Columbia, Iowa
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Columbia is a city located in Marion County, Iowa. As of the 2000 census, the city had a total population of 217.
Demographics
As of the census of 2000, there are 217 people, 82 households, and 61 families residing in the city.
The racial makeup of the city is 96.31% White, 0.00% African American, 0.00% Native 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 are Hispanic or Latino of any race.
The average household size is 2.65 and the average family size is 3.08.
In the city the population is 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 are 65 years of age or older. The median age is 36.1 years. For every 100 females there are 121.4 males. For every 100 females age 18 and over, there are 120.8 males.