Mason City, IA 50401 ZIP Code Profile


Camera Icon Photos of the local Mason City, IA area

ZIP Code 50401: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Mason City, IA 50401

Not Acceptable, USPS
Central Heights, IA 50401
Emery, IA 50401
Freeman, IA 50401
Hanford, IA 50401
Portland, IA 50401
Winnebago Heights, IA 50401

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,219
  • Single Family Addresses: 11,994
  • Multi-Family Addresses: 1,662
  • County: Cerro Gordo County
  • Centroid: Latitude 43.149, Longitude -93.198
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood 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 certain data.


50401 ZIP Code Map

Search the map for:

Mason City, IA 50401 Data & Demographics (As of July 1, 2017)


Total Population 29,342
Daytime Population: Workers 20,652
Daytime Population: Residents 13,725
Total Daytime Population (TDP) 34,377
Ratio TDP/Total Population1 1.17
Population in Households 28,548
Population in Familes 21,311
Population in Group Qrtrs 794
Population Density2 195
Diversity Index3 24


Median Household Income $45,545
Average Household Income $60,993
Per Capita Income $27,459


Total Housing Units 14,253 (100%)
Owner Occupied HU 8,728 (61.2%)
Renter Occupied HU 4,300 (30.2%)
Vacant Housing Units 1,225 ( 8.6%)
Median Home Value $118,816
Average Home Value $148,416


Total Households 13,028
Average Household Size 2.19
Family Households 7,581
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 -0.23% -0.28%
Households -0.08% -0.2%
Families -0.28% -0.32%
Median Household Income   1.59%
Per Capita Income   2.06%

Mason City, IA 50401 - Peer Comparisons by Rank and Percentile

The table below compares 50401 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2017 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 # 25 98th
Population Density # 159 84th
Diversity Index # 142 85th
Median Household Income # 831 14th
Per Capita Income # 538 44th

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

Iowa Research Tools

Iowa Census Data Comparison Tool

Compare Iowa Census Data
Highest or Lowest: