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 Low-density area
- $103,839
- Median income Above-median income area
- $186,800
- Median home value Near-median home value
- 24.7%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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 average South Dakota ZIP), while per-capita income is $45,968. Both reported hardship measures are comparatively low in absolute terms: poverty is 2.5% and unemployment is 0.7%. Median home value is $186,800 (3% below the average South Dakota ZIP) and median rent is $781; 89.5% of occupied homes 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. The page also surfaces 2 ZIP codes within roughly 10 miles and 3 more in Hanson County, so 57311 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
5 establishments
- Finance and insurance
Finance and insurance
5 establishments
- Retail trade
Retail trade
3 establishments
- Other services (except public administration)
Other services (except public administration)
3 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, 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
Who lives in ZIP 57311?
41.5
Median Age
49.7%
Male
50.3%
Female
1.7%
Foreign-Born
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 ZIP avg
$45,968
Per Capita Income
2.5%
Poverty Rate
0.7%
Unemployment Rate
19.9 min
Mean Commute Time
How ZIP 57311 ranks among South Dakota ZIPs
Alexandria, SD household income vs. every South Dakota ZIP code
Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$103,839 Top 9% higher than 91% of 337 South Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more South Dakota 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
517housing units
517
Total Housing Units
455
Occupied Units
62
Vacant Units
2.93
Avg Household Size
Occupancy Type
$186,800
Median Home Value
-3% vs state ZIP avg
$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.
- 57311
Alexandria (57311)
1,616 residents
- 57332
Emery (57332)
730 residents
- 57340 355
Fulton (57340)
355 residents
What this shows Among its immediate neighbors, ZIP 57311 ranks the most populous - useful context the national average alone can't give.
ZIP 57311 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57311
Alexandria (57311)
$103,839 median income
- 57332
Emery (57332)
$69,583 median income
- 57340
Fulton (57340)
$58,500 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57311, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,616 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Hanson County
Related Areas
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.
Related
Take this with you
What to do with ZIP 57311's numbers, next.
- See how ZIP 57311 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Alexandria, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.