Mason City demographics profile

StatisticMason CityIllinoisNational
Population density (sq mi)2,24222291
Median age44.937.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)60%55%55%
Families w/ Kids under 1850%44%43%
Speak English100%77%79%
Speak Spanish0%13%13%
Mason City, IL has a population of 2,272 and is the 10,333rd largest city in the United States. The population density is 2,242 per sq mi which is 908% higher than the Illinois average and 2374% higher than the national average. The median age in Mason City is 45 which is approximately 20% higher than the Illinois average of 37. In Mason City, 60% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 85% of Mason City residents were born in Illinois, 14% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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Did you know?

  • The population density in Mason City is 908% higher than Illinois.
  • The median age in Mason City is 20% higher than Illinois.
  • In Mason City 96.92% of the population is White.
  • In Mason City 1.54% of the population is Black or African American.
  • In Mason City 0.53% of the population is Asian.

Compare Mason City, IL Demographics To Other Cities

Mason City population breakdown by race

RaceMason CityIllinoisNational
Black or African American1.54%14.30%12.63%
American Indian0.00%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race1.01%2.34%3.06%
Other race0.00%5.86%4.75%
In Mason City, 0.5% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Mason City age breakdown

Marital status

Age of children in married couples

Source: The Mason City, IL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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