zip codes near 57645

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57660	Watauga, SD	10 mi	111	$67,292	$86,300
57634	Keldron, SD	12 mi	131	$88,125	$151,600
57641	Mc Intosh, SD	20 mi	215	$83,750	$77,500
57638	Lemmon, SD	25 mi	1,852	$58,533	$101,100
58529	Carson, ND	28 mi	721	$65,536	$88,300
57659	Walker, SD	30 mi	16	$103,333	—
58564	Raleigh, ND	31 mi	102	$80,625	—
57621	Bullhead, SD	32 mi	294	$32,589	—
57633	Isabel, SD	33 mi	445	$78,750	$70,000
58533	Elgin, ND	34 mi	830	$36,125	$92,800
58562	New Leipzig, ND	34 mi	400	$62,955	$100,000
57644	Meadow, SD	35 mi	388	$68,229	$229,300

Questions about 57645

What city is zip code 57645?

57645 is assigned to Morristown, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57645 in?

57645 is mostly in Corson County, but it extends into 2 other counties.

What is the population of 57645?

About 184 people live in 57645, according to the Census Bureau's American Community Survey.

What time zone is 57645 in?

57645 is in Mountain Time.

What is the median household income in 57645?

The median household income in 57645 is $56,667.

What zip codes are near 57645?

The closest zip codes to 57645 are 57660, 57634, 57641, 57638, 58529.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57645, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.