Long Lake ZIP Code List — Mcpherson County, SD

There is one unique ZIP code in Long Lake, South Dakota and it is 57457. Area code: 605.

ZIP codes

147.76

sq mi land

4.94

sq mi water

605

area code

Long Lake, SD ZIP code map

About Long Lake, SD

Long Lake is a small yet charming community located in South Dakota. Nestled within Mcpherson County, this city is known for its scenic landscapes and a close-knit community atmosphere. The ZIP code for Long Lake is 57457, making it an identifiable point for visitors and residents alike.

Location & geography

Long Lake is situated in northeastern South Dakota and is surrounded by stunning natural scenery. Notable nearby cities include Eureka, approximately 18 miles to the southwest, and Hosmer, about 19 miles to the west. The land area of Long Lake spans 147.76 square miles, with 4.94 square miles covered by water, providing a diverse terrain for outdoor enthusiasts.

Community & economy

The character of Long Lake is defined by its welcoming residents and a rural lifestyle that many find appealing. The local economy primarily revolves around agriculture and related industries, providing jobs and supporting the community's way of life. Daily life in Long Lake is relaxed, with many opportunities for outdoor activities such as fishing and hunting in the surrounding areas.

Transportation

Access to Long Lake is primarily via the state highways that connect it to surrounding towns and cities. The nearest major airport is Ellendale Municipal Airport, located about 45 miles away, offering limited commercial services. Residents typically rely on personal vehicles for commuting and travel.

History

Long Lake was established in the late 19th century as a farming community and has since maintained its agricultural roots. Key industries in the area historically revolved around farming and livestock, which remain vital to the local economy today. The town continues to thrive as a small, tight-knit community with a rich heritage.

Did you know?

One surprising fact about Long Lake is that despite its small size, it offers access to serene outdoor environments that attract nature lovers. Additionally, the city is known for its peaceful atmosphere, making it a great retreat for those looking to escape urban life.

ZIP codes for Long Lake, SD (1)

ZIP code	City	County	Map
57457	Long Lake	Mcpherson	View map

Demographics & statistics

Population

48.9

Median age

Median household income

$58,258

Per capita income

Median home value

Median monthly rent

76.2%

Home ownership

1.1%

Poverty rate

0.0%

Unemployment

Housing units

9.7%

Bachelor's or higher

Age distribution

Male Female

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	16	18.2%
18 and over	72	81.8%
65 and over	23	26.1%
Median age	48.9 years

Race & ethnicity

White 100%

Group	Count	%
White	88	100%

Household income

$10k–$15k 2.4%

$15k–$25k 9.5%

$25k–$35k 16.7%

$50k–$75k 23.8%

$75k–$100k 4.8%

$100k–$150k 31.0%

$200k+ 11.9%

Range	% of households
$10k–$15k	2.4%
$15k–$25k	9.5%
$25k–$35k	16.7%
$50k–$75k	23.8%
$75k–$100k	4.8%
$100k–$150k	31.0%
$200k+	11.9%
Median income	$0

Housing

Home values

Under $50k 43.8%

$50k–$100k 18.8%

$100k–$150k 6.3%

$200k–$300k 15.6%

$500k–$1M 15.6%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	76.2%
Renter occupied	23.8%
Vacant	61.1%
Single-family detached	89.8%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.4
Avg household size (owned)	1.38

Year built

Era	%
2020 or later	0.0%
2010–2019	4.6%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	3.7%
1970–1979	5.6%
1960–1969	11.1%
1950–1959	13.0%
1940–1949	16.7%
1939 or earlier	45.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.8%
2 bedrooms	28.7%
3 bedrooms	16.7%
4 bedrooms	39.8%
5+ bedrooms	12.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	26.2%
2 vehicles	21.4%
3 or more	52.4%

Heating fuel

Fuel type	%
Electricity	45.2%
Propane / LP gas	28.6%
Fuel oil	26.2%

Households & families

Household type	Count	%
Married-couple family	19	45.2%
Cohabiting couple	0	0.0%
Male householder, no spouse	23	54.8%
Female householder, no spouse	0	0.0%
Households with children under 18	7	16.7%
Households with seniors (65+)	19	45.2%
Average household size	2.10

Marital status

Status	Male	Female
Never married	24.5%	20.8%
Married	60.4%	79.2%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	15.1%	0.0%

Education

Less than 9th grade 4.2%

Some HS, no diploma 2.8%

HS graduate 25.0%

Some college, no degree 36.1%

Associate's degree 22.2%

Bachelor's degree 0.0%

Graduate / professional 9.7%

Metric	%
HS diploma or higher	93.1%
Bachelor's or higher	9.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	8	61.5%
High school	5	38.5%
College / grad school	0	0.0%

Employment

Industry of employment

Agriculture & mining 58.8%

Public administration 13.7%

Construction 9.8%

Professional & management 9.8%

Transportation & utilities 3.9%

Finance & real estate 3.9%

Occupation

Category	%
Management, business & arts	25.5%
Service	0.0%
Sales & office	9.8%
Natural resources & construction	64.7%
Production & transportation	0.0%

Employment type

Type	%
Private sector	54.9%
Government	17.6%
Self-employed	27.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	60.8%
Carpool	3.9%
Public transit	0.0%
Walk	31.4%
Other means	3.9%
Avg commute (minutes)	12.2

Poverty

All people 1.1%

Under 18 years 0.0%

18 and over 1.4%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	40.5%
Retirement income	14.3%
Supplemental Security	9.5%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	41.0%
High cholesterol	38.8%
Heart disease	10.2%
Stroke	4.7%
Asthma	8.7%
Arthritis	33.0%
Kidney disease	4.2%
Pulmonary disease	9.1%
Cancer	9.9%

Behavior / access	%
Binge drinking	16.0%
No physical activity	29.4%
Less than 7 hrs sleep	28.0%
Fair or poor health	15.9%
Poor mental health	9.2%
Poor physical health	11.7%
No health insurance	13.8%
Visited doctor (checkup)	79.2%
Visited dentist	65.7%
Cholesterol screening	93.4%
Teeth loss	16.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	6	8.3%

Disability	%
Any disability	5.7%
Under 18	0.0%
18–64 years	6.1%
65 and over	8.7%

Health insurance coverage

Type	%
Private insurance	90.9%
Public insurance	30.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	88	100.0%
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)	88	100.0%
Born in same state	88	100.0%
Born in different state	56	63.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	9	10.2%
Italian	5	5.7%

Ancestry	Count	%
Polish	3	3.4%

Technology access

Metric	% of households
Computer access	47.7%
Internet access	73.8%

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

Frequently asked questions

What is the ZIP code for Long Lake, SD?

Long Lake, SD has one ZIP code: 57457.

What is the main ZIP code for Long Lake, SD?

The primary ZIP code for Long Lake, SD is 57457. The city uses area code 605 for phone service.

What county is Long Lake, SD in?

Long Lake is located in Mcpherson County, South Dakota.

How many ZIP codes are in Long Lake, SD?

Long Lake, SD has 1 ZIP code.

What is the ZIP code for Long Lake's downtown area and main business district?

Long Lake's downtown area and main business district are served by ZIP code 57457, which covers the central portion of this McPherson County community.

If I'm mailing something to a residence in Long Lake, SD, what ZIP code should I use?

All residential addresses in Long Lake, South Dakota use the single ZIP code 57457, as this is the only ZIP code serving the entire city.