Carthage, SD · standard
ZIP Code 57323
Miner County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 215
- 1/sq mi
- $51,250
- Median income
- $70,000
- Median home value
- 34.2%
- Bachelor's or higher
National ZIP placement
Carthage pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 16th pct
- household income, US ZIPs
- 3rd pct
- home value, US ZIPs
- 1
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57323 against every reporting US ZIP.
ZIP code 57323 is a sparsely populated ZIP (a standard USPS delivery area) in Carthage, Miner County, South Dakota, home to just 215 residents across 238.9 square miles, a density of 1 people per square mile, in the Chicago time zone.
ZIP 57323 reports a modest median household income of $51,250 (33% below the average South Dakota ZIP), while per-capita income is $43,037. The poverty rate is 16.7%, with unemployment at 0.0%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $70,000 (64% below the average South Dakota ZIP); owner occupancy is 87.8%.
A solid share of residents have a four-year degree: 34.2% of adults hold a bachelor's degree or higher, the median age is 70.1, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 2 more in Miner County, so 57323 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 →
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 57323, Carthage, 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
215
Population
238.9
Area (sq mi)
1
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57323?
70.1
Median Age
57.1%
Male
42.9%
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?
$51,250
Median Household Income
-33% vs state ZIP avg
$43,037
Per Capita Income
16.7%
Poverty Rate
0.0%
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?
Housing stock: occupied vs vacant
155housing units
155
Total Housing Units
82
Occupied Units
73
Vacant Units
1.54
Avg Household Size
Occupancy Type
$70,000
Median Home Value
-64% vs state ZIP avg
1953
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 7 business establishments in ZIP 57323, employing approximately 33 people with a combined annual payroll of $1,047,000.
7
Businesses
33
Employees
$1.0M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 3 | 42.9% |
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 57323 vs 57337 →
ZIP 57323 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57349
Howard (57349)
1,493 residents
- 57323 215
Carthage (57323)
215 residents
- 57337 140
Fedora (57337)
140 residents
What this shows Among its immediate neighbors, ZIP 57323 ranks #2 by population - useful context the national average alone can't give.
ZIP 57323 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57337
Fedora (57337)
$75,197 median income
- 57349
Howard (57349)
$75,179 median income
- 57323
Carthage (57323)
$51,250 median income
What this shows By household income, ZIP 57323 ranks #3 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 57323, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.