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Delmont, SD
City in Douglas County, South Dakota. ZIP codes: 57330.
Population
183
Land area
0.8sq mi
People per sq mi
240
ZIP codes
1
Delmont and its ZIP codes
Delmont at a glance
- Delmont is about 20 times as dense as South Dakota as a whole.
Local data for Delmont, SD
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Douglas County. PPP loans are for Delmont.
Unemployment rate
2.5%
Aug 2026, +0.4 pts in a year
Average annual pay
$47,141
1,050 jobs, 2025
Income per person
$73,191
BEA, 2024
Federal spending
$30.8M
FY 2026, $10,867 per person
PPP loans
$1.5M
86 loans, 121 jobs reported
Environment and hazard risk
Delmont, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
512
Countywide, mostly hail
Flood insurance policies
4
0.1% of homes, county
July high / Jan low
88° / 10°F
25.4 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Delmont, SD, CDC PLACES estimates
Obesity
37.6%
U.S. 33.3% +4.3 pts
Diabetes
16.7%
U.S. 12.1% +4.6 pts
Smoking
18.0%
U.S. 12.8% +5.2 pts
Uninsured (18-64)
7.9%
U.S. 11.1% -3.2 pts
ZIP codes in Delmont
1 in or overlapping Delmont. Population shown
Cities near Delmont
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Greenwood ColonyCensus-designated place | 3.4 mi | 0.2 |
| Clearfield ColonyCensus-designated place | 8.3 mi | 0.3 |
| ArmourCity | 10 mi | 0.9 |
| TrippCity | 10 mi | 0.6 |
| ParkstonCity | 13 mi | 1.3 |
| WagnerCity | 15 mi | 1.9 |
| Lakeview ColonyCensus-designated place | 15 mi | 1 |
| DanteTown | 15 mi | 0.5 |
| RaviniaTown | 16 mi | 0.2 |
| CorsicaCity | 17 mi | 0.8 |
| DimockTown | 17 mi | 0.2 |
| KaylorCensus-designated place | 17 mi | 0.9 |
| AvonCity | 19 mi | 0.6 |
| Lake AndesCity | 20 mi | 0.7 |
| MilltownCensus-designated place | 21 mi | 0.4 |
| EthanTown | 21 mi | 0.3 |
Frequently asked questions
- What county is Delmont, SD in?
- Delmont is in Douglas County, South Dakota.
- What ZIP codes are in Delmont, SD?
- ZIP codes in or overlapping Delmont include 57330.
- What is the population of Delmont, SD?
- About 183 people live in Delmont, based on American Community Survey 5-year estimates.
- What cities are near Delmont?
- Nearby places include Greenwood Colony (3.4 mi), Clearfield Colony (8.3 mi), Armour (10 mi), Tripp (10 mi), Parkston (13 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023