Mason City, IA Population

Overview

27,385

Total Population

42.5

Median age

51.19%

Female population %

95.4:100

Gender ratio (M:F)

60-64 years

Largest age group

62.1

Total dependency ratio

White

Largest racial group

1,68

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Mason City's population is old compared to the rest of the country:

The median age in Mason City is 42.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Mason City's population under 18 was 20.67%, compared to the 22.51% nationwide.
Mason City's elderly or the senior population (over 65 age) was 20.83% as compared to 16.04% nationwide.
Of the total population in Mason City, 17.49% were under the age of 15, 17.82% aged 15 to 29, 43.86% aged 30 to 64, 17.55% aged 65 to 84, and 3.27% were 85 years of age and older.

There are 651 more females than males in Mason City:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.19% females and 48.81% males in Mason City, IA.
The Mason City, IA gender ratio is 95.4:100 i.e. 95.4 men to 100 women (0.954).
For male population, the largest age group is 10-14 years with a population of 1,063.
For the female population, the largest age group is 60-64 years with a population of 1,223.

Mason City's population has become increasingly diverse:

Racial distribution of Mason City population: 90.77% are White, 3.05% are Black or African American, 0.43% are American Indian and Alaska Native, 0.78% are Asian, 0.30% are Native Hawaiian and other Pacific Islander, 0.46% are some other race and 4.20% are multiracial.
Mason City's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 1,68 is Hispanic or Latino (of any race), and 25,705 (93.87% of the total population) is Non-Hispanic.
The largest racial group in Mason City is White with a population of 24,857 (90.77% of the total population).

Mason City's population has already reached its peak and is showing a trend of decline:

The peak population was 29,161 in the year 2000
From 2000 to 2010, Mason City's population decreased by 1,119 (3.84%), as compared to the national growth of 9.63%.
From 2010 to 2020, Mason City's population decreased by 775 (2.76%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Mason City's population was lowest in year 2022 at 26,924.