Delmont, SD · standard
ZIP Code 57330
Douglas County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 625
- 2/sq mi Low-density area
- $71,563
- Median income Near-median income area
- $143,800
- Median home value Below-median home value
- 40.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Delmont pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 49th pct
- household income, US ZIPs
- 24th pct
- home value, US ZIPs
- 2
- people per sq mi
- 87%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57330 against every reporting US ZIP.
ZIP code 57330 is a sparsely populated ZIP (a standard USPS delivery area) in Delmont, Douglas County, South Dakota, home to just 625 residents across 328.9 square miles, a density of 2 people per square mile, in the Chicago time zone.
ZIP 57330 lands in the middle-income range, with a median household income of $71,563 (7% below the average South Dakota ZIP), while per-capita income is $29,329. The poverty rate is 23.5%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $143,800 (25% below the average South Dakota ZIP), and median rent is $618; owner occupancy is 86.5%.
A solid share of residents have a four-year degree: 40.8% of adults hold a bachelor's degree or higher, the median age is 40.1, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the South Dakota and national benchmarks above are the appropriate context for 57330.
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 57330, Delmont, 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
625
Population
328.9
Area (sq mi)
2
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57330?
40.1
Median Age
44.1%
Male
55.9%
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?
$71,563
Median Household Income
-7% vs state ZIP avg
$29,329
Per Capita Income
23.5%
Poverty Rate
0.5%
Unemployment Rate
How ZIP 57330 ranks among South Dakota ZIPs
Delmont, 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)
$71,563 42nd percentile higher than 42% 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
203housing units
203
Total Housing Units
171
Occupied Units
32
Vacant Units
2.85
Avg Household Size
Occupancy Type
$143,800
Median Home Value
-25% vs state ZIP avg
$618
Median Rent
1945
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 6 business establishments in ZIP 57330, employing approximately 19 people with a combined annual payroll of $666,000.
6
Businesses
19
Employees
$666K
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57330, 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.
More ZIP Codes in Douglas County
Related Areas
Frequently Asked Questions
What county is ZIP code 57330 in?
ZIP code 57330 (Delmont) is located in Douglas County, South Dakota. Douglas County contains multiple ZIP codes, see the full list at /counties/douglas-sd.
What is the population of ZIP code 57330?
ZIP code 57330 in Delmont, SD has a population of 625 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57330?
The median household income in ZIP 57330 is $71,563, which is 6% below the national average of $76,288.
What is the average home value in ZIP 57330?
The median home value in ZIP 57330 is $143,800, which is 48% below the national average of $278,155.
What is the demographic makeup of ZIP 57330?
The largest racial group in ZIP 57330 is White at 95.3%. Hispanic or Latino residents make up 1.3% of the population.
How many businesses are in ZIP code 57330?
ZIP code 57330 has 6 business establishments employing approximately 19 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57330?
In ZIP code 57330, 62.7% of residents aged 25+ have a high school diploma or higher, and 40.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57330?
In ZIP code 57330, approximately 86.5% of occupied housing units are owner-occupied and 13.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57330?
The poverty rate in ZIP code 57330 is 23.5% 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 57330's numbers, next.
- See how ZIP 57330 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Delmont, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.