Saint Charles, SD · standard
ZIP Code 57571
Gregory County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 14
- 14/sq mi
- 15.4%
- Bachelor's or higher
ZIP code 57571 is a sparsely populated ZIP (a standard USPS delivery area) in Saint Charles, Gregory County, South Dakota, home to just 14 residents across 1.0 square miles, a density of 14 people per square mile, in the Chicago time zone.
Median household income is not on file for ZIP 57571, but per-capita income is $17,418. 13.6% of residents live below the poverty line, and the unemployment rate reads 11.1%. Housing costs here run - for a typical home value, with rent averaging - a month; 91.7% of homes are owner-occupied.
Educational attainment sits below the national norm: 15.4% of adults hold a bachelor's degree or higher, the median age is 56.5, and the average commute is -. To put 57571 in local context, 2 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Gregory County, for a geography-aware comparison.
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 →
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 57571, Saint Charles, 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
14
Population
1.0
Area (sq mi)
14
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57571?
56.5
Median Age
54.5%
Male
45.5%
Female
0.0%
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?
$17,418
Per Capita Income
13.6%
Poverty Rate
11.1%
Unemployment Rate
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?
29
Total Housing Units
12
Occupied Units
17
Vacant Units
1.83
Avg Household Size
Occupancy Type
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 57571 vs 57538 →
ZIP 57571 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57317
Bonesteel (57317)
526 residents
- 57538
Herrick (57538)
322 residents
- 57571 14
Saint Charles (57571)
14 residents
What this shows Among its immediate neighbors, ZIP 57571 ranks #3 by population - useful context the national average alone can't give.
More ZIP Codes in Gregory County
Related Areas
Frequently Asked Questions
What county is ZIP code 57571 in? ▼
What is the population of ZIP code 57571? ▼
What is the demographic makeup of ZIP 57571? ▼
What is the education level in ZIP code 57571? ▼
What percentage of residents own vs. rent in ZIP 57571? ▼
What is the poverty rate in ZIP code 57571? ▼
Read our methodology to see how this data is sourced, computed, and verified.