US ZIP Code
57645

Morristown, SD

Corson County  ·  South Dakota

● Active
👥 149 Population ↓ 6% since 2019
💰 $73,000 Median HH Income
≈ Avg ↑ 77% since 2019
🎂 51.1 Median Age ↑ 53% since 2019
🏠 $37,100 Median Home Value
▼ 87% below avg ↓ 23% since 2019
🎓 43.5% College Grads
▲ 12% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code57645
CityMorristown
StateSouth Dakota (SD)
CountyCorson County
Area Code605
Elevation2,282 ft
Latitude45.907315
Longitude-101.716409
TimezoneChicago (DST)
FIPS46031
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 53.7% (80) Female 46.3% (69) ♀

Race & Ethnicity

White: 90.6%Other: 2%Race
White90.6%
Other2.0%

Age Breakdown

Under 5
7%
5–17
13%
18–24
3%
25–44
15%
45–64
31%
65+
15%

Key Indicators

Median Age51.1 yrs ↑ 53% since 2019
Avg Household Size2.01
Below Poverty13.4% ▲ 34% above avg
College Grads43.5% ▲ 12% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate36 (33.3%)
Some College11 (10.2%)
Associates14 (13%)
Bachelors21 (19.4%)
Graduate Degree26 (24.1%)

Education

HS Grad: 33.3%Some College: 10.2%Associates: 13%Bachelors: 19.4%Graduate: 24.1%Edu
HS Grad33.3%
Some College10.2%
Associates13.0%
Bachelors19.4%
Graduate24.1%
Housing & Income

Housing Tenure

Owner: 90.5%Renter: 9.5%Tenure
Owner90.5%
Renter9.5%

Home Value Distribution

Under $50k
55%
$50k–100k
19%
$100k–150k
4%
$200k–300k
3%
$300k–500k
18%

Financials

Median HH Income$73,000 ≈ Avg ↑ 77% since 2019
Median Home Value$37,100 ▼ 87% below avg ↓ 23% since 2019
Home/Income Ratio0.5x (nat avg ~3.5x)
Total Units93
Vacant Units19
Avg HH Size2.01

Income Distribution

Under $25k
32%
$25k–50k
9%
$50k–75k
12%
$75k–100k
10%
$100k–150k
23%
$150k–200k
7%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
43%
Walked
12%
Work From Home
46%

Commute Time

Under 15 min
29%
15–30 min
53%
30–45 min
9%
Over 45 min
9%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
18%
1960s–1970s
10%
1980s–1990s
2%
2000+
69%

Summary

Total Units93
Vacant19
Owner Occupied90.5%
Renter Occupied9.5%
Avg HH Size2.01
Frequently Asked Questions
ZIP code 57645 is in Morristown, SD, in Corson County.
ZIP code 57645 is located in South Dakota (SD).
ZIP code 57645 is in Corson County, SD.
ZIP 57645 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57645 is 149 people (ACS 2023).
The median household income in ZIP code 57645 is $73,000 (ACS 2023).
The median home value in ZIP 57645 is $37,100 (ACS 2023).
About ZIP Code 57645

ZIP code 57645 is located in Morristown, South Dakota, within Corson County. With a population of 149, this is a sparsely populated ZIP code with a mature community — the median age is 51.1 years. Economically, 57645 is a solidly middle-class ZIP code: the median household income of $73,000 is near the national average.

Real estate in ZIP code 57645 represents one of the more affordable housing markets in the country. The median home value of $37,100 is well below the national average. Homeownership is strong here — 90.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have decreased by 23% since 2019.

The population of 57645 is primarily White (90.60%). Residents are well-educated — 43.5% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 13.4%. Household income has grown by 77% since 2019.

A notably high share of workers — 41% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 38%.

Overall, ZIP code 57645 in Morristown, SD is characterized as solidly middle-class, well-educated, a mature community, and predominantly owner-occupied. With 149 residents, a median household income of $73,000, and a median home value of $37,100, it offers a clear picture of life in this part of South Dakota.