PlainZIP

Marathon, IA · standard

ZIP Code 50565

Buena Vista County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

468
4/sq mi
$51,875
Median income
$59,700
Median home value
17.7%
Bachelor's or higher

The verdict

Marathon pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

17th pct
household income, US ZIPs
2th pct
home value, US ZIPs
4
people per sq mi
89%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 50565 against every reporting US ZIP.

ZIP code 50565 is a sparsely populated ZIP (a standard USPS delivery area) in Marathon, Buena Vista County, Iowa, home to just 468 residents across 114.1 square miles, a density of 4 people per square mile, in the Chicago time zone.

ZIP 50565 reports a modest median household income of $51,875 (32% below the Iowa average), while per-capita income is $27,992. Poverty here runs at 19.7%, with unemployment measured at 9.2%. Median home value sits at $59,700 (66% below the state average), median rent at $817 a month, and owner-occupancy at 89.0%.

Educational attainment sits below the national norm: 17.7% of adults hold a bachelor's degree or higher, the median age is 48.9, and the average commute is -. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Buena Vista County, so you can benchmark 50565 against its immediate geography rather than a 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 50565, Marathon, IA · 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

468

Population

114.1

Area (sq mi)

4

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 50565?

48.9

Median Age

42.9%

Male

57.1%

Female

3.4%

Foreign-Born

White 82.6%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 16.6%
Hispanic or Latino 6.8%

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?

$51,875

Median Household Income

-32% vs state

$27,992

Per Capita Income

19.7%

Poverty Rate

9.2%

Unemployment Rate

How ZIP 50565 ranks nationally

Marathon, IA household income vs. every US ZIP code

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

$51,875 17th percentile higher than 17% 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%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $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 45.8%
Bachelor's Degree or Higher 17.7%

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

What does housing look like?

214

Total Housing Units

163

Occupied Units

51

Vacant Units

2.33

Avg Household Size

Occupancy Type

Owner 89.0%
Renter 11.0%

$59,700

Median Home Value

-66% vs state

$817

Median Rent

1938

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 5 business establishments in ZIP 50565, employing approximately 12 people with a combined annual payroll of $566,000.

5

Businesses

12

Employees

$566K

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 50565 vs 50510 →

ZIP 50565 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 50565 ranks #3 by population - useful context the national average alone can't give.

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

ZIP 50565 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 50565 ranks #4 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
50510 Albert City, IA 1,116 6.7 mi
51366 Webb, IA 379 7.0 mi
50585 Sioux Rapids, IA 1,176 8.2 mi

More ZIP Codes in Buena Vista County

50588 standard
Storm Lake, IA
Pop: 12,756
51002 standard
Alta, IA
Pop: 2,741
50568 standard
Newell, IA
Pop: 1,398
50585 standard
Sioux Rapids, IA
Pop: 1,176
50510 standard
Albert City, IA
Pop: 1,116
51033 standard
Linn Grove, IA
Pop: 428

Related Areas

Buena Vista County Marathon, IA Iowa

Frequently Asked Questions

What county is ZIP code 50565 in? ▼
ZIP code 50565 (Marathon) is located in Buena Vista County, Iowa. Buena Vista County contains multiple ZIP codes, see the full list at /counties/buena-vista-ia.
What is the population of ZIP code 50565? ▼
ZIP code 50565 in Marathon, IA has a population of 468 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 50565? ▼
The median household income in ZIP 50565 is $51,875, which is 32% below the national average of $76,288.
What is the average home value in ZIP 50565? ▼
The median home value in ZIP 50565 is $59,700, which is 79% below the national average of $278,155.
What is the demographic makeup of ZIP 50565? ▼
The largest racial group in ZIP 50565 is White at 82.6%. Hispanic or Latino residents make up 6.8% of the population.
How many businesses are in ZIP code 50565? ▼
ZIP code 50565 has 5 business establishments employing approximately 12 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 50565? ▼
In ZIP code 50565, 45.8% of residents aged 25+ have a high school diploma or higher, and 17.7% 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 50565? ▼
In ZIP code 50565, approximately 89.0% of occupied housing units are owner-occupied and 11.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 50565? ▼
The poverty rate in ZIP code 50565 is 19.7% 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.