ZIP Code 57311 in Alexandria, SD

Data Last Updated: October 1, 2025
City:Alexandria, South Dakota
City Alias:Farmer
Counties:Hanson County[Primary]
Hutchinson County
Timezone:Central (GMT -06:00)
Local Time:7:02:52 AM
Population:1,522 [See All]
Area Code:605
Classification:Standard [Normal Street Delivery]
Coordinates:43.6682, -97.7467
Land Area:188.354 sq mi
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Population & Demographics


ZIP Code 57311 has 1,522 residents and 459 households (average 2.85 persons per household). The median age is 37.0 years, about the same as the state (37.7) and slightly younger than the nation (38.8). The gender split is 49.5% male and 50.5% female, which is about the same as the state male share (50.3%), making this a female-majority area. Largest groups are White (96.3%, much higher than the state average of 80.7% and well above the national average of 61.6%) and Hispanic or Latino (1.0%); Hispanic or Latino residents make up 1.0%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:1,522Source: Census DHC
2023 ACS Population Estimate:1,509Source: Census ACS
2025 ZC Population Estimate:872Source: ZIP-Codes.com
Population Density:8.1 people per sq mile
Average Income:$99,432Source: Census ACS
Households:459Source: Census DHC
Average House Value:$191,900Source: Census ACS
Persons Per Household:2.85Source: Census DHC
Average Family Size:2.49Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--1,5211,5021,5301,6271,6821,5341,4761,6071,4981,6541,6821,6991,509
Decennial Census1,616------------------1,522------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 37

Male Median Age: 37.1

Female Median Age: 36.9

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male57676665433626395152593651362826114
Female55519054373942524446414956452521139
Total112118156119807568919598100851078153472413
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:1,46597.86%
Black:40.27%
Hispanic:*151.00%
Asian:00%
American Indian:20.13%
Hawaiian:20.13%
Other:90.60%
Total:1,497100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:75349.47%37.1 years
Females:76950.53%36.9 years
Total:1,522100%37.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:1,46997.35%
Native, born in PR, Island Areas, or abroad:171.13%
Foreign born, naturalized U.S. citizen:40.27%
Foreign born, not a U.S. citizen:191.52%
Total Population:1,509100%
Total Native Population:1,48698.48%
Total Foreign-born Population:231.52%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $99,432, which is markedly greater than the state median ($72,421), is up $50,608 (103.7%) since 2011 and above its 2019 pre-pandemic level by $43,015. Family households earn a median of $111,071 versus $56,964 for nonfamily households (a difference of $54,107). By gender, male median income is $57,703 and female is $47,904, which is much lower than the national female median ($53,445), with a current gap of $9,799 that has narrowed from 2011 to 2023. The labor-force participation rate is 77.8%, which is considerably higher than the national rate (63.5%). The unemployment rate is 0.7%, which is much lower than the national rate (5.2%). The largest occupation group is Management (47.5%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$48,824$49,083$52,308$63,750$65,347$62,440$61,833$63,478$56,417$56,786$82,917$93,750$99,432
Median Family Income$54,281$60,125$62,188$74,554$73,462$74,018$76,705$75,729$68,750$79,125$89,145$103,125$111,071
Median NonFamily Income$32,125$33,929$34,643$31,250$28,125$30,417$26,250$27,083$32,656$35,982$41,471$47,454$56,964
Median Male Income$38,315$36,083$37,112$41,513$0$46,071$50,000$52,750$51,591$51,172$52,788$55,964$57,703
Median Female Income$23,702$25,833$27,188$31,111$0$31,296$31,218$36,080$37,148$40,500$40,484$44,514$47,904
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:90676.84%
Unemployed:60.51%
Not In Labor Force:26722.65%
Total:1,179100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:43047.46%
Service:849.27%
Sales and Office:19221.19%
Natural resources, construction, and maintenance:13314.68%
Production, transportation, and material moving:677.40%
Total Civilian Employed Population:906100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $191,900, which is considerably lower than the national median ($303,400), is up $101,200 (111.58%) since 2011 and above its 2019 pre-pandemic level by $62,700. The median gross rent is $729, which is well under the national median ($1,348), is up $161 (28.35%) since 2011 and below its 2019 pre-pandemic level by $107. Of occupied housing, owners make up 86.69% (50.12% with a mortgage, 49.88% free-and-clear) and renters 13.31% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 13.80%, which is markedly above the national rate (10.43%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$90,700$93,300$101,600$109,600$116,300$122,600$118,300$118,900$129,200$137,700$150,600$173,700$191,900
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:4976.56%
$1,000 to $1,499:710.94%
$1,500 to $1,999:57.81%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:34.69%
Total:64100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$568$614$613$644$638$825$830$975$836$738$845$812$729
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):20943.45%
Owner Occupied (free and clear, no mortgage):20843.24%
Renter Occupied:6413.31%
Total Occupied Housing Units:481100%

Occupied Housing Units:48186.20%
Vacant Housing Units (not graphed):7713.80%
Total Housing Units:558100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:51492.11%
Multi-Family Units:295.20%
Other Units:152.69%
Total Housing Units:558100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 22.50% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 93.10%, which is comparable to the national rate (89.40%). The uninsured rate is 4.40%, which is markedly below the state rate (9.30%). The share of people in poverty is 0.30%, which is far lower than the national rate (8.70%), down 11.00 percentage points since 2011 and below its 2019 pre-pandemic level by 4.60 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is elementary (40.28%). College enrollment is 19.17%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:545.47%
9th to 12th grade, no diploma:141.42%
High school graduate (includes equivalency):27427.76%
Some college, no degree:20120.36%
Associate's degree:22222.49%
Bachelor's degree:16116.31%
Graduate or professional degree:616.18%
Total:987100%
High school or higher:91993.11%
Bachelor's degree or higher:22222.49%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:1,22271.50%
Public Insurance:42124.63%
No Insurance:663.86%
Total:1,709100%
Has Health Insurance:1,64396.14%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty11.3%9.6%10.1%4.8%5.2%4.3%1.9%4.1%4.9%8.0%1.9%2.5%0.3%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:195.28%
Kindergarten:143.89%
Elementary school (grades 1-8):14540.28%
High school (grades 9-12):11331.39%
College or graduate school:6919.17%
Total:360100%
Early Childhood:339.17%
K-12 (Primary & Secondary School):27275.56%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 57311 supports both business and residential activity. According to the Business Census (2023), there are 27 business establishments, employing about 184 people with an annual payroll of $7,581,000. USPS data shows 306 residential mailboxes and 5 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:306Source: USPS
# Business Mailboxes:5Source: USPS
Total Delivery Receptacles:1,879Source: USPS
Single Family Delivery Units:298Source: USPS
Multi Family Delivery Units:8Source: USPS
# of Businesses:27Source: CBP
1st Quarter Payroll:$1,914,000Source: CBP
Annual Payroll:$7,581,000Source: CBP
# of Employees:184Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 57311 is located in Hanson County, South Dakota, within the Mitchell, SD Metropolitan Statistical Area (CBSA 33580). This Micro area has a population of 25,779 people, about 5.90% of whom live in ZIP Code 57311. It covers 188.354 sq mi of land and a water area of 0.224 sq mi.

CBSA Name:Mitchell, SDSource: Census
CBSA Number:33580Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:25,779Source: Census
MSA:Source: Census
Land Area:188.354 sq miSource: Census
Water Area:0.224 sq miSource: Census
Congressional District:No DistrictsSource: USPS
Congressional Land Area: sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4600820Source: Census
Place Name:Alexandria city; South DakotaSource: Census

Adjacent & Nearby ZIP Codes


57312 | | 57301

Schools in ZIP Code 57311


ZIP Code 57311 is part of 2 school districts, including: Mitchell School District 17-2 (Grades PK thru 12) and Hanson School District 30-1 (Grades Pre-Kindergarten thru 12th). There are 5 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Rockport Colony Elementary- 10 25209 Rockport Rd
Alexandria, SD 57311
District: Mitchell School District 17-2
Hanson High School - 01 230 6th St
Alexandria, SD 57311
District: Hanson School District 30-1
Hanson Middle School - 02 230 6th St
Alexandria, SD 57311
District: Hanson School District 30-1
Oaklane Colony Elementary - 05 26730 423rd Ave
Alexandria, SD 57311
District: Hanson School District 30-1
Hanson Elementary - 06 230 6th St
Alexandria, SD 57311
District: Hanson School District 30-1
John Paul Ii Elementary School 1510 W Elm Ave
Mitchell, SD 57301
District: Private SchoolNearby
St Mary Elementary School 205 W Essex
Salem, SD 57058
District: Private SchoolNearby
Freeman Academy 748 S Main
Freeman, SD 57029
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 57311


Mitchell Technical College 1800 E. Spruce Street
Mitchell, SD 57301
Type: Post Secondary
Dakota Wesleyan University 1200 W University Ave
Mitchell, SD 57301-4398
Type: Post Secondary
Dakota State University 820 N Washington Ave
Madison, SD 57042-1799
Type: Post Secondary
Southeast Technical College 2320 N Career Ave
Sioux Falls, SD 57107-1301
Type: Post Secondary
Stewart School 604 N. West Ave.
Sioux Falls, SD 57104
Type: Post Secondary
Sanford Medical Center 1305 W. 18th Street
Sioux Falls, SD 57117-5039
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov