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The 2009 Columbia County, PA, population is 64,726. There are 134 people per square mile (population density).
The median age is 38.4. The US median is 37.6. 56.17% of people in Columbia County, PA, are married. 8.55% are divorced.
The average household size is 2.4 people. 20.73% of people are married, with children. 6.89% have children, but are single.
97.53% of people are white, 0.91% are black, 0.68% are asian, 0.19% are native american, and 0.89% claim 'Other'.
1.18% of the people in Columbia County, PA, claim hispanic ethnicity (meaning 98.82% are non-hispanic).
Columbia, PA People data
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