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 Low-density area
- $49,276
- Median income Below-median income area
- $86,700
- Median home value Below-median home value
- 20.8%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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 a sparsely populated ZIP (a standard USPS delivery area) in Eureka, McPherson County, South Dakota, home to just 1,286 residents across 1428.9 square miles, a density of 1 people per square mile, in the Chicago time zone.
ZIP 57437 reports a modest median household income of $49,276 (36% below the average South Dakota ZIP), while per-capita income is $51,925. The poverty rate is 12.8%, with unemployment at 0.2%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $86,700 (55% below the average South Dakota ZIP), and median rent is $566; owner occupancy is 81.7%.
Educational attainment sits below the national norm: 20.8% of adults hold a bachelor's degree or higher, the median age is 63.3, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the South Dakota and national benchmarks above are the appropriate context for 57437.
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 →
Top industries in ZIP 57437
Top 5 sectors by establishment count in Eureka, SD
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$51,925
Per Capita Income
12.8%
Poverty Rate
0.2%
Unemployment Rate
How ZIP 57437 ranks among South Dakota ZIPs
Eureka, SD household income vs. every South Dakota ZIP code
Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$49,276 8th percentile higher than 8% of 337 South Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more South Dakota 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?
Housing stock: occupied vs vacant
717housing units
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 ZIP avg
$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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57437, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,286 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in McPherson County
Related Areas
Frequently Asked Questions
What county is ZIP code 57437 in?
ZIP code 57437 (Eureka) is located in McPherson County, South Dakota. McPherson County contains multiple ZIP codes, see the full list at /counties/mcpherson-sd.
What is the population of ZIP code 57437?
ZIP code 57437 in Eureka, SD has a population of 1,286 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57437?
The median household income in ZIP 57437 is $49,276, which is 35% below the national average of $76,288.
What is the average home value in ZIP 57437?
The median home value in ZIP 57437 is $86,700, which is 69% below the national average of $278,155.
What is the demographic makeup of ZIP 57437?
The largest racial group in ZIP 57437 is White at 94.3%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 57437?
ZIP code 57437 has 53 business establishments employing approximately 282 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57437?
The top industries by establishment count in ZIP 57437 are: Retail trade (8), Health care and social assistance (8), Other services (except public administration) (8). There are 6 industry sectors represented in total.
What is the education level in ZIP code 57437?
In ZIP code 57437, 62.1% of residents aged 25+ have a high school diploma or higher, and 20.8% 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 57437?
In ZIP code 57437, approximately 81.7% of occupied housing units are owner-occupied and 18.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57437?
The poverty rate in ZIP code 57437 is 12.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
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What to do with ZIP 57437's numbers, next.
- See how ZIP 57437 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.