Knox County, Maine
As of the census of 2000, there were 39618 people in the county, organized into 16608 households, and 10728 families living in the county. The population density was 108.3 people per square mile (41.81/kmē), it is the sixth most populated county in terms of population density. There were 21612 housing units at an average density of 59.1 per square mile (22.82/kmē). The average household size was 2.31 people, and the average family size was 2.83 people. In the county Age distribution was 22.4% under the age of 18, 6.3% from 18 to 24, 27.4% from 25 to 44, 26.7% from 45 to 64, and 17.2% who were 65 or older. For every 100 males there were 105 females. For every 100 males age 18 and over, there were 107.5 females. In July 2008, its estimated population was 40686, The racial or ethnic makeup of the county was 39852 White, 167 Black or African American, 116 American Indian, 196 Asian, 6 Native Hawaiian, and 349 from two or more races.
The median income for a household in the county was $36774, it is the fifth wealthiest county in terms of median household income. The median income for a family in the county was $43819, it would be the sixth highest county by median family income in the U.S. state of Maine. The per capita income for the county was $19981, making it the fifth highest county by per capita income in Maine.
In 2000, 8546 pupils and students, of which 50.09% are male and 49.91% are female, 21.57% of the total population, are in the education system. Of which, percentage of enrollment student are in, 5.76% nursery or pri school, 6.63% kindergarten, 49.63% elementary school, 24.57% high school and 13.41% College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Camden Cdp | Knox County | 3.78 | 3.78 | 0 | 3934 | 1041.1 | 25880 | 39891 |
| 2 | Rockland City | Knox County | 15.1 | 12.91 | 2.19 | 7609 | 589.2 | 16659 | 30209 |
| 3 | Thomaston Cdp | Knox County | 2.02 | 1.97 | 0.05 | 2714 | 1379 | 16564 | 30549 |
| Year | Population |
|---|---|
| April 2000 census | 39618 |
| April 2000 Estimate | 39618 |
| July 2000 Estimate | 39684 |
| July 2001 Estimate | 39964 |
| July 2002 Estimate | 40432 |
| July 2003 Estimate | 40642 |
| July 2004 Estimate | 40837 |
| July 2005 Estimate | 40962 |
| July 2006 Estimate | 40805 |
| July 2007 Estimate | 40723 |
| July 2008 Estimate | 40686 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 240 | 252 | 492 |
| Kindergarten | 325 | 242 | 567 |
| Elementary school | 2152 | 2089 | 4241 |
| High school | 1152 | 948 | 2100 |
| College or graduate school | 412 | 734 | 1146 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Knox County, Maine | $36774 | $43819 | $19981 |
| Maine, United States | $37240 | $45179 | $19533 |
| United States | $41994 | $50046 | $21587 |