Editing Greenville, Iowa (section)

==Demographics==
{{US Census population
|1920= 167
|1930= 168
|1940= 169
|1950= 173
|1960= 173
|1970= 117
|1980= 122
|1990= 84
|2000= 93
|2010= 75
|2020= 71
|footnote=U.S. Decennial Census<ref>{{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/>
}}
[[File:GreenvilleIowaPopPlot.png|thumb|alt=The population of Greenville, Iowa from US census data|The population of Greenville, 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 71 people, 18 households, and 10 families residing in the city. The [[population density]] was 428.2 inhabitants per square mile (165.3/km<sup>2</sup>). There were 32 housing units at an average density of 193.0 per square mile (74.5/km<sup>2</sup>). The [[Race and ethnicity in the United States census|racial]] makeup of the city was 95.8% [[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]], 0.0% from other races and 4.2% from two or more races. [[Hispanic and Latino Americans|Hispanic or Latino]] persons of any race comprised 0.0% of the population.

Of the 18 households, 33.3% of which had children under the age of 18 living with them, 44.4% were [[Marriage|married couples]] living together, 5.6% were cohabitating couples, 22.2% had a female householder with no spouse or partner present and 27.8% had a male householder with no spouse or partner present. 44.4% of all households were non-families. 44.4% of all households were made up of individuals, 5.6% had someone living alone who was 65 years old or older.

The median age in the city was 30.5 years. 33.8% of the residents were under the age of 20; 4.2% were between the ages of 20 and 24; 25.4% were from 25 and 44; 18.3% were from 45 and 64; and 18.3% were 65 years of age or older. The gender makeup of the city was 50.7% male and 49.3% 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]]|accessdate=2012-05-11}}</ref> of 2010, there were 75 people, 30 households, and 18 families residing in the city. The [[population density]] was {{convert|416.7|PD/sqmi|PD/km2|1}}. There were 34 housing units at an average density of {{convert|188.9|/sqmi|/km2|1}}. The racial makeup of the city was 96.0% [[White (U.S. Census)|White]] and 4.0% [[Native American (U.S. Census)|Native American]]. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 2.7% of the population.

There were 30 households, of which 30.0% had children under the age of 18 living with them, 56.7% were [[Marriage|married couples]] living together, 3.3% had a female householder with no husband present, and 40.0% were non-families. 30.0% of all households were made up of individuals, and 16.7% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.17.

The median age in the city was 36.8 years. 24% of residents were under the age of 18; 9.3% were between the ages of 18 and 24; 26.6% were from 25 to 44; 29.3% were from 45 to 64; and 10.7% were 65 years of age or older. The gender makeup of the city was 49.3% male and 50.7% female.

===2000 census===
As of the [[census]]<ref>{{cite web|url=https://www.census.gov |publisher=[[United States Census Bureau]] |accessdate=2008-01-31 |title=U.S. Census website }}</ref> of 2000, there were 93 people, 34 households, and 24 families residing in the city. The [[population density]] was {{pop density|93|0.2|sqmi|km2}}. There were 37 housing units at a density of {{pop density|37|0.2|sqmi|km2}}. The racial makeup of the city was 100.00% [[White (U.S. Census)|White]].

There were 34 households, out of which 38.2% had children under the age of 18 living with them, 70.6% were [[Marriage|married couples]] living together, 2.9% had a female householder with no husband present, and 26.5% were non-families. 23.5% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.20.

In the city, the population was spread out, with 31.2% under the age of 18, 5.4% from 18 to 24, 26.9% from 25 to 44, 26.9% from 45 to 64, and 9.7% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 102.2 males. For every 100 females age 18 and over, there were 93.9 males.

The median income for a household in the city was $29,531, and the median income for a family was $37,500. Males had a median income of $34,063 versus $21,250 for females. The [[per capita income]] for the city was $22,217. There were 18.8% of families and 19.2% of the population living below the [[poverty line]], including 23.8% of under eighteens and none of those over 64.

===Notable people===
* [[Merlyn Hans Dethlefsen]], [[Medal of Honor]] recipient Colonel [[United States Air Force|USAF]], was born in Greenville.<ref>[http://www.medalofhonor.com/MerlynDethlefsen.htm Medal of Honor Database]</ref><ref>[http://www.arlingtoncemetery.net/mhdethle.htm Arlington National Cemetery Database]</ref>
*[[Nathan E. Kendall]], [[List of governors of Iowa|23rd Governor of Iowa]], was born in Greenville.