57648 ZIP Code — Pollock, SD

Campbell County, South Dakota

ZIP code 57648 is located in Pollock, South Dakota, within Campbell County. It covers approximately 237.44 square miles and serves a population of 419 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57648

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 $84,400. Owner-occupancy is high at 80%, well above the national average.

Median household income is $72,188. 41% 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 16 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Overall, ZIP code 57648 reflects a community defined by high homeownership and a significant Social Security-dependent population.

419

population

237.44

sq mi land

Standard

ZIP type

Central (CT)

timezone

57648 ZIP code map

Cities in ZIP code 57648

Below are the cities the US Postal Service accepts for ZIP code 57648. Using any city not on this list may result in mail delivery delays.

City	Status
Pollock	Preferred

Nearby ZIP codes

57632 Herreid (12.2 mi) 57658 Wakpala (13.7 mi) 57646 Mound City (14.2 mi) 58573 Strasburg (16.3 mi) 57631 Glenham (17.8 mi)

Demographics updated 05/2026

Population
Total population	419
Population density	2 / sq mi
State FIPS	46
County FIPS	021

Geography
Land area	237.44 sq mi
Water area	24.33 sq mi
Latitude	45.8373
Longitude	-100.3048
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	50.3%	42.4%	41.7%
$50k – $100k	26.7%	30.6%	33.8%
$100k – $200k	21.8%	24.7%	20.1%
Over $200k	1.2%	2.3%	4.4%

Demographics & statistics

419

Population

People per sq mi

52.4

Median age

$72,188

Median household income

$46,631

Per capita income

$84,400

Median home value

$713

Median monthly rent

79.6%

Home ownership

10.6%

Poverty rate

2.7%

Unemployment

285

Housing units

24.5%

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	53	12.6%
18 and over	366	87.4%
65 and over	123	29.4%
Median age	52.4 years

Race & ethnicity

White 96.9%

Two or more races 2.4%

Hispanic or Latino 0.5%

Asian 0.2%

Group	Count	%
White	408	96.9%
Two or more races	10	2.4%
Hispanic or Latino	2	0.5%
Asian	1	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.3%	42.4%	41.7%
$50k – $100k	26.7%	30.6%	33.8%
$100k – $200k	21.8%	24.7%	20.1%
Over $200k	1.2%	2.3%	4.4%

Under $10k 2.4%

$10k–$15k 7.8%

$15k–$25k 12.6%

$25k–$35k 3.9%

$35k–$50k 11.2%

$50k–$75k 16.0%

$75k–$100k 11.7%

$100k–$150k 17.5%

$150k–$200k 10.2%

$200k+ 6.8%

Range	% of households
Under $10k	2.4%
$10k–$15k	7.8%
$15k–$25k	12.6%
$25k–$35k	3.9%
$35k–$50k	11.2%
$50k–$75k	16.0%
$75k–$100k	11.7%
$100k–$150k	17.5%
$150k–$200k	10.2%
$200k+	6.8%
Median income	$72,188

Housing

Home values

Under $50k 31.1%

$50k–$100k 29.9%

$100k–$150k 7.9%

$150k–$200k 6.7%

$200k–$300k 6.7%

$300k–$500k 17.7%

Housing overview

Metric	Value
Median home value	$84,400
Median rent / month	$713
Owner occupied	79.6%
Renter occupied	20.4%
Vacant	37.0%
Single-family detached	78.6%
Large apartment buildings	0.0%
Mobile homes	13.1%
Median rooms	6.1
Avg household size (owned)	2.10

Year built

Era	%
2020 or later	0.0%
2010–2019	4.3%
2000–2009	3.4%
1990–1999	10.4%
1980–1989	14.1%
1970–1979	5.5%
1960–1969	11.6%
1950–1959	19.9%
1940–1949	8.6%
1939 or earlier	22.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	8.6%
2 bedrooms	25.7%
3 bedrooms	36.1%
4 bedrooms	19.9%
5+ bedrooms	8.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	22.8%
2 vehicles	28.2%
3 or more	49.0%

Heating fuel

Fuel type	%
Utility gas	6.8%
Electricity	24.8%
Propane / LP gas	63.1%
Fuel oil	5.3%

Households & families

Household type	Count	%
Married-couple family	131	63.6%
Cohabiting couple	0	0.0%
Male householder, no spouse	49	23.8%
Female householder, no spouse	26	12.6%
Households with children under 18	40	19.4%
Households with seniors (65+)	84	40.8%
Average household size	2.01

Marital status

Status	Male	Female
Never married	21.8%	10.8%
Married	67.5%	76.8%
Separated	6.1%	0.0%
Widowed	0.0%	11.9%
Divorced	4.6%	0.5%

Education

Less than 9th grade 2.0%

Some HS, no diploma 2.6%

HS graduate 40.6%

Some college, no degree 20.7%

Associate's degree 9.5%

Bachelor's degree 17.6%

Graduate / professional 6.9%

Metric	%
HS diploma or higher	95.4%
Bachelor's or higher	24.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	6.0%
Kindergarten	0	0.0%
Elementary school	27	40.3%
High school	18	26.9%
College / grad school	18	26.9%

Employment

Industry of employment

Agriculture & mining 22.6%

Education & healthcare 16.1%

Wholesale trade 12.1%

Manufacturing 8.5%

Transportation & utilities 7.3%

Construction 6.5%

Other services 5.6%

Retail trade 5.2%

Finance & real estate 5.2%

Arts, food & hospitality 5.2%

Professional & management 2.8%

Public administration 2.8%

Occupation

Category	%
Management, business & arts	41.1%
Service	17.3%
Sales & office	16.5%
Natural resources & construction	14.5%
Production & transportation	10.5%

Employment type

Type	%
Private sector	71.4%
Government	12.1%
Self-employed	16.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	61.9%
Carpool	8.1%
Public transit	0.0%
Walk	11.3%
Work from home	14.2%
Other means	4.5%
Avg commute (minutes)	16.3

Poverty

All people 10.6%

Under 18 years 7.5%

18 and over 11.0%

Married-couple families 10.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	41.3%
Retirement income	18.4%
Supplemental Security	0.0%
Cash public assistance	3.9%
Food stamps / SNAP	2.4%

Health indicators

Condition	%
Obesity	31.2%
High blood pressure	37.8%
High cholesterol	36.4%
Diabetes	10.9%
Heart disease	9.2%
Stroke	3.9%
Asthma	8.1%
Arthritis	29.8%
Kidney disease	3.7%
Pulmonary disease	6.9%
Cancer	10.2%

Behavior / access	%
Smoking	14.9%
Binge drinking	16.6%
No physical activity	24.0%
Less than 7 hrs sleep	25.8%
Depression	13.5%
Fair or poor health	12.1%
Poor mental health	8.8%
Poor physical health	9.3%
No health insurance	10.9%
Visited doctor (checkup)	78.2%
Visited dentist	70.6%
Cholesterol screening	92.4%
Teeth loss	13.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	34	9.3%

Disability	%
Any disability	14.6%
Under 18	0.0%
18–64 years	13.2%
65 and over	23.6%

Health insurance coverage

Type	%
Private insurance	78.5%
Public insurance	37.5%
No insurance	1.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	411	98.1%
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)	418	99.8%
Born in same state	415	99.0%
Born in different state	217	51.8%
Foreign born	3	0.7%
Naturalized citizen	1	0.2%
Not a US citizen	1	100.0%

Ancestry

Ancestry	Count	%
English	126	30.1%
Polish	73	17.4%
German	4	1%

Ancestry	Count	%
Italian	4	1%
Arab	3	0.7%
French	1	0.2%

Technology access

Metric	% of households
Computer access	49.2%
Internet access	84.0%

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

Frequently asked questions about ZIP code 57648

What city is ZIP code 57648 in?

ZIP code 57648 is primarily assigned to Pollock, South Dakota.

What county is ZIP code 57648 in?

ZIP code 57648 falls within Emmons County, South Dakota.

Does ZIP code 57648 have an older population?

29% of residents in ZIP code 57648 are 65 or older, above the national average of ~17%.

Does ZIP code 57648 have a large retiree population?

41% of households in ZIP code 57648 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 57648?

The median home value in ZIP code 57648 is $84,400.

Does ZIP code 57648 have a large veteran population?

9% of civilians in ZIP code 57648 are veterans, above the national average of ~7%.

What timezone is ZIP code 57648 in?

ZIP code 57648 observes the CST timezone.