PlainZIP

Spencer, SD · standard

ZIP Code 57374

McCook County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

343
2/sq mi
$79,167
Median income
$215,300
Median home value
31.3%
Bachelor's or higher

The verdict

Spencer pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.

Top 39%
household income, US ZIPs
48th pct
home value, US ZIPs
2
people per sq mi
92%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57374 against every reporting US ZIP.

ZIP code 57374 is a sparsely populated ZIP (a standard USPS delivery area) in Spencer, McCook County, South Dakota, home to just 343 residents across 190.6 square miles, a density of 2 people per square mile, in the Chicago time zone.

ZIP 57374 lands in the middle-income range, with a median household income of $79,167 (3% above the South Dakota average), while per-capita income is $40,084. Local economic indicators show a 1.1% poverty rate alongside 0.0% unemployment. Housing costs here run $215,300 for a typical home value (12% above the state average), with rent averaging $440 a month; 91.7% of homes are owner-occupied.

A solid share of residents have a four-year degree: 31.3% of adults hold a bachelor's degree or higher, the median age is 39.5, and the average commute is -. A geography-based comparison follows: 1 ZIP codes within about 10 miles of 57374, plus 4 more within McCook County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57374, Spencer, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

343

Population

190.6

Area (sq mi)

2

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57374?

39.5

Median Age

58.8%

Male

41.2%

Female

0.0%

Foreign-Born

White 94.9%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.8%
Hispanic or Latino 0.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$79,167

Median Household Income

+3% vs state

$40,084

Per Capita Income

1.1%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 57374 ranks nationally

Spencer, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$79,167 Top 39% higher than 61% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 71.2%
Bachelor's Degree or Higher 31.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

121

Total Housing Units

108

Occupied Units

13

Vacant Units

2.52

Avg Household Size

Occupancy Type

Owner 91.7%
Renter 8.3%

$215,300

Median Home Value

+12% vs state

$440

Median Rent

1966

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 8 business establishments in ZIP 57374, employing approximately 45 people with a combined annual payroll of $4,352,000.

8

Businesses

45

Employees

$4.4M

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 57374 vs 57321 →

ZIP Code City Population Distance
57321 Canova, SD 388 8.4 mi

More ZIP Codes in McCook County

57058 standard
Salem, SD
Pop: 1,973
57048 standard
Montrose, SD
Pop: 1,170
57012 standard
Canistota, SD
Pop: 1,160
57319 standard
Bridgewater, SD
Pop: 1,003

Related Areas

McCook County Spencer, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57374 in? ▼
ZIP code 57374 (Spencer) is located in McCook County, South Dakota. McCook County contains multiple ZIP codes, see the full list at /counties/mccook-sd.
What is the population of ZIP code 57374? ▼
ZIP code 57374 in Spencer, SD has a population of 343 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57374? ▼
The median household income in ZIP 57374 is $79,167, which is 4% above the national average of $76,288.
What is the average home value in ZIP 57374? ▼
The median home value in ZIP 57374 is $215,300, which is 23% below the national average of $278,155.
What is the demographic makeup of ZIP 57374? ▼
The largest racial group in ZIP 57374 is White at 94.9%. Hispanic or Latino residents make up 0.4% of the population.
How many businesses are in ZIP code 57374? ▼
ZIP code 57374 has 8 business establishments employing approximately 45 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57374? ▼
In ZIP code 57374, 71.2% of residents aged 25+ have a high school diploma or higher, and 31.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57374? ▼
In ZIP code 57374, approximately 91.7% of occupied housing units are owner-occupied and 8.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57374? ▼
The poverty rate in ZIP code 57374 is 1.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.