57321 ZIP Code — Canova, SD

Miner County, South Dakota

ZIP code 57321 is located in Canova, South Dakota, within Miner County. It covers approximately 108.94 square miles and serves a population of 342 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57321

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $108,900.

The gap between median ($68,750) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

342
population
108.94
sq mi land
Standard
ZIP type
Central (CT)
timezone
57321 ZIP code map
Cities in ZIP code 57321

Below are the cities the US Postal Service accepts for ZIP code 57321. Using any city not on this list may result in mail delivery delays.

City Status
Canova Acceptable
Canova Preferred
Nearby ZIP codes
57374 Spencer (8.2 mi) 57349 Howard (11.5 mi) 57058 Salem (12.2 mi) 57076 Winfred (13.6 mi) 57311 Alexandria (16.8 mi) 57340 Fulton (17.1 mi) 57323 Carthage (18.1 mi)
Demographics updated 05/2026
Population
Total population 342
Population density 3 / sq mi
State FIPS 46
County FIPS 097
Geography
Land area 108.94 sq mi
Water area 0.06 sq mi
Latitude 43.8703
Longitude -97.5601
Timezone Central (CT)
Area code 605
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 29.7% 49.6% 41.7%
$50k – $100k 45.9% 34.5% 33.8%
$100k – $200k 20.7% 13.1% 20.1%
Over $200k 3.6% 2.8% 4.4%

Demographics & statistics

342
Population
3
People per sq mi
35.7
Median age
$68,750
Median household income
$30,604
Per capita income
$108,900
Median home value
$0
Median monthly rent
100.0%
Home ownership
9.5%
Poverty rate
0.0%
Unemployment
111
Housing units
22.6%
Bachelor's or higher

Age distribution

Male Female
15
Under 5
15
11
5–9
10
15
10–14
14
11
15–19
10
15
20–24
14
13
25–34
13
25
35–44
24
16
45–54
15
19
55–59
19
23
60–64
21
9
65–74
9
2
75–84
1
2
85+
1
← Male
Female →

Age summary

GroupCount%
Under 189828.7%
18 and over24471.3%
65 and over247.0%
Median age35.7 years

Race & ethnicity

White 98.5%
Black or African American 1.5%
GroupCount%
White33798.5%
Black or African American51.5%

Household income

Income range This ZIP County avg State avg
Under $50k 29.7% 49.6% 41.7%
$50k – $100k 45.9% 34.5% 33.8%
$100k – $200k 20.7% 13.1% 20.1%
Over $200k 3.6% 2.8% 4.4%
Under $10k 3.4%
$15k–$25k 1.1%
$25k–$35k 4.5%
$35k–$50k 17.0%
$50k–$75k 29.5%
$75k–$100k 9.1%
$100k–$150k 17.0%
$150k–$200k 6.8%
$200k+ 11.4%
Range% of households
Under $10k3.4%
$15k–$25k1.1%
$25k–$35k4.5%
$35k–$50k17.0%
$50k–$75k29.5%
$75k–$100k9.1%
$100k–$150k17.0%
$150k–$200k6.8%
$200k+11.4%
Median income$68,750

Housing

Home values

Under $50k 34.1%
$50k–$100k 10.2%
$100k–$150k 15.9%
$150k–$200k 9.1%
$200k–$300k 18.2%
$500k–$1M 12.5%

Housing overview

MetricValue
Median home value$108,900
Median rent / month$0
Owner occupied100.0%
Renter occupied0.0%
Vacant20.7%
Single-family detached91.0%
Large apartment buildings0.0%
Mobile homes9.0%
Median rooms7.3
Avg household size (owned)3.89

Year built

Era%
2020 or later0.0%
2010–20198.1%
2000–200912.6%
1990–199911.7%
1980–19890.0%
1970–197914.4%
1960–19697.2%
1950–19590.0%
1940–194912.6%
1939 or earlier33.3%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms20.7%
3 bedrooms37.8%
4 bedrooms24.3%
5+ bedrooms17.1%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle21.6%
2 vehicles22.7%
3 or more55.7%

Heating fuel

Fuel type%
Electricity27.3%
Propane / LP gas58.0%
Fuel oil5.7%
Wood6.8%

Households & families

Household typeCount%
Married-couple family6169.3%
Cohabiting couple00.0%
Male householder, no spouse1921.6%
Female householder, no spouse89.1%
Households with children under 182933.0%
Households with seniors (65+)1517.0%
Average household size3.89

Marital status

StatusMaleFemale
Never married45.7%24.4%
Married46.5%48.9%
Separated0.0%0.0%
Widowed0.8%3.7%
Divorced7.1%23.0%

Education

Less than 9th grade 2.4%
Some HS, no diploma 1.9%
HS graduate 40.1%
Some college, no degree 21.2%
Associate's degree 11.8%
Bachelor's degree 21.2%
Graduate / professional 1.4%
Metric%
HS diploma or higher95.8%
Bachelor's or higher22.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1823.1%
Kindergarten00.0%
Elementary school3241.0%
High school2329.5%
College / grad school56.4%

Employment

Industry of employment

Education & healthcare 25.5%
Manufacturing 24.1%
Agriculture & mining 19.9%
Retail trade 14.9%
Finance & real estate 7.1%
Other services 3.5%
Public administration 2.8%
Arts, food & hospitality 1.4%
Transportation & utilities 0.7%

Occupation

Category%
Management, business & arts39.7%
Service11.3%
Sales & office27.0%
Natural resources & construction4.3%
Production & transportation17.7%

Employment type

Type%
Private sector70.9%
Government14.2%
Self-employed14.2%
Unpaid family workers0.7%

Commute

Method%
Drive alone59.6%
Carpool28.4%
Public transit0.0%
Walk0.0%
Work from home12.1%
Other means0.0%
Avg commute (minutes)24.6

Poverty

All people 9.5%
Under 18 years 0.0%
18 and over 12.7%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security17.0%
Retirement income22.7%
Supplemental Security10.2%
Cash public assistance1.1%
Food stamps / SNAP10.2%

Health indicators

Condition%
Obesity33.4%
High blood pressure32.0%
High cholesterol31.2%
Diabetes9.2%
Heart disease6.9%
Stroke3.1%
Asthma8.8%
Arthritis24.8%
Kidney disease2.9%
Pulmonary disease6.2%
Cancer7.4%
Behavior / access%
Smoking18.2%
Binge drinking19.2%
No physical activity23.6%
Less than 7 hrs sleep29.1%
Depression15.3%
Fair or poor health11.7%
Poor mental health10.6%
Poor physical health9.1%
No health insurance12.2%
Visited doctor (checkup)75.1%
Visited dentist67.2%
Cholesterol screening89.7%
Teeth loss14.0%

Veterans & disability

VeteransCount%
Civilian veterans20.8%
Disability%
Any disability9.1%
Under 1810.2%
18–64 years6.8%
65 and over25.0%

Health insurance coverage

Type%
Private insurance83.9%
Public insurance25.1%
No insurance0.6%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only31291.2%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)342100.0%
Born in same state342100.0%
Born in different state26677.8%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish5215.2%
Italian4613.5%
French154.4%
AncestryCount%
English123.5%
Arab61.8%
Dutch10.3%

Technology access

Metric% of households
Computer access25.7%
Internet access92.0%

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

Frequently asked questions about ZIP code 57321

What city is ZIP code 57321 in?

ZIP code 57321 is primarily assigned to Canova, South Dakota.

What county is ZIP code 57321 in?

ZIP code 57321 falls within Miner County, South Dakota.

What is the typical home value in ZIP code 57321?

The median home value in ZIP code 57321 is $108,900.

What is the population of ZIP code 57321?

ZIP code 57321 has an estimated population of 342 residents, with a density of 3 people per square mile.

What is the median household income in ZIP code 57321?

The median household income in ZIP code 57321 is $68,750, below the national median of ~$75,000.

What timezone is ZIP code 57321 in?

ZIP code 57321 observes the CST timezone.

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