57735 ZIP Code — Edgemont, SD

Fall River County, South Dakota

ZIP code 57735 is located in Edgemont, South Dakota, within Fall River County. It covers approximately 904.55 square miles and serves a population of 1,614 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 605.

About ZIP code 57735

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 $107,500. Owner-occupancy is high at 78%, well above the national average.

Median household income is $56,591. Poverty affects 19% of residents, above the national average. 49% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 33 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

21% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 57735 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,614

population

904.55

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

57735 ZIP code map

Cities in ZIP code 57735

Below are the cities the US Postal Service accepts for ZIP code 57735. Using any city not on this list may result in mail delivery delays.

City	Status
Edgemont	Acceptable
Edgemont	Preferred

Nearby ZIP codes

57747 Hot Springs (11.4 mi)

Demographics updated 05/2026

Population
Total population	1,614
Population density	2 / sq mi
State FIPS	46
County FIPS	047

Geography
Land area	904.55 sq mi
Water area	0.68 sq mi
Latitude	43.3811
Longitude	-103.7007
Timezone	Mountain (MT)
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	56.8%	48.6%	41.7%
$50k – $100k	28.5%	29.9%	33.8%
$100k – $200k	14.2%	20.1%	20.1%
Over $200k	0.5%	1.4%	4.4%

Demographics & statistics

1,614

Population

People per sq mi

43.7

Median age

$56,591

Median household income

$30,786

Per capita income

$107,500

Median home value

$831

Median monthly rent

78.0%

Home ownership

19.3%

Poverty rate

3.1%

Unemployment

737

Housing units

17.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

113

15–19

20–24

25–34

35–44

125

45–54

110

55–59

60–64

131

65–74

115

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	386	23.9%
18 and over	1,228	76.1%
65 and over	339	21.0%
Median age	43.7 years

Race & ethnicity

White 77%

Two or more races 11.1%

Hispanic or Latino 5.7%

American Indian / Alaska Native 5.1%

Black or African American 0.5%

Asian 0.5%

Group	Count	%
White	1,318	77%
Two or more races	190	11.1%
Hispanic or Latino	98	5.7%
American Indian / Alaska Native	88	5.1%
Black or African American	9	0.5%
Asian	9	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	56.8%	48.6%	41.7%
$50k – $100k	28.5%	29.9%	33.8%
$100k – $200k	14.2%	20.1%	20.1%
Over $200k	0.5%	1.4%	4.4%

Under $10k 3.6%

$10k–$15k 4.0%

$15k–$25k 16.5%

$25k–$35k 9.7%

$35k–$50k 13.4%

$50k–$75k 14.9%

$75k–$100k 12.9%

$100k–$150k 16.0%

$150k–$200k 5.3%

$200k+ 3.6%

Range	% of households
Under $10k	3.6%
$10k–$15k	4.0%
$15k–$25k	16.5%
$25k–$35k	9.7%
$35k–$50k	13.4%
$50k–$75k	14.9%
$75k–$100k	12.9%
$100k–$150k	16.0%
$150k–$200k	5.3%
$200k+	3.6%
Median income	$56,591

Housing

Home values

Under $50k 22.0%

$50k–$100k 25.5%

$100k–$150k 10.8%

$150k–$200k 7.1%

$200k–$300k 11.8%

$300k–$500k 12.4%

$500k–$1M 8.1%

$1M+ 2.3%

Housing overview

Metric	Value
Median home value	$107,500
Median rent / month	$831
Owner occupied	78.0%
Renter occupied	22.0%
Vacant	29.2%
Single-family detached	81.0%
Large apartment buildings	3.2%
Mobile homes	12.4%
Median rooms	5.3
Avg household size (owned)	2.87

Year built

Era	%
2020 or later	0.7%
2010–2019	9.6%
2000–2009	9.9%
1990–1999	5.8%
1980–1989	9.9%
1970–1979	20.5%
1960–1969	2.2%
1950–1959	11.0%
1940–1949	7.1%
1939 or earlier	23.4%

Bedrooms

Size	% of units
No bedroom (studio)	3.0%
1 bedroom	16.3%
2 bedrooms	30.8%
3 bedrooms	30.1%
4 bedrooms	13.2%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	16.7%
2 vehicles	38.8%
3 or more	42.4%

Heating fuel

Fuel type	%
Utility gas	1.5%
Electricity	34.5%
Propane / LP gas	51.6%
Fuel oil	3.2%
Wood	8.7%

Households & families

Household type	Count	%
Married-couple family	276	44.7%
Cohabiting couple	63	10.2%
Male householder, no spouse	154	24.9%
Female householder, no spouse	125	20.2%
Households with children under 18	114	18.4%
Households with seniors (65+)	247	40.0%
Average household size	2.61

Marital status

Status	Male	Female
Never married	39.8%	32.2%
Married	38.6%	46.5%
Separated	0.9%	1.0%
Widowed	3.0%	9.4%
Divorced	17.7%	11.0%

Education

Less than 9th grade 1.0%

Some HS, no diploma 3.0%

HS graduate 41.5%

Some college, no degree 28.2%

Associate's degree 8.4%

Bachelor's degree 12.4%

Graduate / professional 5.5%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	17.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	1.9%
Kindergarten	40	9.7%
Elementary school	173	41.9%
High school	131	31.7%
College / grad school	61	14.8%

Employment

Industry of employment

Agriculture & mining 28.8%

Education & healthcare 21.8%

Retail trade 11.8%

Transportation & utilities 10.8%

Construction 7.7%

Arts, food & hospitality 6.1%

Manufacturing 3.4%

Public administration 2.9%

Other services 2.8%

Wholesale trade 1.3%

Professional & management 1.3%

Finance & real estate 1.2%

Occupation

Category	%
Management, business & arts	28.1%
Service	17.5%
Sales & office	14.5%
Natural resources & construction	22.4%
Production & transportation	17.5%

Employment type

Type	%
Private sector	63.5%
Government	17.5%
Self-employed	15.9%
Unpaid family workers	3.1%

Commute

Method	%
Drive alone	68.7%
Carpool	13.7%
Public transit	1.9%
Walk	5.6%
Work from home	10.1%
Other means	0.0%
Avg commute (minutes)	32.6

Poverty

All people 19.3%

Under 18 years 34.0%

18 and over 14.7%

Married-couple families 8.0%

Female-led households 3.1%

Income support

Source	% of households
Social Security	49.2%
Retirement income	22.2%
Supplemental Security	3.9%
Cash public assistance	1.6%
Food stamps / SNAP	6.8%

Health indicators

Condition	%
Obesity	34.7%
High blood pressure	36.8%
High cholesterol	35.0%
Diabetes	11.2%
Heart disease	8.8%
Stroke	3.9%
Asthma	9.2%
Arthritis	29.0%
Kidney disease	3.6%
Pulmonary disease	7.5%
Cancer	8.7%

Behavior / access	%
Smoking	18.1%
Binge drinking	17.1%
No physical activity	24.3%
Less than 7 hrs sleep	27.7%
Depression	15.7%
Fair or poor health	13.4%
Poor mental health	10.3%
Poor physical health	10.3%
No health insurance	11.4%
Visited doctor (checkup)	77.9%
Visited dentist	67.5%
Cholesterol screening	91.0%
Teeth loss	14.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	163	13.3%

Disability	%
Any disability	17.9%
Under 18	4.4%
18–64 years	16.5%
65 and over	36.9%

Health insurance coverage

Type	%
Private insurance	52.2%
Public insurance	42.6%
No insurance	21.4%
Uninsured under 19	24.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,533	95.0%
Spanish	2	0.1%
Other Indo-European	0	0.0%
Asian & Pacific Islander	2	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,605	99.4%
Born in same state	1,605	99.4%
Born in different state	667	41.3%
Foreign born	0	0.0%
Naturalized citizen	9	0.6%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	192	11.9%
French	135	8.4%
Polish	91	5.6%

Ancestry	Count	%
Arab	55	3.4%
English	45	2.8%
Dutch	37	2.3%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	84.6%

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

Frequently asked questions about ZIP code 57735

What city is ZIP code 57735 in?

ZIP code 57735 is primarily assigned to Edgemont, South Dakota.

What county is ZIP code 57735 in?

ZIP code 57735 falls within Fall River County, South Dakota.

Does ZIP code 57735 have a large retiree population?

49% of households in ZIP code 57735 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 57735?

19% of residents in ZIP code 57735 live below the poverty line, above the national average.

Does ZIP code 57735 have a large veteran population?

13% of civilians in ZIP code 57735 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 57735?

The median home value in ZIP code 57735 is $107,500.

What timezone is ZIP code 57735 in?

ZIP code 57735 observes the MST timezone.