Alexandria ZIP Code List — Hanson County, SD

There is one unique ZIP code in Alexandria, South Dakota and it is 57311. Area code: 605.

ZIP codes

188.35

sq mi land

0.22

sq mi water

605

area code

Alexandria, SD ZIP code map

About Alexandria, SD

Alexandria, South Dakota, is a small city located in Hanson County. Known for its rural charm and close-knit community, Alexandria offers residents and visitors a unique glimpse into South Dakota's heartland. With a ZIP code of 57311, this city embodies the peaceful lifestyle that rural America is celebrated for.

Location & geography

Alexandria is situated in the southeastern part of South Dakota, surrounded by beautiful agricultural lands. Nearby cities include Mitchell, located approximately 25 miles to the northwest, and Salem, which is about 14 miles to the south. The total land area of Alexandria is 188.35 square miles, with a small water area of 0.22 square miles contributing to its scenic rural landscapes.

Community & economy

The community of Alexandria is characterized by its friendly atmosphere and active local engagement. Agriculture has historically played a significant role in the town's economy, alongside small business industries that support local residents. Daily life in Alexandria revolves around community events, local schools, and recreational activities that embrace the outdoors.

Transportation

Transportation in Alexandria is accessible, with South Dakota Highway 34 passing nearby, connecting it to other regional destinations. The nearest major airport is located in Sioux Falls, approximately 35 miles to the northeast. Local transit options are limited, aligning with the rural lifestyle of the city.

History

Founded in the mid-19th century, Alexandria has developed from a small settlement to a functioning city within Hanson County. Agriculture has been a key industry since its early years, shaping the local economy and community structure. Notable events in its history include various agricultural fairs and community gatherings that continue to foster local pride.

Did you know?

One little-known fact about Alexandria is that it is home to the annual 'Alexandria Days' celebration, which showcases local culture and agriculture. Additionally, the city has a rich history of early pioneer settlement that reflects the broader narrative of South Dakota's development.

ZIP codes for Alexandria, SD (1)

ZIP code	City	County	Map
57311	Alexandria	Hanson	View map

Demographics & statistics

1,699

Population

37.4

Median age

$93,750

Median household income

$35,548

Per capita income

$173,700

Median home value

$812

Median monthly rent

85.1%

Home ownership

3.1%

Poverty rate

0.7%

Unemployment

497

Housing units

20.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

104

35–44

100

45–54

55–59

60–64

127

65–74

124

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	471	27.7%
18 and over	1,228	72.3%
65 and over	290	17.1%
Median age	37.4 years

Race & ethnicity

White 88.4%

Two or more races 8%

Hispanic or Latino 3.6%

Group	Count	%
White	1,558	88.4%
Two or more races	141	8%
Hispanic or Latino	64	3.6%

Household income

Under $10k 1.4%

$10k–$15k 0.4%

$15k–$25k 2.8%

$25k–$35k 0.8%

$35k–$50k 11.5%

$50k–$75k 17.7%

$75k–$100k 20.9%

$100k–$150k 30.4%

$150k–$200k 9.1%

$200k+ 5.0%

Range	% of households
Under $10k	1.4%
$10k–$15k	0.4%
$15k–$25k	2.8%
$25k–$35k	0.8%
$35k–$50k	11.5%
$50k–$75k	17.7%
$75k–$100k	20.9%
$100k–$150k	30.4%
$150k–$200k	9.1%
$200k+	5.0%
Median income	$93,750

Housing

Home values

Under $50k 3.3%

$50k–$100k 7.9%

$100k–$150k 25.7%

$150k–$200k 22.2%

$200k–$300k 28.5%

$300k–$500k 7.2%

$500k–$1M 5.1%

Housing overview

Metric	Value
Median home value	$173,700
Median rent / month	$812
Owner occupied	85.1%
Renter occupied	14.9%
Vacant	12.1%
Single-family detached	91.8%
Large apartment buildings	0.0%
Mobile homes	2.6%
Median rooms	6.3
Avg household size (owned)	3.41

Year built

Era	%
2020 or later	0.3%
2010–2019	6.6%
2000–2009	13.8%
1990–1999	7.2%
1980–1989	6.3%
1970–1979	12.4%
1960–1969	6.1%
1950–1959	8.9%
1940–1949	4.4%
1939 or earlier	33.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.4%
2 bedrooms	20.3%
3 bedrooms	42.3%
4 bedrooms	21.2%
5+ bedrooms	11.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.8%
1 vehicle	11.5%
2 vehicles	26.8%
3 or more	58.8%

Heating fuel

Fuel type	%
Utility gas	36.2%
Electricity	31.0%
Propane / LP gas	27.0%
Fuel oil	3.2%
Wood	1.4%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	376	74.8%
Cohabiting couple	12	2.4%
Male householder, no spouse	52	10.3%
Female householder, no spouse	63	12.5%
Households with children under 18	172	34.2%
Households with seniors (65+)	159	31.6%
Average household size	3.32

Marital status

Status	Male	Female
Never married	37.2%	34.3%
Married	59.2%	58.9%
Separated	0.0%	1.1%
Widowed	2.6%	2.3%
Divorced	1.0%	3.4%

Education

Less than 9th grade 4.9%

Some HS, no diploma 0.9%

HS graduate 28.6%

Some college, no degree 17.9%

Associate's degree 27.2%

Bachelor's degree 14.7%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	94.2%
Bachelor's or higher	20.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	18	3.9%
Kindergarten	14	3.0%
Elementary school	212	45.6%
High school	125	26.9%
College / grad school	96	20.6%

Employment

Industry of employment

Education & healthcare 18.3%

Construction 14.3%

Finance & real estate 9.8%

Agriculture & mining 9.4%

Manufacturing 8.7%

Retail trade 8.5%

Professional & management 6.9%

Arts, food & hospitality 5.1%

Other services 4.7%

Public administration 4.2%

Transportation & utilities 3.6%

Wholesale trade 3.2%

Information 3.1%

Occupation

Category	%
Management, business & arts	47.4%
Service	6.9%
Sales & office	23.6%
Natural resources & construction	13.0%
Production & transportation	9.1%

Employment type

Type	%
Private sector	71.2%
Government	17.0%
Self-employed	11.6%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	79.7%
Carpool	5.5%
Public transit	0.0%
Walk	5.1%
Other means	1.4%
Avg commute (minutes)	20.9

Poverty

All people 3.1%

Under 18 years 0.0%

18 and over 4.3%

Married-couple families 2.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	32.0%
Retirement income	10.3%
Supplemental Security	1.4%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	28.2%
High cholesterol	28.0%
Heart disease	5.8%
Stroke	2.6%
Asthma	8.8%
Arthritis	21.6%
Kidney disease	2.5%
Pulmonary disease	5.4%
Cancer	6.6%

Behavior / access	%
Binge drinking	20.9%
No physical activity	21.4%
Less than 7 hrs sleep	27.9%
Fair or poor health	10.1%
Poor mental health	11.1%
Poor physical health	8.1%
No health insurance	11.7%
Visited doctor (checkup)	73.4%
Visited dentist	69.3%
Cholesterol screening	88.1%
Teeth loss	12.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	80	6.5%

Disability	%
Any disability	3.8%
Under 18	1.5%
18–64 years	3.9%
65 and over	7.6%

Health insurance coverage

Type	%
Private insurance	84.6%
Public insurance	25.2%
Uninsured under 19	4.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,567	92.2%
Spanish	4	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	4	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,695	99.8%
Born in same state	1,679	98.8%
Born in different state	1,414	83.2%
Foreign born	16	0.9%
Naturalized citizen	4	0.2%
Not a US citizen	4	100.0%

Ancestry

Ancestry	Count	%
Arab	227	13.4%
Italian	134	7.9%
French	129	7.6%

Ancestry	Count	%
Polish	120	7.1%
Dutch	10	0.6%
English	7	0.4%

Technology access

Metric	% of households
Computer access	29.6%
Internet access	97.4%

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

Frequently asked questions

What is the ZIP code for Alexandria, SD?

Alexandria, SD has one ZIP code: 57311.

What is the main ZIP code for Alexandria, SD?

The primary ZIP code for Alexandria, SD is 57311. The city uses area code 605 for phone service.

What county is Alexandria, SD in?

Alexandria is located in Hanson County, South Dakota.

How many ZIP codes are in Alexandria, SD?

Alexandria, SD has 1 ZIP code.

What is the ZIP code for downtown Alexandria, South Dakota?

Downtown Alexandria, South Dakota uses ZIP code 57311, which serves the entire city and surrounding Hanson County area.

What ZIP code should I use for mailing packages to businesses in Alexandria, SD?

All businesses and residences in Alexandria, South Dakota use ZIP code 57311 for mailing addresses.