PlainZIP

Alexandria, SD · standard

ZIP Code 57311

Hanson County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,616
3/sq mi
$103,839
Median income
$186,800
Median home value
24.7%
Bachelor's or higher

The verdict

Alexandria pairs an upper-quartile household income with below-median home values, in a rural, homeowner-dominated area.

Top 17%
household income, US ZIPs
40th pct
home value, US ZIPs
3
people per sq mi
90%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57311 against every reporting US ZIP.

ZIP code 57311 covers 475.3 square miles in Alexandria, Hanson County, South Dakota (a standard USPS delivery area), with a modest 1,616 residents on file, a density of 3 people per square mile, in the Chicago time zone.

ZIP 57311 lands in the middle-income range, with a median household income of $103,839 (36% above the South Dakota average), while per-capita income is $45,968. Poverty here runs at 2.5%, with unemployment measured at 0.7%. The typical home here is valued at $186,800 (3% below the state average); renters pay a median of $781 monthly, and 89.5% of units are owner-occupied.

Educational attainment sits below the national norm: 24.7% of adults hold a bachelor's degree or higher, the median age is 41.5, and the average commute is 20 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 3 additional ZIPs sharing Hanson County, so you can benchmark 57311 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 57311

Top 5 sectors by establishment count in Alexandria, SD

Which industries have the most business establishments in ZIP 57311.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57311, Alexandria, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,616

Population

475.3

Area (sq mi)

3

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57311?

41.5

Median Age

49.7%

Male

50.3%

Female

1.7%

Foreign-Born

White 91.2%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.1%
Hispanic or Latino 2.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$103,839

Median Household Income

+36% vs state

$45,968

Per Capita Income

2.5%

Poverty Rate

0.7%

Unemployment Rate

19.9 min

Mean Commute Time

How ZIP 57311 ranks nationally

Alexandria, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$103,839 Top 17% higher than 83% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 51.1%
Bachelor's Degree or Higher 24.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

517

Total Housing Units

455

Occupied Units

62

Vacant Units

2.93

Avg Household Size

Occupancy Type

Owner 89.5%
Renter 10.5%

$186,800

Median Home Value

-3% vs state

$781

Median Rent

1962

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 27 business establishments in ZIP 57311, employing approximately 184 people with a combined annual payroll of $7,581,000.

27

Businesses

184

Employees

$7.6M

Annual Payroll

4

Industry Sectors

Industry Establishments % of Total
Construction 5 18.5%
Finance and insurance 5 18.5%
Retail trade 3 11.1%
Other services (except public administration) 3 11.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 57311 vs 57332 →

ZIP 57311 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 57311 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 57311 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 57311 ranks the highest of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
57332 Emery, SD 730 9.2 mi
57340 Fulton, SD 355 10.7 mi

More ZIP Codes in Hanson County

57332 standard
Emery, SD
Pop: 730
57321 standard
Canova, SD
Pop: 388
57340 standard
Fulton, SD
Pop: 355

Related Areas

Hanson County Alexandria, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57311 in? ▼
ZIP code 57311 (Alexandria) is located in Hanson County, South Dakota. Hanson County contains multiple ZIP codes, see the full list at /counties/hanson-sd.
What is the population of ZIP code 57311? ▼
ZIP code 57311 in Alexandria, SD has a population of 1,616 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57311? ▼
The median household income in ZIP 57311 is $103,839, which is 36% above the national average of $76,288.
What is the average home value in ZIP 57311? ▼
The median home value in ZIP 57311 is $186,800, which is 33% below the national average of $278,155.
What is the demographic makeup of ZIP 57311? ▼
The largest racial group in ZIP 57311 is White at 91.2%. Hispanic or Latino residents make up 2.2% of the population.
How many businesses are in ZIP code 57311? ▼
ZIP code 57311 has 27 business establishments employing approximately 184 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57311? ▼
The top industries by establishment count in ZIP 57311 are: Construction (5), Finance and insurance (5), Retail trade (3). There are 4 industry sectors represented in total.
What is the education level in ZIP code 57311? ▼
In ZIP code 57311, 51.1% of residents aged 25+ have a high school diploma or higher, and 24.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 57311? ▼
The mean commute time for workers in ZIP code 57311 is 19.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 57311? ▼
In ZIP code 57311, approximately 89.5% of occupied housing units are owner-occupied and 10.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57311? ▼
The poverty rate in ZIP code 57311 is 2.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.