Editing Cotter, Iowa (section)

==Demographics==
{{Historical populations
|title= Historical populations
|type= USA
|align= left
|1920|100
|1930|118
|1940|72
|1950|49
|1960|52
|1970|55
|1980|60
|1990|53
|2000|48
|2010|48
|2020|39
|source={{center|U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=Census of Population and Housing|publisher=Census.gov|accessdate=June 4, 2015}}</ref><ref name=cen2020/>}}|footnote=Source:{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|title=U.S. Census website|access-date=2020-03-29}} and [http://data.iowadatacenter.org/datatables/PlacesAll/plpopulation18502000.pdf Iowa Data Center]
}}
[[File:CotterIowaPopPlot.png|thumb|left|upright=1.25|alt=The population of Cotter, Iowa from US census data|The population of Cotter, Iowa from US census data]]

===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 39 people, 14 households, and 10 families residing in the city. The [[population density]] was 398.2 inhabitants per square mile (153.8/km<sup>2</sup>). There were 18 housing units at an average density of 183.8 per square mile (71.0/km<sup>2</sup>). The [[Race and ethnicity in the United States census|racial]] makeup of the city was 74.4% [[White Americans|White]], 0.0% [[African Americans|Black or African American]], 0.0% [[Native Americans in the United States|Native American]], 0.0% [[Asian Americans|Asian]], 0.0% [[Pacific Islander Americans|Pacific Islander]], 7.7% from other races and 17.9% from two or more races. [[Hispanic and Latino Americans|Hispanic or Latino]] persons of any race comprised 30.8% of the population.

Of the 14 households, 57.1% of which had children under the age of 18 living with them, 42.9% were [[Marriage|married couples]] living together, 14.3% were cohabitating couples, 28.6% had a female householder with no spouse or partner present and 14.3% had a male householder with no spouse or partner present. 28.6% of all households were non-families. 28.6% of all households were made up of individuals, 7.1% had someone living alone who was 65 years old or older.

The median age in the city was 30.5 years. 35.9% of the residents were under the age of 20; 10.3% were between the ages of 20 and 24; 17.9% were from 25 and 44; 23.1% were from 45 and 64; and 12.8% were 65 years of age or older. The gender makeup of the city was 43.6% male and 56.4% female.

===2010 census===
At the [[2010 United States Census|2010 census]] there were 48 people in 19 households, including 14 families, in the city. The population density was {{convert|192.0|PD/sqmi|PD/km2|1}}. There were 24 housing units at an average density of {{convert|96.0|/sqmi|/km2|1}}. The [[Race and ethnicity in the United States Census#2010 census|racial makup]] of the city was 100.0% White. Hispanic or Latino of any race were 29.2%.<ref name ="wwwcensusgov">{{cite web|title=U.S. Census website|url=https://www.census.gov|publisher=[[United States Census Bureau]]|accessdate=2012-05-11}}</ref>

Of the 19 households 21.1% had children under the age of 18 living with them, 63.2% were married couples living together, 5.3% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 26.3% were non-families. 26.3% of households were one person and 5.3% were one person aged 65 or older. The average household size was 2.53 and the average family size was 2.86.

The median age was 44.5 years. 27.1% of residents were under the age of 18; 2.2% were between the ages of 18 and 24; 23% were from 25 to 44; 39.6% were from 45 to 64; and 8.3% were 65 or older. The gender makeup of the city was 33.3% male and 66.7% female.

===2000 census===
At the [[2000 United States Census|2000 census]] there were 48 people in 19 households, including 14 families, in the city. The population density was {{convert|205.3|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 19 housing units at an average density of {{convert|81.2|/sqmi|/km2|sp=us|adj=off}}.  The [[Race and ethnicity in the United States Census#2000 census|racial makup]] of the city was 85.42% White, 4.17% African American, 10.42% from other races. Hispanic or Latino of any race were 14.58%.<ref name="GR2">{{cite web |url=https://www.census.gov |publisher=[[United States Census Bureau]] |accessdate=2008-01-31 |title=U.S. Census website }}</ref>

Of the 19 households 31.6% had children under the age of 18 living with them, 63.2% were married couples living together, 10.5% had a female householder with no husband present, and 26.3% were non-families. 10.5% of households were one person and none had someone living alone who was 65 or older. The average household size was 2.53 and the average family size was 2.79.

The age distribution was 25.0% under the age of 18, 8.3% from 18 to 24, 29.2% from 25 to 44, 31.3% from 45 to 64, and 6.3% 65 or older. The median age was 35 years. For every 100 females, there were 166.7 males. For every 100 females age 18 and over, there were 125.0 males.

The median household income was $41,250 and the median family income  was $26,250. Males had a median income of $34,375 versus $18,750 for females. The per capita income for the city was $13,879. There were 11.1% of families and 18.9% of the population living below the [[poverty line]], including 37.5% of under eighteens and none of those over 64.