Iroquois ZIP Codes — Kingsbury County, SD

There is one unique ZIP code in Iroquois, South Dakota and it is 57353. Area code: 605.
1
ZIP codes
298.87
sq mi land
0.21
sq mi water
605
area code
Iroquois, SD ZIP code map

About Iroquois, SD

Iroquois is a small city located in South Dakota, nestled within the beautiful Kingsbury County. Known for its tight-knit community and welcoming atmosphere, Iroquois embodies the essence of small-town America. The city provides a quaint setting for residents and visitors alike, with various local events and community activities throughout the year.

Location & geography

Iroquois is situated in the east-central part of South Dakota, approximately 36 miles northwest of Sioux Falls. Surrounding cities include Arlington, about 12 miles to the west, and De Smet, which is around 16 miles to the north. The city's terrain consists of 298.87 square miles of land and includes a small water area of 0.21 square miles, providing a mix of rural landscapes and agricultural land.

Community & economy

The spirit of the community in Iroquois is characterized by a strong sense of camaraderie and neighborliness among its residents. Agriculture is a significant industry in the area, contributing to the local economy and providing a way of life for many families. Daily life in Iroquois often revolves around local gatherings, outdoor activities, and the support of local businesses.

Transportation

Iroquois is accessible via South Dakota Highway 34, which connects the city to nearby towns and cities. The nearest major airport is Sioux Falls Regional Airport, located approximately 36 miles away, providing access to larger destinations. Public transit options are limited, thus personal vehicles are the primary means of transportation in the area.

History

Iroquois was founded in the late 1800s and has a rich agricultural history that continues to shape its economy today. The city has seen various developments over the years, from the early establishment of farms to the growth of small businesses that cater to the local community. Notable events often reflect the area's agricultural roots, including harvest festivals and local markets.

Did you know?

One surprising fact about Iroquois is that it has a very low population density, which allows residents to enjoy spacious living environments. Additionally, the city's name is derived from the Iroquois Confederacy, reflecting the influence of Native American culture in the region.

ZIP codes for Iroquois, SD (1)
ZIP code City County Map
57353 Iroquois Kingsbury View map

Demographics & statistics

806
Population
40.1
Median age
$69,141
Median household income
$43,009
Per capita income
$169,500
Median home value
$575
Median monthly rent
90.0%
Home ownership
3.1%
Poverty rate
1.7%
Unemployment
352
Housing units
25.6%
Bachelor's or higher

Age distribution

Male Female
28
Under 5
26
33
5–9
30
32
10–14
29
27
15–19
24
24
20–24
22
50
25–34
44
46
35–44
42
36
45–54
33
32
55–59
28
49
60–64
44
38
65–74
34
18
75–84
17
11
85+
9
← Male
Female →

Age summary

GroupCount%
Under 1822828.3%
18 and over57871.7%
65 and over12715.8%
Median age40.1 years

Race & ethnicity

White 92.1%
American Indian / Alaska Native 5.7%
Two or more races 1.1%
Hispanic or Latino 0.9%
Asian 0.2%
GroupCount%
White74992.1%
American Indian / Alaska Native465.7%
Two or more races91.1%
Hispanic or Latino70.9%
Asian20.2%

Household income

Under $10k 2.3%
$10k–$15k 1.3%
$15k–$25k 8.3%
$25k–$35k 6.3%
$35k–$50k 8.3%
$50k–$75k 30.2%
$75k–$100k 15.0%
$100k–$150k 16.3%
$150k–$200k 5.3%
$200k+ 6.6%
Range% of households
Under $10k2.3%
$10k–$15k1.3%
$15k–$25k8.3%
$25k–$35k6.3%
$35k–$50k8.3%
$50k–$75k30.2%
$75k–$100k15.0%
$100k–$150k16.3%
$150k–$200k5.3%
$200k+6.6%
Median income$69,141

Housing

Home values

Under $50k 17.0%
$50k–$100k 11.1%
$100k–$150k 14.8%
$150k–$200k 10.3%
$200k–$300k 22.5%
$300k–$500k 18.8%
$500k–$1M 5.5%

Housing overview

MetricValue
Median home value$169,500
Median rent / month$575
Owner occupied90.0%
Renter occupied10.0%
Vacant21.2%
Single-family detached86.6%
Large apartment buildings0.0%
Mobile homes6.3%
Median rooms7.1
Avg household size (owned)2.56

Year built

Era%
2020 or later0.0%
2010–201916.2%
2000–200916.8%
1990–199910.7%
1980–19894.2%
1970–197914.4%
1960–19693.9%
1950–19593.1%
1940–19493.1%
1939 or earlier27.5%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom5.8%
2 bedrooms17.3%
3 bedrooms29.8%
4 bedrooms30.1%
5+ bedrooms17.0%

Vehicles per household

Vehicles% of households
No vehicle2.7%
1 vehicle15.0%
2 vehicles36.2%
3 or more46.2%

Heating fuel

Fuel type%
Electricity40.5%
Propane / LP gas51.5%
Wood0.3%
No fuel used3.3%

Households & families

Household typeCount%
Married-couple family18762.1%
Cohabiting couple124.0%
Male householder, no spouse6421.3%
Female householder, no spouse3812.6%
Households with children under 189330.9%
Households with seniors (65+)7424.6%
Average household size2.66

Marital status

StatusMaleFemale
Never married30.4%15.1%
Married60.7%64.0%
Separated0.6%1.0%
Widowed0.9%5.8%
Divorced7.4%14.0%

Education

Less than 9th grade 7.9%
Some HS, no diploma 3.8%
HS graduate 30.5%
Some college, no degree 15.8%
Associate's degree 16.4%
Bachelor's degree 20.7%
Graduate / professional 4.9%
Metric%
HS diploma or higher88.3%
Bachelor's or higher25.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool105.0%
Kindergarten105.0%
Elementary school10753.0%
High school5426.7%
College / grad school2110.4%

Employment

Industry of employment

Education & healthcare 23.6%
Agriculture & mining 18.0%
Manufacturing 14.2%
Construction 9.4%
Retail trade 9.4%
Transportation & utilities 7.2%
Finance & real estate 6.7%
Arts, food & hospitality 4.3%
Professional & management 2.6%
Wholesale trade 1.9%
Other services 1.4%
Public administration 1.2%

Occupation

Category%
Management, business & arts39.7%
Service8.9%
Sales & office21.6%
Natural resources & construction14.2%
Production & transportation15.6%

Employment type

Type%
Private sector67.8%
Government13.9%
Self-employed18.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone71.9%
Carpool8.1%
Public transit0.2%
Walk11.0%
Other means0.0%
Avg commute (minutes)18.7

Poverty

All people 3.1%
Under 18 years 0.0%
18 and over 4.3%
Married-couple families 2.1%
Female-led households 0.0%

Income support

Source% of households
Social Security25.9%
Retirement income19.9%
Supplemental Security2.7%
Cash public assistance1.0%
Food stamps / SNAP3.7%

Health indicators

Condition%
High blood pressure30.9%
High cholesterol31.6%
Heart disease6.9%
Stroke3.1%
Asthma8.7%
Arthritis24.0%
Kidney disease2.9%
Pulmonary disease6.0%
Cancer7.5%
Behavior / access%
Binge drinking19.8%
No physical activity22.8%
Less than 7 hrs sleep27.5%
Fair or poor health11.2%
Poor mental health10.5%
Poor physical health8.7%
No health insurance12.5%
Visited doctor (checkup)74.5%
Visited dentist68.1%
Cholesterol screening88.6%
Teeth loss13.9%

Veterans & disability

VeteransCount%
Civilian veterans427.3%
Disability%
Any disability14.3%
Under 183.5%
18–64 years14.4%
65 and over33.1%

Health insurance coverage

Type%
Private insurance80.6%
Public insurance29.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only75293.3%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)80499.8%
Born in same state80499.8%
Born in different state63979.3%
Foreign born00.0%
Naturalized citizen20.2%
Not a US citizen2100.0%

Ancestry

AncestryCount%
Italian8810.9%
Polish688.4%
French617.6%
Arab324%
AncestryCount%
English81%
Dutch81%
German30.4%

Technology access

Metric% of households
Computer access37.3%
Internet access90.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Iroquois, SD have?
Iroquois, SD has one ZIP code: 57353. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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