Marathon, IA 50565 ZIP Code Profile

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Marathon, IA

ZIP Code 50565: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Marathon, IA 50565

  • ZIP Code Type: STANDARD
  • County: Buena Vista County
  • Centroid: Latitude 42.86, Longitude -94.984
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 12
  • PO Box Addresses: 82
  • Residential Addresses: 125
    • Multi-Family Addresses: 0
    • Single Family Addresses: 125

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


50565 ZIP Code Map

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Marathon, IA 50565 Data & Demographics (As of July 1, 2018)


Total Population 427
Population in Households 427
Population in Familes 341
Population in Group Qrtrs 0
Population Density2 9
Diversity Index3 17


Median Household Income $50,624
Average Household Income $64,357
Per Capita Income $29,692


Total Housing Units 259 (100%)
Owner Occupied HU 152 (58.7%)
Renter Occupied HU 45 (17.4%)
Vacant Housing Units 62 (23.9%)
Median Home Value $89,706
Average Home Value $133,059


Total Households 197
Average Household Size 2.17
Family Households 134
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -1.13% -0.81%
Households -1.11% -0.83%
Families -1.28% -0.76%
Median Household Income   4.02%
Per Capita Income   3.98%

Marathon, IA 50565 - Peer Comparisons by Rank and Percentile

The table below compares 50565 to the other 961 ZIP Codes in Iowa by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 734 24th
Population Density # 869 9th
Diversity Index # 237 76th
Median Household Income # 702 27th
Per Capita Income # 458 52nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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