US ZIP Code
57331

Dimock, SD

Hutchinson County  ·  South Dakota

● Active
👥 301 Population ↓ 39% since 2019
💰 $111,875 Median HH Income
▲ 47% above avg ↑ 50% since 2019
🎂 49.7 Median Age ↑ 30% since 2019
🏠 $226,700 Median Home Value
▼ 19% below avg ↑ 50% since 2019
🎓 30.3% College Grads
▼ 22% below avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57331
CityDimock
StateSouth Dakota (SD)
CountyHutchinson County
Area Code605
Elevation1,402 ft
Latitude43.474415
Longitude-98.044848
TimezoneChicago (DST)
FIPS46067
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.2% (148) Female 50.8% (153) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

Under 5
11%
5–17
9%
18–24
1%
25–44
21%
45–64
42%
65+
10%

Key Indicators

Median Age49.7 yrs ↑ 30% since 2019
Avg Household Size2.33
Below Poverty5.0% ▼ 50% below avg
College Grads30.3% ▼ 22% below avg
Unemployment0.0% ▼ 100% below avg
HS Graduate132 (57.1%)
Some College15 (6.5%)
Associates14 (6.1%)
Bachelors44 (19%)
Graduate Degree26 (11.3%)

Education

HS Grad: 57.1%Some College: 6.5%Associates: 6.1%Bachelors: 19%Graduate: 11.3%Edu
HS Grad57.1%
Some College6.5%
Associates6.1%
Bachelors19.0%
Graduate11.3%
Housing & Income

Housing Tenure

Owner: 76%Renter: 24%Tenure
Owner76.0%
Renter24.0%

Home Value Distribution

Under $50k
1%
$50k–100k
21%
$100k–150k
4%
$150k–200k
15%
$200k–300k
21%
$300k–500k
26%
Over $500k
11%

Financials

Median HH Income$111,875 ▲ 47% above avg ↑ 50% since 2019
Median Home Value$226,700 ▼ 19% below avg ↑ 50% since 2019
Home/Income Ratio2.0x (nat avg ~3.5x)
Total Units144
Vacant Units15
Avg HH Size2.33

Income Distribution

Under $25k
15%
$25k–50k
11%
$50k–75k
2%
$75k–100k
11%
$100k–150k
21%
$150k–200k
25%
Over $200k
13%
Employment & Commute

How People Get to Work

Drove Alone
83%
Walked
7%
Work From Home
10%

Commute Time

Under 15 min
28%
15–30 min
40%
30–45 min
25%
Over 45 min
8%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
10%
1960s–1970s
9%
1980s–1990s
5%
2000+
73%

Summary

Total Units144
Vacant15
Owner Occupied76.0%
Renter Occupied24.0%
Avg HH Size2.33
Frequently Asked Questions
ZIP code 57331 is in Dimock, SD, in Hutchinson County.
ZIP code 57331 is located in South Dakota (SD).
ZIP code 57331 is in Hutchinson County, SD.
ZIP 57331 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57331 is 301 people (ACS 2023).
The median household income in ZIP code 57331 is $111,875 (ACS 2023).
The median home value in ZIP 57331 is $226,700 (ACS 2023).
About ZIP Code 57331

ZIP code 57331 is located in Dimock, South Dakota, within Hutchinson County. With a population of 301, this is a sparsely populated ZIP code with a mature community — the median age is 49.7 years. Economically, 57331 is a upper-middle-income ZIP code: the median household income of $111,875 is above the national average.

Real estate in ZIP code 57331 represents an affordable housing market. The median home value of $226,700 is below the national average. Homeownership is strong here — 76.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 50% since 2019.

The population of 57331 is primarily White (100.00%). Residents are moderately educated — 30.3% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 5.0%. Household income has grown by 50% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 78%.

Overall, ZIP code 57331 in Dimock, SD is characterized as upper-middle-income, moderately educated, a mature community, and predominantly owner-occupied. With 301 residents, a median household income of $111,875, and a median home value of $226,700, it offers a clear picture of life in this part of South Dakota.