Columbia Cdp, Maryland
As of the census of 2000, there were 88254 people in the census designated place, organized into 34199 households, and 23126 families living in the census designated place. The population density was 3202 people per square mile (1236.3/kmē), it is 94th most densely populated census designated place in Maryland. There were 35281 housing units at an average density of 1280.2 per square mile (494.29/kmē). The average household size was 2.54 people, and the average family size was 3.09 people. In the census designated place the population is diverse age-wise, with 26.3% under the age of 18, 6.7% from 18 to 24, 34.1% from 25 to 44, 25.5% from 45 to 64, and 7.5% who were 65 or older. For every 100 females there were 93.1 males. For every 100 females age 18 and over, there were 88.7 males. The median age of the census designated place's population was 35.5 years, the median age of male residents at 34.4 and the median age of female residents at 36.6. The racial makeup of the census designated place was 58708 White, 18949 Black or African American, 232 American Indian, 6440 Asian, 46 Native Hawaiian, 2437 from two or more races and 1442 Ohter races.
The median income for a household in the census designated place was $71524, it is the 78th wealthiest census designated place in terms of median household income. The median income for a family in the census designated place was $83753, making it the 59th highest census designated place by median family income in Maryland. The per capita income for the census designated place was $32833, it is the 54th wealthiest census designated place in terms of per capita income. The median income of census designated place was $38439, The median income for males was $49494, compared to $31156 for females.
In 2000, 26085 pupils and students, of which 12553 are male and 13532 are female, 29.56% of the total population, are in the education system. Of which, total enrollment of student are in, 1818 nursery or pri school, 1363 kindergarten, 10907 elementary school, 5181 high school and 6816 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 11331 |
| April 2000 Estimate | 11404 |
| July 2000 Estimate | 11400 |
| July 2001 Estimate | 11346 |
| July 2002 Estimate | 11361 |
| July 2003 Estimate | 11435 |
| July 2004 Estimate | 11548 |
| July 2005 Estimate | 11794 |
| July 2006 Estimate | 12387 |
| July 2007 Estimate | 12831 |
| July 2008 Estimate | 13085 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 875 | 943 | 1818 |
| Kindergarten | 724 | 639 | 1363 |
| Elementary school | 5649 | 5258 | 10907 |
| High school | 2425 | 2756 | 5181 |
| College or graduate school | 2880 | 3936 | 6816 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Columbia CDP, Maryland | $71524 | $83753 | $32833 |
| Howard County, Maryland | $74167 | $85422 | $32402 |
| Maryland, United States | $52868 | $61876 | $25614 |
| United States | $41994 | $50046 | $21587 |