57454 ZIP Code — Langford, SD

Marshall County, South Dakota

ZIP code 57454 is located in Langford, South Dakota, within Marshall County. It covers approximately 151.32 square miles and serves a population of 726 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57454

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 $146,600. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($69,000) and mean household income suggests income inequality — a small number of higher earners pull the average up. 34% 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 33 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 57454 reflects a community defined by high homeownership and a significant Social Security-dependent population.

726

population

151.32

sq mi land

Standard

ZIP type

Central (CT)

timezone

57454 ZIP code map

Cities in ZIP code 57454

Below are the cities the US Postal Service accepts for ZIP code 57454. Using any city not on this list may result in mail delivery delays.

City	Status
Langford	Preferred

Nearby ZIP codes

57468 Pierpont (8.3 mi) 57261 Roslyn (8.5 mi) 57430 Britton (12.5 mi) 57432 Claremont (16.3 mi) 57247 Lake City (16.9 mi) 57232 Eden (17.2 mi) 57422 Andover (18.4 mi) 57239 Grenville (19.3 mi)

Demographics updated 05/2026

Population
Total population	726
Population density	5 / sq mi
State FIPS	46
County FIPS	091

Geography
Land area	151.32 sq mi
Water area	4.20 sq mi
Latitude	45.6098
Longitude	-97.7218
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	40.4%	34.6%	41.7%
$50k – $100k	39.4%	39.5%	33.8%
$100k – $200k	14.0%	20.8%	20.1%
Over $200k	6.2%	5.1%	4.4%

Demographics & statistics

726

Population

People per sq mi

40.0

Median age

$69,000

Median household income

$34,174

Per capita income

$146,600

Median home value

$650

Median monthly rent

84.1%

Home ownership

0.7%

Poverty rate

0.0%

Unemployment

281

Housing units

27.4%

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	207	28.5%
18 and over	519	71.5%
65 and over	139	19.1%
Median age	40.0 years

Race & ethnicity

White 93.9%

Two or more races 3.8%

Hispanic or Latino 1.6%

Other race 0.5%

Black or African American 0.1%

Group	Count	%
White	693	93.9%
Two or more races	28	3.8%
Hispanic or Latino	12	1.6%
Other race	4	0.5%
Black or African American	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	40.4%	34.6%	41.7%
$50k – $100k	39.4%	39.5%	33.8%
$100k – $200k	14.0%	20.8%	20.1%
Over $200k	6.2%	5.1%	4.4%

$10k–$15k 1.2%

$15k–$25k 6.2%

$25k–$35k 9.3%

$35k–$50k 17.1%

$50k–$75k 21.3%

$75k–$100k 13.2%

$100k–$150k 12.4%

$150k–$200k 4.3%

$200k+ 15.1%

Range	% of households
$10k–$15k	1.2%
$15k–$25k	6.2%
$25k–$35k	9.3%
$35k–$50k	17.1%
$50k–$75k	21.3%
$75k–$100k	13.2%
$100k–$150k	12.4%
$150k–$200k	4.3%
$200k+	15.1%
Median income	$69,000

Housing

Home values

Under $50k 11.5%

$50k–$100k 29.0%

$100k–$150k 10.1%

$150k–$200k 20.3%

$200k–$300k 14.7%

$300k–$500k 6.9%

$500k–$1M 7.4%

Housing overview

Metric	Value
Median home value	$146,600
Median rent / month	$650
Owner occupied	84.1%
Renter occupied	15.9%
Vacant	19.9%
Single-family detached	87.3%
Large apartment buildings	0.0%
Mobile homes	5.0%
Median rooms	7.3
Avg household size (owned)	3.07

Year built

Era	%
2020 or later	0.0%
2010–2019	5.6%
2000–2009	10.9%
1990–1999	5.9%
1980–1989	5.6%
1970–1979	22.4%
1960–1969	9.9%
1950–1959	5.6%
1940–1949	5.9%
1939 or earlier	28.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.3%
2 bedrooms	26.1%
3 bedrooms	41.3%
4 bedrooms	13.4%
5+ bedrooms	14.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.4%
1 vehicle	19.4%
2 vehicles	20.9%
3 or more	59.3%

Heating fuel

Fuel type	%
Utility gas	1.6%
Electricity	26.4%
Propane / LP gas	55.8%
Fuel oil	15.5%

Households & families

Household type	Count	%
Married-couple family	159	61.6%
Cohabiting couple	0	0.0%
Male householder, no spouse	60	23.3%
Female householder, no spouse	39	15.1%
Households with children under 18	88	34.1%
Households with seniors (65+)	92	35.7%
Average household size	2.81

Marital status

Status	Male	Female
Never married	42.4%	21.2%
Married	49.7%	66.3%
Separated	0.0%	2.7%
Widowed	1.5%	9.1%
Divorced	6.4%	0.8%

Education

Less than 9th grade 2.0%

Some HS, no diploma 3.3%

HS graduate 28.5%

Some college, no degree 11.7%

Associate's degree 27.0%

Bachelor's degree 24.1%

Graduate / professional 3.3%

Metric	%
HS diploma or higher	94.7%
Bachelor's or higher	27.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	72	31.7%
High school	118	52.0%
College / grad school	37	16.3%

Employment

Industry of employment

Agriculture & mining 24.1%

Education & healthcare 18.1%

Retail trade 16.2%

Manufacturing 11.9%

Finance & real estate 8.4%

Public administration 6.9%

Other services 4.3%

Transportation & utilities 4.1%

Construction 2.1%

Arts, food & hospitality 1.9%

Professional & management 1.0%

Information 0.7%

Wholesale trade 0.2%

Occupation

Category	%
Management, business & arts	52.3%
Service	6.4%
Sales & office	25.5%
Natural resources & construction	3.6%
Production & transportation	12.2%

Employment type

Type	%
Private sector	67.8%
Government	12.4%
Self-employed	19.3%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	82.6%
Carpool	3.3%
Public transit	0.0%
Walk	2.4%
Work from home	9.8%
Other means	1.9%
Avg commute (minutes)	33.0

Poverty

All people 0.7%

Under 18 years 0.0%

18 and over 1.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	34.1%
Retirement income	22.1%
Supplemental Security	1.6%
Cash public assistance	0.0%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
Obesity	33.4%
High blood pressure	35.4%
High cholesterol	35.6%
Diabetes	10.4%
Heart disease	8.5%
Stroke	3.7%
Asthma	8.6%
Arthritis	28.2%
Kidney disease	3.5%
Pulmonary disease	6.9%
Cancer	8.9%

Behavior / access	%
Smoking	16.8%
Binge drinking	18.5%
No physical activity	23.2%
Less than 7 hrs sleep	26.7%
Depression	14.5%
Fair or poor health	12.1%
Poor mental health	9.7%
Poor physical health	9.6%
No health insurance	10.6%
Visited doctor (checkup)	76.9%
Visited dentist	68.1%
Cholesterol screening	91.6%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	39	7.5%

Disability	%
Any disability	9.9%
Under 18	0.5%
18–64 years	10.0%
65 and over	23.7%

Health insurance coverage

Type	%
Private insurance	90.6%
Public insurance	24.7%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	689	94.9%
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)	726	100.0%
Born in same state	717	98.8%
Born in different state	577	79.5%
Foreign born	9	1.2%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	233	32.1%
Arab	110	15.2%
Italian	60	8.3%

Ancestry	Count	%
French	16	2.2%
Dutch	6	0.8%
English	4	0.6%

Technology access

Metric	% of households
Computer access	35.5%
Internet access	92.2%

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

Frequently asked questions about ZIP code 57454

What city is ZIP code 57454 in?

ZIP code 57454 is primarily assigned to Langford, South Dakota.

What county is ZIP code 57454 in?

ZIP code 57454 falls within Marshall County, South Dakota.

Is ZIP code 57454 mostly owner-occupied?

84% of occupied units in ZIP code 57454 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 57454?

The median home value in ZIP code 57454 is $146,600.

What is the population of ZIP code 57454?

ZIP code 57454 has an estimated population of 726 residents, with a density of 5 people per square mile.

What is the median household income in ZIP code 57454?

The median household income in ZIP code 57454 is $69,000, below the national median of ~$75,000.

What timezone is ZIP code 57454 in?

ZIP code 57454 observes the CST timezone.