US ZIP Code
57330

Delmont, SD

Douglas County  ·  South Dakota

● Active
👥 548 Population ↑ 20% since 2019
💰 $60,962 Median HH Income
▼ 20% below avg ↑ 23% since 2019
🎂 35.5 Median Age ↓ 29% since 2019
🏠 $150,700 Median Home Value
▼ 46% below avg ↑ 78% since 2019
🎓 40.3% College Grads
≈ Avg
📊 0.4% Unemployment
▼ 91% below avg ↓ 90% since 2019
ZIP Code Details
ZIP Code57330
CityDelmont
StateSouth Dakota (SD)
CountyDouglas County
Area Code605
Elevation1,476 ft
Latitude43.264542
Longitude-98.157694
TimezoneChicago (DST)
FIPS46043
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 46.4% (254) Female 53.7% (294) ♀

Race & Ethnicity

White: 92.5%Hispanic: 1.6%Other: 4.4%Race
White92.5%
Hispanic1.6%
Other4.4%

Age Breakdown

Under 5
7%
5–17
24%
18–24
9%
25–44
22%
45–64
20%
65+
9%

Key Indicators

Median Age35.5 yrs ↓ 29% since 2019
Avg Household Size2.60
Below Poverty17.9% ▲ 79% above avg
College Grads40.3% ≈ Avg
Unemployment0.4% ▼ 91% below avg
HS Graduate82 (26.2%)
Some College21 (6.7%)
Associates84 (26.8%)
Bachelors33 (10.5%)
Graduate Degree93 (29.7%)

Education

HS Grad: 26.2%Some College: 6.7%Associates: 26.8%Bachelors: 10.5%Graduate: 29.7%Edu
HS Grad26.2%
Some College6.7%
Associates26.8%
Bachelors10.5%
Graduate29.7%
Housing & Income

Housing Tenure

Owner: 83.2%Renter: 16.9%Tenure
Owner83.2%
Renter16.9%

Home Value Distribution

Under $50k
11%
$50k–100k
27%
$100k–150k
12%
$150k–200k
29%
$200k–300k
8%
$300k–500k
5%
Over $500k
9%

Financials

Median HH Income$60,962 ▼ 20% below avg ↑ 23% since 2019
Median Home Value$150,700 ▼ 46% below avg ↑ 78% since 2019
Home/Income Ratio2.5x (nat avg ~3.5x)
Median Rent$625/mo ↑ 32% since 2019
Total Units227
Vacant Units43
Avg HH Size2.60

Income Distribution

Under $25k
25%
$25k–50k
17%
$50k–75k
14%
$75k–100k
11%
$100k–150k
20%
$150k–200k
3%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
73%
Walked
22%
Work From Home
4%

Commute Time

Under 15 min
41%
15–30 min
35%
30–45 min
19%
Over 45 min
4%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
16%
1960s–1970s
2%
1980s–1990s
8%
2000+
69%

Summary

Total Units227
Vacant43
Owner Occupied83.2%
Renter Occupied16.9%
Avg HH Size2.60
Frequently Asked Questions
ZIP code 57330 is in Delmont, SD, in Douglas County.
ZIP code 57330 is located in South Dakota (SD).
ZIP code 57330 is in Douglas County, SD.
ZIP 57330 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57330 is 548 people (ACS 2023).
The median household income in ZIP code 57330 is $60,962 (ACS 2023).
The median home value in ZIP 57330 is $150,700 (ACS 2023).
About ZIP Code 57330

ZIP code 57330 is located in Delmont, South Dakota, within Douglas County. With a population of 548, this is a sparsely populated ZIP code with a relatively young community — the median age is 35.5 years. Economically, 57330 is a solidly middle-class ZIP code: the median household income of $60,962 is below the national average.

Real estate in ZIP code 57330 represents an affordable housing market. The median home value of $150,700 is below the national average. Renters can expect to pay around $625 per month in median rent. Homeownership is strong here — 83.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 78% since 2019.

The population of 57330 is primarily White (92.52%). Residents are well-educated — 40.3% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 17.9%. Household income has grown by 23% since 2019.

The unemployment rate in 57330 stands at 0.4%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 57330 in Delmont, SD is characterized as solidly middle-class, well-educated, a relatively young community, and predominantly owner-occupied. With 548 residents, a median household income of $60,962, and a median home value of $150,700, it offers a clear picture of life in this part of South Dakota.