Columbia, Iowa
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Columbia is a city in Marion County, Iowa, United States. The population was 217 at the 2000 census.
[edit] Demographics
As of the census of 2000, there were 217 people, 82 households, and 61 families residing in the city.
The racial makeup of the city was 96.31% White, 0.00% African American, 0.00% Asian, 0.00% Pacific Islander, 0.00% from other races, and 3.69% from two or more races. 0.00% of the population were Hispanic or Latino of any race.
The average household size was 2.65 and the average family size was 3.08.
In the city the population was spread out with 26.3% under the age of 18, 10.1% from 18 to 24, 27.6% from 25 to 44, 21.2% from 45 to 64, and 14.7% who were 65 years of age or older. The median age was 36.1 years. For every 100 females there were 121.4 males. For every 100 females age 18 and over, there were 120.8 males.