Zip code 57520: Agar, South Dakota

Q: What city is zip code 57520?

57520 is assigned to Agar, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 57520 in?

57520 is in Sully County, South Dakota.

Q: What is the population of 57520?

About 118 people live in 57520, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 57520?

The median household income in 57520 is $50,417.

Q: What zip codes are near 57520?

The closest zip codes to 57520 are 57564, 57442, 57501, 57522, 57455.

Residential delivery areaSully CountyCentral Time

Population

118

Small sample: rough estimates

Median household income

$50K

U.S. $81K

Median home value

$119K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

54.8

U.S. 38.9

Land area

157 sq mi

1 people/sq mi

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

About 57520

57520 is a rural zip code in Agar, South Dakota (Sully County), covering 157 sq mi of land. About 118 people live here. The median resident is 54.8 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 $50,417 a year, 38% below the national median of $80,734. 14.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $118,800, or 2.4 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 66% of occupied homes are lived in by their owners.

34% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 15 minutes each way, and 3% of workers work from home. The most common jobs among working residents are in sales, management and education. 22% of them are self-employed (U.S.: 10%).

How 57520 compares

Sorted from highest to lowest national percentile

Only about 118 people live here, so these survey estimates have wide margins of error.

Housing vacancy44.6%
99th
U.S. 10.1% · SD 10.5%11th of 344 in SD
Residents 65 and older38.1%
99th
U.S. 17.2% · SD 18%17th of 347 in SD
Median age54.8
98th
U.S. 38.9 · SD 3844th of 347 in SD
Self-employed workers21.7%
98th
U.S. 10% · SD 12.1%137th of 347 in SD
Income inequality (Gini)0.509
91st
WeaknessU.S. 0.483 · SD 0.44930th of 343 in SD
Poverty rate14.4%
67th
U.S. 12.5% · SD 11.9%103rd of 344 in SD
Uninsured rate7.6%
56th
U.S. 8.4% · SD 9%163rd of 347 in SD
Bachelor's degree or higher34%
55th
U.S. 35.7% · SD 31.9%66th of 346 in SD
Per capita income$41,566
54th
U.S. $44,673 · SD $40,550126th of 347 in SD
Homeownership rate66.2%
44th
U.S. 65.2% · SD 68.6%270th of 344 in SD
Foreign-born residents7.6%
41st
U.S. 14.1% · SD 4%24th of 347 in SD
Tech workers1.7%
27th
U.S. 3.8% · SD 2.3%76th of 347 in SD
Diversity index29.3
23rd
U.S. 61.4 · SD 35.478th of 347 in SD
Median earnings per worker$38,409
17th
WeaknessU.S. $49,666 · SD $46,539274th of 345 in SD
Median household income$50,417
9th
WeaknessU.S. $80,734 · SD $75,081302nd of 327 in SD
Government workers8.3%
9th
U.S. 14.5% · SD 15.8%280th of 347 in SD
Median home value$118,800
5th
U.S. $332,700 · SD $257,400230th of 302 in SD
Work from home3.3%
3rd
U.S. 15.1% · SD 9.7%305th of 347 in SD
Population118
1st
U.S. 334,922,499 · SD 907,428340th of 347 in SD
Population density1/sq mi
1st
U.S. 95/sq mi · SD 12/sq mi331st of 347 in SD
Average commute15 min
1st
StrengthU.S. 26.4 min · SD 17.8 min260th of 330 in SD
Unemployment rate0%
1st
StrengthU.S. 5.2% · SD 2.9%338th of 347 in SD
Broadband access61%
1st
WeaknessU.S. 91% · SD 89.6%331st of 344 in SD
Veterans0.9%
1st
U.S. 6.2% · SD 7.9%326th of 347 in SD
Rent-burdened renters12.5%
1st
StrengthU.S. 51.1% · SD 39.8%234th of 313 in SD
Residents under 187.6%
1st
U.S. 22% · SD 24.2%329th of 347 in SD
Healthcare workers0%
1st
U.S. 9.7% · SD 10.5%341st of 347 in SD

Measure	57520	Sully	SD	U.S.	National percentile	Rank in SD
Housing vacancy	44.6%	31.8%	10.5%	10.1%	99th	11th of 344
Residents 65 and older	38.1%	23.1%	18%	17.2%	99th	17th of 347
Median age	54.8	46.9	38	38.9	98th	44th of 347
Self-employed workers	21.7%	26.5%	12.1%	10%	98th	137th of 347
Income inequality (Gini)Weakness	0.509	0.447	0.449	0.483	91st	30th of 343
Poverty rate	14.4%	6.3%	11.9%	12.5%	67th	103rd of 344
Uninsured rate	7.6%	6.6%	9%	8.4%	56th	163rd of 347
Bachelor's degree or higher	34%	24.1%	31.9%	35.7%	55th	66th of 346
Per capita income	$41,566	$46,134	$40,550	$44,673	54th	126th of 347
Homeownership rate	66.2%	72.8%	68.6%	65.2%	44th	270th of 344
Foreign-born residents	7.6%	4.8%	4%	14.1%	41st	24th of 347
Tech workers	1.7%	1.2%	2.3%	3.8%	27th	76th of 347
Diversity index	29.3	24.6	35.4	61.4	23rd	78th of 347
Median earnings per workerWeakness	$38,409	$48,118	$46,539	$49,666	17th	274th of 345
Median household incomeWeakness	$50,417	$72,578	$75,081	$80,734	9th	302nd of 327
Government workers	8.3%	18.4%	15.8%	14.5%	9th	280th of 347
Median home value	$118,800	$205,400	$257,400	$332,700	5th	230th of 302
Work from home	3.3%	13.4%	9.7%	15.1%	3rd	305th of 347
Population	118	1,526	907,428	334,922,499	1st	340th of 347
Population density	1/sq mi	2/sq mi	12/sq mi	95/sq mi	1st	331st of 347
Average commuteStrength	15 min	19.3 min	17.8 min	26.4 min	1st	260th of 330
Unemployment rateStrength	0%	0%	2.9%	5.2%	1st	338th of 347
Broadband accessWeakness	61%	79.6%	89.6%	91%	1st	331st of 344
Veterans	0.9%	3.4%	7.9%	6.2%	1st	326th of 347
Rent-burdened rentersStrength	12.5%	33%	39.8%	51.1%	1st	234th of 313
Residents under 18	7.6%	22%	24.2%	22%	1st	329th of 347
Healthcare workers	0%	3.9%	10.5%	9.7%	1st	341st 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

24%

25–34

35–44

45–54

11%

55–64

28%

65–74

10%

75+

Median age

54.8

Under 18

7.6%

65 and over

38.1%

Race and ethnicity

White82%
Black0%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial18%

Diversity index

29.3

U.S. 61.4

Foreign-born

7.6%

U.S. 14.1%

Born in state

71.2%

Language spoken at home (households)

English only

88%

Spanish

Other Indo-European

12%

Asian / Pacific

Other

Households

Households: 77
Average household size: 1.5
Family households: 35.1%
Married couples: 35.1%
Living alone: 50.6%
Veterans (of adults): 0.9%
Male / female: 56% / 44%

Income and poverty

Household income distribution

<$25k

38%

$25–50k

12%

$50–75k

18%

$75–100k

16%

$100–150k

$150–200k

$200k+

Median household income

57520

$50,417

Sully Co.

$72,578

South Dakota

$75,081

United States

$80,734

Per capita income

$41,566

U.S. $44,673

Poverty rate

14.4%

U.S. 12.5%

Households earning $150K+

11.7%

U.S. 23%

Income inequality (Gini)

0.509

U.S. 0.483

Housing

Median home value

57520

$118,800

Sully Co.

$205,400

South Dakota

$257,400

United States

$332,700

Median gross rent

57520

—

Sully Co.

$842

South Dakota

$946

United States

$1,413

Types of housing

Single-family

78%

2–4 units

5–19 units

20+ units

Mobile home

14%

Boat, RV, van

Housing units: 139
Owner-occupied: 66.2%
Vacant: 44.6%
Median year built: 1972
Median rooms: 5.5
Renters paying 30%+ of income: 12.5%
Renters paying 50%+ of income: 0%
Home value to income: 2.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

92%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

22%

10–19

38%

20–29

21%

30–44

19%

45–59

60+

Average commute

15 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

55%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Sales

18%

Management

17%

Education

17%

Arts, media and sports

15%

Office and admin

12%

Production

12%

Cleaning and personal care

Computer and math

Farming, fishing and forestry

Transportation and moving

Business and finance

Engineering and science

Legal and social services

Healthcare

Police and fire

Food service

Construction and repair

Industries

Health care and social assistance

17%

Retail

17%

Agriculture and mining

17%

Arts and recreation

15%

Restaurants and hotels

10%

Construction

Manufacturing

Public administration

Professional and technical services

Finance, insurance and real estate

Transportation, warehousing and utilities

Other services

Education

Admin, support and management

Wholesale

Information

Median earnings per worker

$38,409

U.S. $49,666

Self-employed

21.7%

U.S. 10%

Government workers

8.3%

U.S. 14.5%

Nonprofit workers

16.7%

U.S. 8.8%

Median earnings by type of work

Type of work	57520	U.S.
Management, business, science and arts	$38,750	$74,888
Service	—	$26,804
Sales and office	$37,222	$40,476
Construction and maintenance	—	$49,199
Production and transportation	$46,667	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

34%

Some college

13%

Associate's

19%

Bachelor's

33%

Graduate

High school graduate or higher: 100%
Bachelor's degree or higher: 34%
Graduate or professional degree: 1%
Households with broadband: 61%
Cable, fiber or DSL: 54.5%
No internet access: 32.5%
Without health insurance: 7.6%
Limited-English households: 0%

Geography

City (USPS): Agar
State: South Dakota
County: Sully County
Center point: 44.8528° N, 100.1937° W
Land area: 157 sq mi
Water area: 0.3 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Zip codes near 57520

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57564	Onida, SD	12 mi	962	$74,297	$210,600
57442	Gettysburg, SD	15 mi	1,772	$65,625	$134,600
57501	Pierre, SD	23 mi	17,326	$81,791	$245,100
57522	Blunt, SD	26 mi	521	$72,188	$215,000
57455	Lebanon, SD	27 mi	137	$86,250	$80,600
57420	Akaska, SD	30 mi	260	$40,469	$79,000
57450	Hoven, SD	31 mi	624	$86,833	$133,900
57652	Ridgeview, SD	31 mi	265	$19,327	—
57601	Mobridge, SD	35 mi	3,422	$66,003	$154,600
57536	Harrold, SD	37 mi	277	$53,125	$90,000
57475	Tolstoy, SD	38 mi	99	$88,125	$85,000
57532	Fort Pierre, SD	38 mi	2,929	$87,966	$210,000

Questions about 57520

What city is zip code 57520?

57520 is assigned to Agar, South Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 57520 in?

57520 is in Sully County, South Dakota.

What is the population of 57520?

About 118 people live in 57520, according to the Census Bureau's American Community Survey.

What time zone is 57520 in?

57520 is in Central Time.

What is the median household income in 57520?

The median household income in 57520 is $50,417.

What zip codes are near 57520?

The closest zip codes to 57520 are 57564, 57442, 57501, 57522, 57455.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 57520, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.