Editing Mason City, Iowa (section)

==Demographics==
{{US Census population
|align=
|1870= 1183
|1880= 2510
|1890= 4007
|1900= 6747
|1910= 11230
|1920= 20065
|1930= 23304
|1940= 27080
|1950= 27980
|1960= 30642
|1970= 30379
|1980= 30144
|1990= 29040
|2000= 29172
|2010= 28079
|2020= 27338
|footnote=Iowa Data Center<ref name="IADC">{{cite web|url=http://www.iowadatacenter.org/archive/2011/02/feb10|title=Data from the 2010 Census|publisher=State Data Center of Iowa|access-date=May 18, 2011|url-status=dead|archive-url=https://web.archive.org/web/20110718201045/http://www.iowadatacenter.org/archive/2011/02/feb10|archive-date=July 18, 2011}}</ref><ref name=cen2020/>
}}

===2020 census===
As of the [[United States census|census]] of 2020,<ref>{{cite web |title=2020 Census |url=https://www.census.gov/programs-surveys/decennial-census/decade/2020/2020-census-main.html |publisher=United States Census Bureau}}</ref> there were 27,338 people, 12,271 households, and 6,838 families residing in the city. The [[population density]] was 981.4 inhabitants per square mile (378.9/km<sup>2</sup>). There were 13,584 housing units at an average density of 487.7 per square mile (188.3/km<sup>2</sup>). The racial makeup of the city was 87.0% [[White Americans|White]], 2.9% [[African Americans|Black or African American]], 0.5% [[Native Americans in the United States|Native American]], 1.5% [[Asian Americans|Asian]], 0.5% [[Pacific Islander Americans|Pacific Islander]], 1.9% from other races and 5.7% from two or more races. [[Hispanic and Latino Americans|Hispanic or Latino]] of any race comprised 6.7% of the population.

Of the 12,271 households, 23.3% of which had children under the age of 18 living with them, 40.1% were [[Marriage|married couples]] living together, 8.0% were cohabitating couples, 30.6% had a female householder with no spouse or partner present and 21.3% had a male householder with no spouse or partner present. 44.3% of all households were non-families. 37.5% of all household were made up of individuals, 16.3% had someone living alone who was 65 years old or older.

The median age in the city was 42.7 years. 22.6% of the residents were under the age of 20; 6.3% were between the ages of 20 and 24; 23.6% were from 25 and 44; 25.3% were from 45 and 64; and 22.2% were 65 years of age or older. The gender makeup of the city was 48.3% male and 51.7% female.

===2010 census===
As of the census<ref name="wwwcensusgov">{{cite web|title=U.S. Census website|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=2012-05-11}}</ref> of 2010, there were 28,079 people, 12,366 households, and 7,210 families living in the city. The population density was {{convert|1009.7|PD/sqmi|PD/km2|1}}. There were 13,352 housing units at an average density of {{convert|480.1|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The racial makeup of the city was 93.8% [[White (U.S. Census)|White]], 1.8% [[African American (U.S. Census)|African American]], 0.3% [[Native American (U.S. Census)|Native American]], 0.9% [[Asian (U.S. Census)|Asian]], 1.3% from [[Race (U.S. Census)|other races]], and 1.9% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 5.1% of the population.

There were 12,366 households, of which 26.8% had children under the age of 18 living with them, 43.2% were married couples living together, 10.8% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 41.7% were non-families. Of all households, 35.0% were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.83.

The median age in the city was 40.9 years. 21.9% of residents were under the age of 18; 9.7% were between the ages of 18 and 24; 23.1% were from 25 to 44; 28.2% were from 45 to 64, and 17.1% were 65 years of age or older. The gender makeup of the city was 48.2% male and 51.8% female.

===2000 census===
As of the [[census]]<ref name="GR2">{{cite web|url=https://www.census.gov |publisher=[[United States Census Bureau]] |access-date=2008-01-31 |title=U.S. Census website }}</ref> of 2000, there were 29,172 people, 12,368 households, and 7,507 families living in the city. The population density was {{convert|1,131.3|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 13,029 housing units at an average density of {{convert|505.3|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The racial makeup of the city was 95.40% [[White (U.S. Census)|White]], 1.17% [[African American (U.S. Census)|African American]], 0.18% [[Native American (U.S. Census)|Native American]], 0.77% [[Asian (U.S. Census)|Asian]], 0.01% [[Pacific Islander (U.S. Census)|Pacific Islander]], 1.07% from [[Race (United States Census)|other races]], and 1.40% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 3.45% of the population.

There were 12,368 households, out of which 28.4% had children under the age of 18 living with them, 47.4% were [[Marriage|married couples]] living together, 10.3% had a female householder with no husband present, and 39.3% were non-families. Of all households, 33.5% were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.90.

In the city the population was spread out, with 23.6% under the age of 18, 10.2% from 18 to 24, 26.7% from 25 to 44, 21.7% from 45 to 64, and 17.9% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 90.0 males. For every 100 females age 18 and over, there were 85.8 males.

The [[median income]] for a household in the city was $33,852, and the median income for a family was $45,160. Males had a median income of $32,451 versus $21,756 for females. The [[per capita income]] for the city was $18,899. About 7.2% of families and 10.0% of the population were below the [[poverty line]], including 10.9% of those under age 18 and 10.1% of those age 65 or over.
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