PlainZIP

Iroquois, SD · standard

ZIP Code 57353

Kingsbury County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

829
1/sq mi
$75,625
Median income
$139,300
Median home value
26.1%
Bachelor's or higher

The verdict

Iroquois pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 44%
household income, US ZIPs
22th pct
home value, US ZIPs
1
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57353 against every reporting US ZIP.

ZIP code 57353 is a sparsely populated ZIP (a standard USPS delivery area) in Iroquois, Kingsbury County, South Dakota, home to just 829 residents across 829.0 square miles, a density of 1 people per square mile, in the Chicago time zone.

ZIP 57353 lands in the middle-income range, with a median household income of $75,625 (1% below the South Dakota average), while per-capita income is $42,452. 6.5% of residents live below the poverty line, and the unemployment rate reads 0.4%. Housing costs here run $139,300 for a typical home value (27% below the state average), with rent averaging $541 a month; 81.9% of homes are owner-occupied.

Educational attainment sits below the national norm: 26.1% of adults hold a bachelor's degree or higher, the median age is 41.6, and the average commute is -. The state and national benchmarks above give 57353's numbers context; they should not be read in isolation.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 57353

Top 5 sectors by establishment count in Iroquois, SD

Which industries have the most business establishments in ZIP 57353.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57353, Iroquois, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

829

Population

829.0

Area (sq mi)

1

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57353?

41.6

Median Age

56.5%

Male

43.5%

Female

0.6%

Foreign-Born

White 92.7%
African American 0.0%
Asian 0.4%
American Indian or Alaska Native 3.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.2%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$75,625

Median Household Income

-1% vs state

$42,452

Per Capita Income

6.5%

Poverty Rate

0.4%

Unemployment Rate

How ZIP 57353 ranks nationally

Iroquois, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$75,625 Top 44% higher than 56% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 53.0%
Bachelor's Degree or Higher 26.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

381

Total Housing Units

332

Occupied Units

49

Vacant Units

2.42

Avg Household Size

Occupancy Type

Owner 81.9%
Renter 18.1%

$139,300

Median Home Value

-27% vs state

$541

Median Rent

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 27 business establishments in ZIP 57353, employing approximately 132 people with a combined annual payroll of $7,680,000.

27

Businesses

132

Employees

$7.7M

Annual Payroll

4

Industry Sectors

Industry Establishments % of Total
Wholesale trade 5 18.5%
Retail trade 5 18.5%
Construction 4 14.8%
Manufacturing 4 14.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in Kingsbury County

57212 standard
Arlington, SD
Pop: 2,062
57231 standard
De Smet, SD
Pop: 1,695
57249 standard
Lake Preston, SD
Pop: 994
57051 standard
Oldham, SD
Pop: 263
57233 standard
Erwin, SD
Pop: 118
57214 standard
Badger, SD
Pop: 75

Related Areas

Kingsbury County Iroquois, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57353 in? ▼
ZIP code 57353 (Iroquois) is located in Kingsbury County, South Dakota. Kingsbury County contains multiple ZIP codes, see the full list at /counties/kingsbury-sd.
What is the population of ZIP code 57353? ▼
ZIP code 57353 in Iroquois, SD has a population of 829 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57353? ▼
The median household income in ZIP 57353 is $75,625, which is 1% below the national average of $76,288.
What is the average home value in ZIP 57353? ▼
The median home value in ZIP 57353 is $139,300, which is 50% below the national average of $278,155.
What is the demographic makeup of ZIP 57353? ▼
The largest racial group in ZIP 57353 is White at 92.7%.
How many businesses are in ZIP code 57353? ▼
ZIP code 57353 has 27 business establishments employing approximately 132 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57353? ▼
The top industries by establishment count in ZIP 57353 are: Wholesale trade (5), Retail trade (5), Construction (4). There are 4 industry sectors represented in total.
What is the education level in ZIP code 57353? ▼
In ZIP code 57353, 53.0% of residents aged 25+ have a high school diploma or higher, and 26.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57353? ▼
In ZIP code 57353, approximately 81.9% of occupied housing units are owner-occupied and 18.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57353? ▼
The poverty rate in ZIP code 57353 is 6.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.