57555 ZIP Code — Mission, SD

Todd County, South Dakota

ZIP code 57555 is located in Mission, South Dakota, within Todd County. It covers approximately 339.91 square miles and serves a population of 3,516 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57555

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $64,800. Owner-occupancy sits near the national average at 48%.

Median household income is $36,006. Poverty affects 42% of residents, above the national average. SNAP benefit usage at 34% of households reflects economic stress in the area. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 14 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of obesity (45%), diabetes (16%), smoking (37%) compared to national benchmarks. 22% of residents lack health insurance, above the national average.

Overall, ZIP code 57555 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

3,516

population

339.91

sq mi land

Standard

ZIP type

Central (CT)

timezone

57555 ZIP code map

Cities in ZIP code 57555

Below are the cities the US Postal Service accepts for ZIP code 57555. Using any city not on this list may result in mail delivery delays.

City	Status
Mission	Acceptable
Mission	Preferred

Demographics updated 05/2026

Population
Total population	3,516
Population density	10 / sq mi
State FIPS	46
County FIPS	121

Geography
Land area	339.91 sq mi
Water area	1.05 sq mi
Latitude	43.1943
Longitude	-100.4744
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	72.9%	77.5%	41.7%
$50k – $100k	19.4%	16.3%	33.8%
$100k – $200k	5.9%	5.0%	20.1%
Over $200k	1.7%	1.2%	4.4%

Demographics & statistics

3,516

Population

People per sq mi

27.9

Median age

$36,006

Median household income

$16,333

Per capita income

$64,800

Median home value

$557

Median monthly rent

47.9%

Home ownership

41.8%

Poverty rate

10.9%

Unemployment

766

Housing units

22.2%

Bachelor's or higher

Age distribution

Male Female

235

Under 5

239

196

5–9

199

188

10–14

191

138

15–19

140

20–24

224

25–34

227

237

35–44

241

168

45–54

170

55–59

60–64

105

65–74

107

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,411	40.1%
18 and over	2,105	59.9%
65 and over	297	8.4%
Median age	27.9 years

Race & ethnicity

American Indian / Alaska Native 79.7%

White 11.7%

Two or more races 3.7%

Asian 3.7%

Hispanic or Latino 0.7%

Other race 0.5%

Group	Count	%
American Indian / Alaska Native	2,820	79.7%
White	414	11.7%
Two or more races	132	3.7%
Asian	131	3.7%
Hispanic or Latino	24	0.7%
Other race	18	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	72.9%	77.5%	41.7%
$50k – $100k	19.4%	16.3%	33.8%
$100k – $200k	5.9%	5.0%	20.1%
Over $200k	1.7%	1.2%	4.4%

Under $10k 16.2%

$10k–$15k 11.8%

$15k–$25k 14.9%

$25k–$35k 3.8%

$35k–$50k 14.0%

$50k–$75k 16.3%

$75k–$100k 8.1%

$100k–$150k 10.6%

$150k–$200k 1.9%

$200k+ 2.5%

Range	% of households
Under $10k	16.2%
$10k–$15k	11.8%
$15k–$25k	14.9%
$25k–$35k	3.8%
$35k–$50k	14.0%
$50k–$75k	16.3%
$75k–$100k	8.1%
$100k–$150k	10.6%
$150k–$200k	1.9%
$200k+	2.5%
Median income	$36,006

Housing

Home values

Under $50k 43.5%

$50k–$100k 22.8%

$100k–$150k 20.0%

$150k–$200k 5.2%

$200k–$300k 4.2%

$300k–$500k 2.2%

$500k–$1M 2.2%

Housing overview

Metric	Value
Median home value	$64,800
Median rent / month	$557
Owner occupied	47.9%
Renter occupied	52.1%
Vacant	19.9%
Single-family detached	55.9%
Large apartment buildings	4.3%
Mobile homes	18.6%
Median rooms	4.7
Avg household size (owned)	3.00

Year built

Era	%
2020 or later	0.0%
2010–2019	6.5%
2000–2009	14.1%
1990–1999	17.1%
1980–1989	18.3%
1970–1979	15.1%
1960–1969	11.2%
1950–1959	9.3%
1940–1949	3.9%
1939 or earlier	4.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	11.0%
2 bedrooms	33.3%
3 bedrooms	40.7%
4 bedrooms	6.0%
5+ bedrooms	7.5%

Vehicles per household

Vehicles	% of households
No vehicle	18.2%
1 vehicle	30.6%
2 vehicles	28.3%
3 or more	22.9%

Heating fuel

Fuel type	%
Utility gas	6.4%
Electricity	44.7%
Propane / LP gas	36.4%
Fuel oil	3.5%
Wood	8.7%
Solar	0.3%

Households & families

Household type	Count	%
Married-couple family	333	31.7%
Cohabiting couple	82	7.8%
Male householder, no spouse	243	23.1%
Female householder, no spouse	394	37.5%
Households with children under 18	544	51.7%
Households with seniors (65+)	273	26.0%
Average household size	3.32

Marital status

Status	Male	Female
Never married	49.3%	49.0%
Married	37.1%	33.8%
Separated	2.1%	2.4%
Widowed	4.2%	3.6%
Divorced	7.2%	11.1%

Education

Less than 9th grade 3.6%

Some HS, no diploma 10.9%

HS graduate 21.4%

Some college, no degree 35.8%

Associate's degree 6.1%

Bachelor's degree 13.1%

Graduate / professional 9.1%

Metric	%
HS diploma or higher	85.4%
Bachelor's or higher	22.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	95	8.5%
Kindergarten	68	6.0%
Elementary school	644	57.3%
High school	231	20.6%
College / grad school	86	7.7%

Employment

Industry of employment

Education & healthcare 48.5%

Public administration 12.2%

Retail trade 10.2%

Agriculture & mining 8.2%

Arts, food & hospitality 5.8%

Other services 4.1%

Finance & real estate 3.6%

Transportation & utilities 2.7%

Professional & management 2.2%

Construction 1.9%

Information 0.7%

Occupation

Category	%
Management, business & arts	54.3%
Service	15.5%
Sales & office	12.2%
Natural resources & construction	6.1%
Production & transportation	12.0%

Employment type

Type	%
Private sector	36.8%
Government	55.6%
Self-employed	7.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.6%
Carpool	12.2%
Public transit	0.4%
Walk	1.9%
Work from home	4.1%
Other means	1.8%
Avg commute (minutes)	14.0

Poverty

All people 41.8%

Under 18 years 52.1%

18 and over 34.9%

Married-couple families 6.6%

Female-led households 63.1%

Income support

Source	% of households
Social Security	33.7%
Retirement income	6.5%
Supplemental Security	10.6%
Cash public assistance	8.3%
Food stamps / SNAP	33.5%

Health indicators

Condition	%
Obesity	45.1%
High blood pressure	34.2%
High cholesterol	26.6%
Diabetes	15.6%
Heart disease	8.8%
Stroke	5.7%
Asthma	13.9%
Arthritis	22.6%
Kidney disease	4.4%
Pulmonary disease	10.4%
Cancer	4.9%

Behavior / access	%
Smoking	37.3%
Binge drinking	18.5%
No physical activity	34.9%
Less than 7 hrs sleep	35.7%
Depression	18.9%
Fair or poor health	25.5%
Poor mental health	17.6%
Poor physical health	16.1%
No health insurance	17.6%
Visited doctor (checkup)	74.2%
Visited dentist	49.6%
Cholesterol screening	80.2%
Teeth loss	34.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	157	7.5%

Disability	%
Any disability	8.1%
Under 18	1.5%
18–64 years	8.9%
65 and over	34.7%

Health insurance coverage

Type	%
Private insurance	30.0%
Public insurance	53.1%
No insurance	22.1%
Uninsured under 19	10.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,042	86.5%
Spanish	51	1.7%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	25	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,369	95.8%
Born in same state	3,369	95.8%
Born in different state	2,692	76.6%
Foreign born	0	0.0%
Naturalized citizen	147	4.2%
Not a US citizen	27	18.4%

Ancestry

Ancestry	Count	%
English	32	0.9%
French	31	0.9%
Arab	23	0.7%

Ancestry	Count	%
Italian	13	0.4%
Polish	1	0%

Technology access

Metric	% of households
Computer access	29.9%
Internet access	78.6%

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

Frequently asked questions about ZIP code 57555

What city is ZIP code 57555 in?

ZIP code 57555 is primarily assigned to Mission, South Dakota.

What county is ZIP code 57555 in?

ZIP code 57555 falls within Todd County, South Dakota.

What is the poverty rate in ZIP code 57555?

42% of residents in ZIP code 57555 live below the poverty line, above the national average.

Is ZIP code 57555 family-oriented?

40% of residents in ZIP code 57555 are under 18, reflecting a younger, family-oriented community.

What are the health statistics for ZIP code 57555?

Health data for ZIP code 57555 shows elevated rates of obesity (45%) and diabetes (16%) and smoking (37%) compared to national benchmarks.

What is the typical home value in ZIP code 57555?

The median home value in ZIP code 57555 is $64,800.

What timezone is ZIP code 57555 in?

ZIP code 57555 observes the CST timezone.