Clear Lake ZIP Codes — Deuel County, SD

There is one unique ZIP code in Clear Lake, South Dakota and it is 57226. Area code: 605.

ZIP codes

191.00

sq mi land

5.50

sq mi water

605

area code

Clear Lake, SD ZIP code map

About Clear Lake, SD

Clear Lake, South Dakota, is a charming city located in the heart of Deuel County. Known for its natural beauty and friendly community, Clear Lake offers a peaceful rural lifestyle. The city is characterized by its scenic surroundings and a strong sense of local pride among its residents.

Location & geography

Clear Lake is situated in the northeastern part of South Dakota, with a total land area of 191.00 square miles and 5.50 square miles of water. The city is conveniently located near several other communities, including Madison to the southwest, which is approximately 27 miles away, and Brookings to the southeast, about 35 miles distant. The terrain surrounding Clear Lake features both flat lands and picturesque lakes, making it an attractive area for outdoor activities.

Community & economy

The community of Clear Lake is known for its close-knit atmosphere and welcoming residents. Agriculture plays a significant role in the local economy, and many residents are engaged in farming or related industries. Daily life in Clear Lake often revolves around community events, local sporting activities, and the enjoyment of the area's natural resources.

Transportation

Clear Lake is accessible via South Dakota Highway 22, which runs east to west and connects the city to other regional roads. The nearest major airport is the Brookings Regional Airport, located about 35 miles to the southeast, providing air travel options for residents and visitors. Local transportation primarily relies on personal vehicles, as public transit options are limited.

History

Clear Lake was founded in the late 19th century and has grown steadily since then, with agriculture being a cornerstone of its development. Over the years, the city has witnessed various events and changes that shaped its identity, including the establishment of local businesses and community organizations. Clear Lake has maintained its agricultural roots while embracing modern developments that support local residents.

Did you know?

A surprising fact about Clear Lake is that it gets its name from the nearby Clear Lake, which is known for its excellent fishing opportunities. This lake attracts anglers and outdoor enthusiasts from around the region, contributing to the city's reputation as a recreational spot.

ZIP codes for Clear Lake, SD (1)

ZIP code	City	County	Map
57226	Clear Lake	Deuel	View map

Demographics & statistics

1,820

Population

43.6

Median age

$72,083

Median household income

$33,932

Per capita income

$178,300

Median home value

$585

Median monthly rent

74.1%

Home ownership

7.4%

Poverty rate

2.1%

Unemployment

683

Housing units

22.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

112

35–44

105

45–54

55–59

60–64

132

65–74

122

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	394	21.6%
18 and over	1,426	78.4%
65 and over	480	26.4%
Median age	43.6 years

Race & ethnicity

White 93.8%

Two or more races 2.2%

Hispanic or Latino 1.8%

Other race 1.8%

American Indian / Alaska Native 0.3%

Black or African American 0.1%

Group	Count	%
White	1,739	93.8%
Two or more races	40	2.2%
Hispanic or Latino	34	1.8%
Other race	34	1.8%
American Indian / Alaska Native	6	0.3%
Black or African American	1	0.1%

Household income

Under $10k 1.9%

$10k–$15k 5.1%

$15k–$25k 7.0%

$25k–$35k 6.5%

$35k–$50k 15.2%

$50k–$75k 14.6%

$75k–$100k 21.8%

$100k–$150k 21.5%

$150k–$200k 2.1%

$200k+ 4.3%

Range	% of households
Under $10k	1.9%
$10k–$15k	5.1%
$15k–$25k	7.0%
$25k–$35k	6.5%
$35k–$50k	15.2%
$50k–$75k	14.6%
$75k–$100k	21.8%
$100k–$150k	21.5%
$150k–$200k	2.1%
$200k+	4.3%
Median income	$72,083

Housing

Home values

Under $50k 3.6%

$50k–$100k 15.6%

$100k–$150k 17.6%

$150k–$200k 36.3%

$200k–$300k 18.7%

$300k–$500k 7.7%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$178,300
Median rent / month	$585
Owner occupied	74.1%
Renter occupied	25.9%
Vacant	14.4%
Single-family detached	80.5%
Large apartment buildings	0.8%
Mobile homes	2.7%
Median rooms	5.7
Avg household size (owned)	2.41

Year built

Era	%
2020 or later	0.0%
2010–2019	2.8%
2000–2009	5.9%
1990–1999	6.4%
1980–1989	13.2%
1970–1979	22.4%
1960–1969	13.3%
1950–1959	6.5%
1940–1949	10.9%
1939 or earlier	18.5%

Bedrooms

Size	% of units
No bedroom (studio)	3.2%
1 bedroom	7.7%
2 bedrooms	31.1%
3 bedrooms	32.5%
4 bedrooms	22.4%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	28.6%
2 vehicles	34.6%
3 or more	33.9%

Heating fuel

Fuel type	%
Utility gas	43.9%
Electricity	44.1%
Propane / LP gas	8.9%
Fuel oil	0.8%
Wood	2.3%

Households & families

Household type	Count	%
Married-couple family	381	50.7%
Cohabiting couple	58	7.7%
Male householder, no spouse	150	19.9%
Female householder, no spouse	163	21.7%
Households with children under 18	227	30.2%
Households with seniors (65+)	271	36.0%
Average household size	2.34

Marital status

Status	Male	Female
Never married	25.5%	22.7%
Married	55.8%	52.4%
Separated	0.0%	0.3%
Widowed	4.9%	15.7%
Divorced	13.8%	9.0%

Education

Less than 9th grade 5.1%

Some HS, no diploma 7.3%

HS graduate 32.6%

Some college, no degree 19.6%

Associate's degree 12.5%

Bachelor's degree 18.1%

Graduate / professional 4.8%

Metric	%
HS diploma or higher	87.6%
Bachelor's or higher	22.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	7	1.5%
Kindergarten	3	0.6%
Elementary school	233	50.0%
High school	102	21.9%
College / grad school	121	26.0%

Employment

Industry of employment

Manufacturing 27.1%

Education & healthcare 17.8%

Agriculture & mining 10.3%

Wholesale trade 7.7%

Retail trade 7.1%

Finance & real estate 5.6%

Transportation & utilities 4.8%

Arts, food & hospitality 4.5%

Construction 4.0%

Professional & management 3.4%

Other services 3.3%

Public administration 2.5%

Information 1.8%

Occupation

Category	%
Management, business & arts	29.8%
Service	14.0%
Sales & office	22.8%
Natural resources & construction	11.3%
Production & transportation	22.1%

Employment type

Type	%
Private sector	84.0%
Government	10.6%
Self-employed	4.6%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	78.5%
Carpool	11.7%
Public transit	0.0%
Walk	2.0%
Other means	1.2%
Avg commute (minutes)	19.6

Poverty

All people 7.4%

Under 18 years 7.6%

18 and over 7.3%

Married-couple families 0.0%

Female-led households 38.2%

Income support

Source	% of households
Social Security	39.4%
Retirement income	22.6%
Supplemental Security	6.9%
Cash public assistance	2.9%
Food stamps / SNAP	4.7%

Health indicators

Condition	%
High blood pressure	30.9%
High cholesterol	31.4%
Heart disease	7.5%
Stroke	3.3%
Asthma	8.5%
Arthritis	25.2%
Kidney disease	3.1%
Pulmonary disease	6.1%
Cancer	8.3%

Behavior / access	%
Binge drinking	19.9%
No physical activity	23.3%
Less than 7 hrs sleep	27.5%
Fair or poor health	11.0%
Poor mental health	10.0%
Poor physical health	8.7%
No health insurance	11.7%
Visited doctor (checkup)	74.9%
Visited dentist	68.5%
Cholesterol screening	89.5%
Teeth loss	13.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	146	10.2%

Disability	%
Any disability	16.2%
Under 18	4.1%
18–64 years	16.1%
65 and over	27.4%

Health insurance coverage

Type	%
Private insurance	66.6%
Public insurance	38.4%
Uninsured under 19	8.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,760	96.7%
Spanish	21	1.2%
Other Indo-European	21	1.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,789	98.3%
Born in same state	1,788	98.2%
Born in different state	1,077	59.2%
Foreign born	1	0.1%
Naturalized citizen	31	1.7%
Not a US citizen	10	32.3%

Ancestry

Ancestry	Count	%
Polish	462	25.4%
Italian	139	7.6%
English	101	5.5%

Ancestry	Count	%
French	82	4.5%
Arab	50	2.7%
Dutch	43	2.4%

Technology access

Metric	% of households
Computer access	41.3%
Internet access	89.0%

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

Frequently asked questions

What ZIP codes does Clear Lake, SD have?

Clear Lake, SD has one ZIP code: 57226. Each ZIP code serves a distinct delivery area within the city and surrounding region.