Britton ZIP Code List — Marshall County, SD

There is one unique ZIP code in Britton, South Dakota and it is 57430. Area code: 605.

ZIP codes

346.75

sq mi land

3.47

sq mi water

605

area code

Britton, SD ZIP code map

About Britton, SD

Britton is a small city located in the northeastern region of South Dakota. It is the county seat of Marshall County and offers a close-knit community atmosphere. Known for its scenic landscapes and rich agricultural heritage, Britton embodies the charm of rural America.

Location & geography

Britton is situated in the northern part of Marshall County and is approximately 30 miles northwest of Aberdeen, South Dakota. The city covers a total area of 346.75 square miles of land and has a small water area of 3.47 square miles, contributing to its picturesque surroundings. The terrain is primarily flat and rural, making it ideal for agriculture and outdoor activities.

Community & economy

The character of Britton revolves around its friendly and welcoming residents, who take pride in their community. The local economy is largely driven by agriculture, manufacturing, and healthcare, with many residents engaged in farming and related industries. Daily life in Britton includes community events, local businesses, and recreational activities that strengthen the bonds among its residents.

Transportation

Transportation in Britton is primarily facilitated by U.S. Highway 81, which serves as a major route for residents and travelers. The nearest airport with commercial services is Aberdeen Regional Airport, approximately 30 miles to the southeast. Local transit options are limited, with most residents relying on personal vehicles for transportation.

History

Britton was established in the late 19th century and became the county seat of Marshall County, solidifying its importance in the region's governmental and economic landscape. The city has historically relied on agriculture and manufacturing as key drivers of its economy, contributing to its development and growth over the years. Notable events in Britton's history include local fairs and festivals that celebrate the city's agricultural roots.

Did you know?

A lesser-known fact about Britton is that it is home to the Marshall County Historical Society, which showcases the local history and culture of the area. Additionally, the annual Britton Summer Festival draws visitors for its community spirit and local entertainment.

ZIP codes for Britton, SD (1)

ZIP code	City	County	Map
57430	Britton	Marshall	View map

Demographics & statistics

1,900

Population

47.5

Median age

$74,917

Median household income

$39,806

Per capita income

$116,200

Median home value

$779

Median monthly rent

78.6%

Home ownership

9.2%

Poverty rate

0.6%

Unemployment

846

Housing units

22.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

106

25–34

100

101

35–44

106

45–54

101

55–59

60–64

125

65–74

119

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	358	18.8%
18 and over	1,542	81.2%
65 and over	471	24.8%
Median age	47.5 years

Race & ethnicity

White 90%

Two or more races 4.3%

American Indian / Alaska Native 3%

Hispanic or Latino 2.5%

Black or African American 0.3%

Group	Count	%
White	1,753	90%
Two or more races	83	4.3%
American Indian / Alaska Native	59	3%
Hispanic or Latino	48	2.5%
Black or African American	5	0.3%

Household income

Under $10k 2.3%

$10k–$15k 3.6%

$15k–$25k 3.7%

$25k–$35k 7.0%

$35k–$50k 16.0%

$50k–$75k 17.5%

$75k–$100k 19.6%

$100k–$150k 18.2%

$150k–$200k 7.9%

$200k+ 4.3%

Range	% of households
Under $10k	2.3%
$10k–$15k	3.6%
$15k–$25k	3.7%
$25k–$35k	7.0%
$35k–$50k	16.0%
$50k–$75k	17.5%
$75k–$100k	19.6%
$100k–$150k	18.2%
$150k–$200k	7.9%
$200k+	4.3%
Median income	$74,917

Housing

Home values

Under $50k 21.4%

$50k–$100k 22.7%

$100k–$150k 12.2%

$150k–$200k 14.6%

$200k–$300k 17.8%

$300k–$500k 6.3%

$500k–$1M 5.0%

Housing overview

Metric	Value
Median home value	$116,200
Median rent / month	$779
Owner occupied	78.6%
Renter occupied	21.4%
Vacant	20.3%
Single-family detached	80.0%
Large apartment buildings	3.2%
Mobile homes	6.4%
Median rooms	6.3
Avg household size (owned)	2.38

Year built

Era	%
2020 or later	0.0%
2010–2019	1.7%
2000–2009	10.7%
1990–1999	2.9%
1980–1989	4.8%
1970–1979	19.7%
1960–1969	7.8%
1950–1959	5.8%
1940–1949	3.6%
1939 or earlier	42.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	11.3%
2 bedrooms	21.7%
3 bedrooms	39.7%
4 bedrooms	18.1%
5+ bedrooms	8.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.4%
1 vehicle	31.9%
2 vehicles	27.1%
3 or more	39.7%

Heating fuel

Fuel type	%
Utility gas	3.8%
Electricity	30.6%
Propane / LP gas	43.3%
Fuel oil	18.0%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	438	53.9%
Cohabiting couple	11	1.4%
Male householder, no spouse	152	18.7%
Female householder, no spouse	212	26.1%
Households with children under 18	130	16.0%
Households with seniors (65+)	349	42.9%
Average household size	2.18

Marital status

Status	Male	Female
Never married	22.0%	15.6%
Married	60.2%	53.4%
Separated	0.0%	0.0%
Widowed	6.7%	26.2%
Divorced	11.1%	4.7%

Education

Less than 9th grade 7.9%

Some HS, no diploma 1.7%

HS graduate 30.8%

Some college, no degree 21.1%

Associate's degree 16.1%

Bachelor's degree 19.5%

Graduate / professional 2.9%

Metric	%
HS diploma or higher	90.4%
Bachelor's or higher	22.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	3.3%
Kindergarten	9	2.5%
Elementary school	160	44.4%
High school	100	27.8%
College / grad school	79	21.9%

Employment

Industry of employment

Education & healthcare 19.3%

Manufacturing 16.9%

Transportation & utilities 12.6%

Agriculture & mining 10.6%

Construction 9.2%

Retail trade 8.1%

Finance & real estate 4.9%

Professional & management 4.5%

Wholesale trade 3.8%

Public administration 3.3%

Arts, food & hospitality 3.2%

Information 2.6%

Other services 0.8%

Occupation

Category	%
Management, business & arts	28.7%
Service	15.1%
Sales & office	19.4%
Natural resources & construction	18.2%
Production & transportation	18.6%

Employment type

Type	%
Private sector	80.7%
Government	9.8%
Self-employed	8.2%
Unpaid family workers	1.3%

Commute

Method	%
Drive alone	82.7%
Carpool	2.9%
Public transit	4.1%
Walk	7.0%
Other means	1.4%
Avg commute (minutes)	9.4

Poverty

All people 9.2%

Under 18 years 8.7%

18 and over 9.3%

Married-couple families 0.9%

Female-led households 39.1%

Income support

Source	% of households
Social Security	40.8%
Retirement income	21.8%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	2.5%

Health indicators

Condition	%
High blood pressure	33.2%
High cholesterol	32.8%
Heart disease	7.9%
Stroke	3.5%
Asthma	8.6%
Arthritis	26.6%
Kidney disease	3.3%
Pulmonary disease	6.4%
Cancer	8.6%

Behavior / access	%
Binge drinking	19.4%
No physical activity	22.3%
Less than 7 hrs sleep	26.2%
Fair or poor health	11.4%
Poor mental health	10.1%
Poor physical health	9.0%
No health insurance	11.1%
Visited doctor (checkup)	76.1%
Visited dentist	68.5%
Cholesterol screening	90.0%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	132	8.6%

Disability	%
Any disability	12.6%
Under 18	0.8%
18–64 years	11.5%
65 and over	25.3%

Health insurance coverage

Type	%
Private insurance	81.8%
Public insurance	31.6%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,805	95.0%
Spanish	12	0.7%
Other Indo-European	1	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,898	99.9%
Born in same state	1,898	99.9%
Born in different state	1,577	83.0%
Foreign born	0	0.0%
Naturalized citizen	2	0.1%
Not a US citizen	1	50.0%

Ancestry

Ancestry	Count	%
Polish	524	27.6%
Italian	113	5.9%
Arab	102	5.4%
French	98	5.2%

Ancestry	Count	%
German	14	0.7%
Irish	11	0.6%
Dutch	2	0.1%

Technology access

Metric	% of households
Computer access	42.8%
Internet access	92.0%

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

Frequently asked questions

What is the ZIP code for Britton, SD?

Britton, SD has one ZIP code: 57430.

What is the main ZIP code for Britton, SD?

The primary ZIP code for Britton, SD is 57430. The city uses area code 605 for phone service.

What county is Britton, SD in?

Britton is located in Marshall County, South Dakota.

How many ZIP codes are in Britton, SD?

Britton, SD has 1 ZIP code.

What ZIP code should I use for mail delivery to downtown Britton's main business district along Main Street?

Downtown Britton and the main business district along Main Street are served by ZIP code 57430.

What is the ZIP code for the Britton City Hall and municipal government offices located in Marshall County?

Britton's City Hall and all municipal government services in Marshall County operate under ZIP code 57430.