US ZIP Code
57374

Spencer, SD

McCook County  ·  South Dakota

● Active
👥 318 Population ↓ 23% since 2019
💰 $75,625 Median HH Income
≈ Avg ↑ 18% since 2019
🎂 41.7 Median Age ↓ 11% since 2019
🏠 $199,200 Median Home Value
▼ 29% below avg ↑ 42% since 2019
🎓 34.6% College Grads
▼ 11% below avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57374
CitySpencer
StateSouth Dakota (SD)
CountyMcCook County
Area Code605
Elevation1,383 ft
Latitude43.753348
Longitude-97.599126
TimezoneChicago (DST)
FIPS46087
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 54.7% (174) Female 45.3% (144) ♀

Race & Ethnicity

White: 94.7%Hispanic: 0.6%Other: 4.4%Race
White94.7%
Hispanic0.6%
Other4.4%

Age Breakdown

Under 5
5%
5–17
26%
18–24
6%
25–44
17%
45–64
27%
65+
6%

Key Indicators

Median Age41.7 yrs ↓ 11% since 2019
Avg Household Size2.65
Below Poverty0.0% ▼ 100% below avg
College Grads34.6% ▼ 11% below avg
Unemployment0.0% ▼ 100% below avg
HS Graduate67 (35.6%)
Some College14 (7.4%)
Associates42 (22.3%)
Bachelors21 (11.2%)
Graduate Degree44 (23.4%)

Education

HS Grad: 35.6%Some College: 7.4%Associates: 22.3%Bachelors: 11.2%Graduate: 23.4%Edu
HS Grad35.6%
Some College7.4%
Associates22.3%
Bachelors11.2%
Graduate23.4%
Housing & Income

Housing Tenure

Owner: 87.5%Renter: 12.5%Tenure
Owner87.5%
Renter12.5%

Home Value Distribution

Under $50k
7%
$50k–100k
10%
$100k–150k
10%
$150k–200k
25%
$200k–300k
22%
$300k–500k
15%
Over $500k
12%

Financials

Median HH Income$75,625 ≈ Avg ↑ 18% since 2019
Median Home Value$199,200 ▼ 29% below avg ↑ 42% since 2019
Home/Income Ratio2.6x (nat avg ~3.5x)
Median Rent$425/mo
Total Units143
Vacant Units23
Avg HH Size2.65

Income Distribution

Under $25k
12%
$25k–50k
11%
$50k–75k
25%
$75k–100k
6%
$100k–150k
23%
$150k–200k
14%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
83%
Walked
8%
Work From Home
9%

Commute Time

Under 15 min
19%
15–30 min
28%
30–45 min
47%
Over 45 min
6%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
13%
1960s–1970s
2%
1980s–1990s
17%
2000+
66%

Summary

Total Units143
Vacant23
Owner Occupied87.5%
Renter Occupied12.5%
Avg HH Size2.65
Frequently Asked Questions
ZIP code 57374 is in Spencer, SD, in McCook County.
ZIP code 57374 is located in South Dakota (SD).
ZIP code 57374 is in McCook County, SD.
ZIP 57374 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57374 is 318 people (ACS 2023).
The median household income in ZIP code 57374 is $75,625 (ACS 2023).
The median home value in ZIP 57374 is $199,200 (ACS 2023).
About ZIP Code 57374

ZIP code 57374 is located in Spencer, South Dakota, within McCook County. With a population of 318, this is a sparsely populated ZIP code with a middle-aged community — the median age is 41.7 years. Economically, 57374 is a middle-income ZIP code: the median household income of $75,625 is near the national average.

Real estate in ZIP code 57374 represents an affordable housing market. The median home value of $199,200 is below the national average. Renters can expect to pay around $425 per month in median rent. Homeownership is strong here — 87.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 42% since 2019.

The population of 57374 is primarily White (94.65%). Residents are moderately educated — 34.6% hold a bachelor's degree or higher, which is near the national average. Household income has grown by 18% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 75%.

Overall, ZIP code 57374 in Spencer, SD is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 318 residents, a median household income of $75,625, and a median home value of $199,200, it offers a clear picture of life in this part of South Dakota.