57315 ZIP Code — Avon, SD

Bon Homme County, South Dakota

ZIP code 57315 is located in Avon, South Dakota, within Bon Homme County. It covers approximately 129.80 square miles and serves a population of 1,064 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57315

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 $94,200. Owner-occupancy is high at 75%, well above the national average.

Median household income is $63,333. Poverty affects 27% of residents, above the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Overall, ZIP code 57315 reflects a community defined by economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.

1,064

population

129.80

sq mi land

Standard

ZIP type

Central (CT)

timezone

57315 ZIP code map

Cities in ZIP code 57315

Below are the cities the US Postal Service accepts for ZIP code 57315. Using any city not on this list may result in mail delivery delays.

City	Status
Avon	Preferred

Nearby ZIP codes

57066 Tyndall (8.3 mi) 57062 Springfield (10.7 mi) 57380 Wagner (14.4 mi) 57059 Scotland (14.8 mi) 68760 Niobrara (16.2 mi) 57376 Tripp (16.4 mi) 57063 Tabor (17.9 mi) 57330 Delmont (19.5 mi)

Demographics updated 05/2026

Population
Total population	1,064
Population density	8 / sq mi
State FIPS	46
County FIPS	009

Geography
Land area	129.80 sq mi
Water area	0.41 sq mi
Latitude	42.9960
Longitude	-98.0356
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	46.3%	48.9%	41.7%
$50k – $100k	32.7%	32.3%	33.8%
$100k – $200k	16.6%	15.0%	20.1%
Over $200k	4.3%	3.9%	4.4%

Demographics & statistics

1,064

Population

People per sq mi

36.3

Median age

$63,333

Median household income

$30,643

Per capita income

$94,200

Median home value

$706

Median monthly rent

75.4%

Home ownership

27.4%

Poverty rate

6.4%

Unemployment

375

Housing units

25.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	357	33.6%
18 and over	707	66.4%
65 and over	215	20.2%
Median age	36.3 years

Race & ethnicity

White 97.3%

American Indian / Alaska Native 1.2%

Two or more races 1.1%

Hispanic or Latino 0.2%

Other race 0.2%

Group	Count	%
White	1,037	97.3%
American Indian / Alaska Native	13	1.2%
Two or more races	12	1.1%
Hispanic or Latino	2	0.2%
Other race	2	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	46.3%	48.9%	41.7%
$50k – $100k	32.7%	32.3%	33.8%
$100k – $200k	16.6%	15.0%	20.1%
Over $200k	4.3%	3.9%	4.4%

Under $10k 8.2%

$10k–$15k 6.3%

$15k–$25k 6.5%

$25k–$35k 9.7%

$35k–$50k 12.1%

$50k–$75k 14.7%

$75k–$100k 19.8%

$100k–$150k 11.6%

$150k–$200k 4.3%

$200k+ 6.8%

Range	% of households
Under $10k	8.2%
$10k–$15k	6.3%
$15k–$25k	6.5%
$25k–$35k	9.7%
$35k–$50k	12.1%
$50k–$75k	14.7%
$75k–$100k	19.8%
$100k–$150k	11.6%
$150k–$200k	4.3%
$200k+	6.8%
Median income	$63,333

Housing

Home values

Under $50k 23.4%

$50k–$100k 34.9%

$100k–$150k 6.7%

$150k–$200k 4.8%

$200k–$300k 14.1%

$300k–$500k 5.4%

$500k–$1M 8.3%

$1M+ 2.2%

Housing overview

Metric	Value
Median home value	$94,200
Median rent / month	$706
Owner occupied	75.4%
Renter occupied	24.6%
Vacant	13.2%
Single-family detached	91.6%
Large apartment buildings	0.0%
Mobile homes	3.6%
Median rooms	6.3
Avg household size (owned)	2.79

Year built

Era	%
2020 or later	0.0%
2010–2019	5.7%
2000–2009	3.1%
1990–1999	4.4%
1980–1989	6.9%
1970–1979	17.4%
1960–1969	4.8%
1950–1959	6.5%
1940–1949	6.5%
1939 or earlier	44.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.3%
2 bedrooms	30.0%
3 bedrooms	39.6%
4 bedrooms	18.0%
5+ bedrooms	10.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	22.0%
2 vehicles	28.0%
3 or more	48.1%

Heating fuel

Fuel type	%
Utility gas	1.2%
Electricity	50.0%
Propane / LP gas	39.9%
Fuel oil	7.7%
Wood	0.5%

Households & families

Household type	Count	%
Married-couple family	276	66.7%
Cohabiting couple	11	2.7%
Male householder, no spouse	78	18.8%
Female householder, no spouse	49	11.8%
Households with children under 18	105	25.4%
Households with seniors (65+)	155	37.4%
Average household size	2.57

Marital status

Status	Male	Female
Never married	26.5%	17.8%
Married	68.7%	72.6%
Separated	0.0%	2.3%
Widowed	3.6%	6.3%
Divorced	1.3%	1.0%

Education

Less than 9th grade 5.5%

Some HS, no diploma 4.0%

HS graduate 21.7%

Some college, no degree 26.1%

Associate's degree 17.1%

Bachelor's degree 13.3%

Graduate / professional 12.4%

Metric	%
HS diploma or higher	90.5%
Bachelor's or higher	25.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	21	6.0%
Kindergarten	23	6.6%
Elementary school	187	53.4%
High school	87	24.9%
College / grad school	32	9.1%

Employment

Industry of employment

Education & healthcare 32.9%

Construction 15.2%

Agriculture & mining 12.8%

Manufacturing 9.7%

Professional & management 9.2%

Retail trade 5.0%

Public administration 5.0%

Other services 2.4%

Transportation & utilities 2.1%

Finance & real estate 2.1%

Wholesale trade 1.9%

Information 1.4%

Arts, food & hospitality 0.2%

Occupation

Category	%
Management, business & arts	42.7%
Service	12.3%
Sales & office	13.0%
Natural resources & construction	19.4%
Production & transportation	12.6%

Employment type

Type	%
Private sector	54.7%
Government	22.5%
Self-employed	22.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.5%
Carpool	12.9%
Public transit	0.0%
Walk	1.0%
Work from home	10.5%
Other means	1.2%
Avg commute (minutes)	26.0

Poverty

All people 27.4%

Under 18 years 54.1%

18 and over 14.0%

Married-couple families 12.7%

Female-led households 52.9%

Income support

Source	% of households
Social Security	41.5%
Retirement income	24.4%
Supplemental Security	2.9%
Cash public assistance	0.0%
Food stamps / SNAP	7.2%

Health indicators

Condition	%
Obesity	34.6%
High blood pressure	34.2%
High cholesterol	32.3%
Diabetes	10.4%
Heart disease	8.4%
Stroke	3.8%
Asthma	8.9%
Arthritis	27.2%
Kidney disease	3.4%
Pulmonary disease	7.3%
Cancer	8.4%

Behavior / access	%
Smoking	19.3%
Binge drinking	18.4%
No physical activity	25.4%
Less than 7 hrs sleep	28.5%
Depression	15.3%
Fair or poor health	13.1%
Poor mental health	10.7%
Poor physical health	9.9%
No health insurance	12.9%
Visited doctor (checkup)	75.7%
Visited dentist	63.0%
Cholesterol screening	89.0%
Teeth loss	16.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	29	4.1%

Disability	%
Any disability	12.1%
Under 18	1.4%
18–64 years	7.3%
65 and over	40.9%

Health insurance coverage

Type	%
Private insurance	67.0%
Public insurance	44.1%
No insurance	5.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,003	94.3%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,062	99.8%
Born in same state	1,062	99.8%
Born in different state	831	78.1%
Foreign born	0	0.0%
Naturalized citizen	2	0.2%
Not a US citizen	2	100.0%

Ancestry

Ancestry	Count	%
English	334	31.4%
Italian	55	5.2%
Arab	53	5%

Ancestry	Count	%
Polish	51	4.8%
French	40	3.8%
Dutch	22	2.1%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	86.7%

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

Frequently asked questions about ZIP code 57315

What city is ZIP code 57315 in?

ZIP code 57315 is primarily assigned to Avon, South Dakota.

What county is ZIP code 57315 in?

ZIP code 57315 falls within Bon Homme County, South Dakota.

Is ZIP code 57315 family-oriented?

34% of residents in ZIP code 57315 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 57315?

27% of residents in ZIP code 57315 live below the poverty line, above the national average.

Does ZIP code 57315 have a large retiree population?

42% of households in ZIP code 57315 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 57315?

The median home value in ZIP code 57315 is $94,200.

What timezone is ZIP code 57315 in?

ZIP code 57315 observes the CST timezone.