57470 ZIP Code — Rockham, SD

Faulk County, South Dakota

ZIP code 57470 is located in Rockham, South Dakota, within Faulk County. It covers approximately 149.72 square miles and serves a population of 117 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

117

population

149.72

sq mi land

Standard

ZIP type

Central (CT)

timezone

57470 ZIP code map

Cities in ZIP code 57470

Below are the cities the US Postal Service accepts for ZIP code 57470. Using any city not on this list may result in mail delivery delays.

City	Status
Rockham	Preferred

Nearby ZIP codes

57469 Redfield (14.2 mi) 57467 Orient (14.2 mi) 57476 Tulare (17.3 mi) 57438 Faulkton (18.3 mi) 57424 Ashton (19 mi) 57465 Northville (19.1 mi)

Demographics updated 05/2026

Population
Total population	117
Population density	1 / sq mi
State FIPS	46
County FIPS	049

Geography
Land area	149.72 sq mi
Water area	1.31 sq mi
Latitude	44.8962
Longitude	-98.8435
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	14.8%	49.8%	41.7%
$50k – $100k	74.1%	31.7%	33.8%
$100k – $200k	11.1%	18.0%	20.1%
Over $200k	0.0%	0.5%	4.4%

Demographics & statistics

117

Population

People per sq mi

34.9

Median age

$63,750

Median household income

$20,731

Per capita income

$96,900

Median home value

Median monthly rent

100.0%

Home ownership

47.0%

Poverty rate

0.0%

Unemployment

Housing units

16.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	50	42.7%
18 and over	67	57.3%
65 and over	21	17.9%
Median age	34.9 years

Race & ethnicity

White 95.8%

Two or more races 2.5%

Hispanic or Latino 1.7%

Group	Count	%
White	114	95.8%
Two or more races	3	2.5%
Hispanic or Latino	2	1.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.8%	49.8%	41.7%
$50k – $100k	74.1%	31.7%	33.8%
$100k – $200k	11.1%	18.0%	20.1%
Over $200k	0.0%	0.5%	4.4%

$25k–$35k 20.0%

$35k–$50k 8.6%

$50k–$75k 34.3%

$75k–$100k 5.7%

$100k–$150k 28.6%

$150k–$200k 2.9%

Range	% of households
$25k–$35k	20.0%
$35k–$50k	8.6%
$50k–$75k	34.3%
$75k–$100k	5.7%
$100k–$150k	28.6%
$150k–$200k	2.9%
Median income	$63,750

Housing

Home values

Under $50k 25.7%

$50k–$100k 31.4%

$100k–$150k 5.7%

$150k–$200k 17.1%

$200k–$300k 20.0%

Housing overview

Metric	Value
Median home value	$96,900
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	53.9%
Single-family detached	88.2%
Large apartment buildings	0.0%
Mobile homes	11.8%
Median rooms	5.4
Avg household size (owned)	3.34

Year built

Era	%
2020 or later	0.0%
2010–2019	13.2%
2000–2009	0.0%
1990–1999	9.2%
1980–1989	0.0%
1970–1979	18.4%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	59.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	28.9%
3 bedrooms	44.7%
4 bedrooms	26.3%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	8.6%
3 or more	91.4%

Heating fuel

Fuel type	%
Electricity	37.1%
Propane / LP gas	62.9%

Households & families

Household type	Count	%
Married-couple family	28	80.0%
Cohabiting couple	7	20.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	0	0.0%
Households with children under 18	10	28.6%
Households with seniors (65+)	17	48.6%
Average household size	3.34

Marital status

Status	Male	Female
Never married	0.0%	15.6%
Married	80.0%	84.4%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	20.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 46.3%

Some college, no degree 25.4%

Associate's degree 11.9%

Bachelor's degree 11.9%

Graduate / professional 4.5%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	16.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	26.7%
Kindergarten	0	0.0%
Elementary school	22	73.3%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Agriculture & mining 65.1%

Education & healthcare 14.0%

Public administration 9.3%

Retail trade 7.0%

Manufacturing 2.3%

Professional & management 2.3%

Occupation

Category	%
Management, business & arts	72.1%
Service	4.7%
Sales & office	23.3%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	34.9%
Government	14.0%
Self-employed	37.2%
Unpaid family workers	14.0%

Commute

Method	%
Drive alone	46.5%
Carpool	23.3%
Public transit	0.0%
Walk	0.0%
Work from home	30.2%
Other means	0.0%
Avg commute (minutes)	29.0

Poverty

All people 47.0%

Under 18 years 84.0%

18 and over 19.4%

Married-couple families 25.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	34.3%
Retirement income	14.3%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	32.9%
High blood pressure	36.2%
High cholesterol	34.4%
Diabetes	10.5%
Heart disease	8.9%
Stroke	3.8%
Asthma	8.3%
Arthritis	28.4%
Kidney disease	3.5%
Pulmonary disease	6.7%
Cancer	9.4%

Behavior / access	%
Smoking	15.3%
Binge drinking	17.3%
No physical activity	23.4%
Less than 7 hrs sleep	26.8%
Depression	14.0%
Fair or poor health	11.7%
Poor mental health	9.2%
Poor physical health	9.3%
No health insurance	9.9%
Visited doctor (checkup)	77.9%
Visited dentist	70.3%
Cholesterol screening	92.2%
Teeth loss	13.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	10	14.9%

Disability	%
Any disability	11.1%
Under 18	0.0%
18–64 years	28.3%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	92.3%
Public insurance	25.6%
No insurance	2.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	106	90.6%
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)	117	100.0%
Born in same state	117	100.0%
Born in different state	96	82.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	9	7.7%
Italian	4	3.4%

Ancestry	Count	%
Polish	2	1.7%
French	1	0.9%

Technology access

Metric	% of households
Computer access	29.9%
Internet access	100.0%

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

Frequently asked questions about ZIP code 57470

What city is ZIP code 57470 in?

ZIP code 57470 is primarily assigned to Rockham, South Dakota.

What county is ZIP code 57470 in?

ZIP code 57470 falls within Faulk County, South Dakota.

What is the poverty rate in ZIP code 57470?

47% of residents in ZIP code 57470 live below the poverty line, above the national average.

Is ZIP code 57470 family-oriented?

43% of residents in ZIP code 57470 are under 18, reflecting a younger, family-oriented community.

Does ZIP code 57470 have a large veteran population?

15% of civilians in ZIP code 57470 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 57470?

The median home value in ZIP code 57470 is $96,900.

What timezone is ZIP code 57470 in?

ZIP code 57470 observes the CST timezone.