Mason City, IA Profile: Facts, Map & Data


Mason City Local Links & Resources:
Hotels | Resources | ALL Mason City Content

Also See: Mason City, IA ZIP Codes & ZIP Code Maps | Local Area Photos

Mason City, Iowa - Basic Facts

The City of Mason City had a population of 27,623 as of July 1, 2017. Mason City ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Mason City is located at latitude 43.1486 and longitude -93.1998 in Cerro Gordo County. The formal boundaries for the City of Mason City (see map below) encompass a land area of 27.79 sq. miles and a water area of 0.3 sq. miles. Cerro Gordo County is in the Central time zone (GMT -6). The elevation is 1,132 feet.

The City of Mason City (GNIS ID: 468366) has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Mason City is located within , a minor civil division (MCD) of Cerro Gordo County.

Beneath the boundary map are tables with Mason City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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.


City of Mason City, IA Boundary Map

Also See: BIG Map | Driving Directions | IA Congressional Districts
Boundary Maps: | Cerro Gordo County | Iowa Counties

Search the map for:

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


Total Population 27,623
Daytime Population: Workers 19,983
Daytime Population: Residents 12,975
Total Daytime Population (TDP) 32,958
Ratio TDP/Total Population1 1.19
Population in Households 26,839
Population in Familes 19,922
Population in Group Qrtrs 784
Population Density2 994
Diversity Index3 25


Median Household Income $44,665
Average Household Income $60,034
Per Capita Income $27,106


Total Housing Units 13,454 (100%)
Owner Occupied HU 8,124 (60.4%)
Renter Occupied HU 4,173 (31.0%)
Vacant Housing Units 1,158 ( 8.6%)
Median Home Value $114,837
Average Home Value $142,529


Total Households 12,296
Average Household Size 2.18
Family Households 7,079
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 -0.25% -0.33%
Median Household Income   1.47%
Per Capita Income   2.03%

Mason City, IA - Peer Comparisons by Rank and Percentile

The table below compares Mason City to the other 1,009 incorporated cities, towns and CDPs 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 # 17 98th
Population Density # 304 70th
Diversity Index # 113 89th
Median Household Income # 854 15th
Per Capita Income # 528 48th

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: