US ZIP Code
57311

Alexandria, SD

Hanson County  ·  South Dakota

● Active
👥 1,509 Population
💰 $99,432 Median HH Income
▲ 30% above avg ↑ 76% since 2019
🎂 37.3 Median Age ↑ 8% since 2019
🏠 $191,900 Median Home Value
▼ 31% below avg ↑ 49% since 2019
🎓 46.8% College Grads
▲ 21% above avg
📊 0.7% Unemployment
▼ 87% below avg ↑ 44% since 2019
ZIP Code Details
ZIP Code57311
CityAlexandria
StateSouth Dakota (SD)
CountyHanson County
Area Code605
Elevation1,363 ft
Latitude43.650512
Longitude-97.764648
TimezoneChicago (DST)
FIPS46061
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.4% (761) Female 49.6% (748) ♀

Race & Ethnicity

White: 90.7%Hispanic: 1.9%Other: 7.5%Race
White90.7%
Hispanic1.9%
Other7.5%

Age Breakdown

Under 5
8%
5–17
17%
18–24
9%
25–44
25%
45–64
21%
65+
12%

Key Indicators

Median Age37.3 yrs ↑ 8% since 2019
Avg Household Size3.01
Below Poverty1.1% ▼ 89% below avg
College Grads46.8% ▲ 21% above avg
Unemployment0.7% ▼ 87% below avg
No HS Diploma17 (1.8%)
HS Graduate257 (27.2%)
Some College77 (8.2%)
Associates151 (16%)
Bachelors222 (23.5%)
Graduate Degree220 (23.3%)

Education

No HS: 1.8%HS Grad: 27.2%Some College: 8.2%Associates: 16%Bachelors: 23.5%Graduate: 23.3%Edu
No HS1.8%
HS Grad27.2%
Some College8.2%
Associates16.0%
Bachelors23.5%
Graduate23.3%
Housing & Income

Housing Tenure

Owner: 86.7%Renter: 13.3%Tenure
Owner86.7%
Renter13.3%

Home Value Distribution

Under $50k
3%
$50k–100k
7%
$100k–150k
21%
$150k–200k
23%
$200k–300k
27%
$300k–500k
10%
Over $500k
9%

Financials

Median HH Income$99,432 ▲ 30% above avg ↑ 76% since 2019
Median Home Value$191,900 ▼ 31% below avg ↑ 49% since 2019
Home/Income Ratio1.9x (nat avg ~3.5x)
Median Rent$729/mo ↓ 13% since 2019
Total Units558
Vacant Units77
Avg HH Size3.01

Income Distribution

Under $25k
4%
$25k–50k
11%
$50k–75k
19%
$75k–100k
16%
$100k–150k
33%
$150k–200k
9%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
81%
Walked
7%
Work From Home
12%

Commute Time

Under 15 min
38%
15–30 min
42%
30–45 min
10%
Over 45 min
10%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
9%
1960s–1970s
9%
1980s–1990s
14%
2000+
64%

Summary

Total Units558
Vacant77
Owner Occupied86.7%
Renter Occupied13.3%
Avg HH Size3.01
Frequently Asked Questions
ZIP code 57311 is in Alexandria, SD, in Hanson County.
ZIP code 57311 is located in South Dakota (SD).
ZIP code 57311 is in Hanson County, SD.
ZIP 57311 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57311 is 1,509 people (ACS 2023).
The median household income in ZIP code 57311 is $99,432 (ACS 2023).
The median home value in ZIP 57311 is $191,900 (ACS 2023).
About ZIP Code 57311

ZIP code 57311 is located in Alexandria, South Dakota, within Hanson County. With a population of 1,509, this is a sparsely populated ZIP code with a relatively young community — the median age is 37.3 years. Economically, 57311 is a middle-income ZIP code: the median household income of $99,432 is above the national average.

Real estate in ZIP code 57311 represents an affordable housing market. The median home value of $191,900 is below the national average. Renters can expect to pay around $729 per month in median rent. Homeownership is strong here — 86.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 49% since 2019.

The population of 57311 is primarily White (90.66%). Residents are well-educated — 46.8% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 1.1%. Household income has grown by 76% since 2019.

The unemployment rate in 57311 stands at 0.7%, which is well below the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 77%.

Overall, ZIP code 57311 in Alexandria, SD is characterized as middle-income, well-educated, a relatively young community, and predominantly owner-occupied. With 1,509 residents, a median household income of $99,432, and a median home value of $191,900, it offers a clear picture of life in this part of South Dakota.