Eureka, SD · standard
ZIP Code 57437
McPherson County, South Dakota — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,286
- 1/sq mi
- $49,276
- Median income
- $86,700
- Median home value
- 20.8%
- Bachelor's or higher
The verdict
Eureka pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 13th pct
- household income, US ZIPs
- 6th pct
- home value, US ZIPs
- 1
- people per sq mi
- 82%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57437 against every reporting US ZIP.
ZIP code 57437 is classified by USPS as a standard delivery area and covers roughly 1428.9 square miles in Eureka, McPherson County, South Dakota. The area is home to 1,286 residents, producing a population density of 1 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 57437 against South Dakota and the nation.
On the economic side, the median household income for ZIP 57437 sits at $49,276 (36% below the South Dakota average), while per-capita income is $51,925. The poverty rate stands at 12.8% and the unemployment rate at 0.2%. On housing, the median home value is $86,700 (55% below the state average) with median rent at $566 per month, and 81.7% of occupied units are owner-occupied, a direct signal of whether 57437 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 20.8% of adults hold a bachelor's degree or higher, the median age is 63.3, and the average commute is —. Use the benchmarks above to see where 57437 sits relative to South Dakota and the national baseline rather than viewing the numbers in isolation. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 57437
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 57437.
- Retail trade
Retail trade
8 establishments
- Health care and social assistance
Health care and social assistance
8 establishments
- Other services (except public administration)
Other services (except public administration)
8 establishments
- Construction
Construction
7 establishments
- Manufacturing
Manufacturing
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 57437, Eureka, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,286
Population
1428.9
Area (sq mi)
1
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57437?
63.3
Median Age
47.7%
Male
52.3%
Female
0.7%
Foreign-Born
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?
$49,276
Median Household Income
-36% vs state
$51,925
Per Capita Income
12.8%
Poverty Rate
0.2%
Unemployment Rate
How ZIP 57437 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$49,276 13th percentile higher than 13% of 30,318 US ZIPs
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
717
Total Housing Units
556
Occupied Units
161
Vacant Units
1.75
Avg Household Size
Occupancy Type
$86,700
Median Home Value
-55% vs state
$566
Median Rent
1961
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 53 business establishments in ZIP 57437, employing approximately 282 people with a combined annual payroll of $10,871,000.
53
Businesses
282
Employees
$10.9M
Annual Payroll
6
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 8 | 15.1% |
| Health care and social assistance | 8 | 15.1% |
| Other services (except public administration) | 8 | 15.1% |
| Construction | 7 | 13.2% |
| Manufacturing | 4 | 7.5% |
| Finance and insurance | 3 | 5.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
More ZIP Codes in McPherson County
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Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Eureka, SD
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.