Clark Borough, Pennsylvania
As of the census of 2000, there were 633 people, 227 households, and 195 families living in the borough. The population density was 207.9 people per square mile (80.27/kmē), it is Pennsylvania's 79th least densely populated borough. There were 233 housing units at an average density of 76.4 per square mile (29.5/kmē). The average household size was 2.79 and the average family size was 3.02. In the borough Age distribution was 23.4% under the age of 18, 6.3% from 18 to 24, 28% from 25 to 44, 29.2% from 45 to 64, and 13.1% who were 65 or older. For every 100 males there were 108.2 females. For every 100 males age 18 and over, there were 107.3 females. The median age of the borough's population was 40.7 years, The median age of males and females living in Clark Borough was 41.5 and 39.5 years respectively. The racial or ethnic makeup of the borough was 630 White, 1 Black or African American, American Indian, Asian, Native Hawaiian, 1 from two or more races and 1 Ohter races.
The median income for a household in the borough was $53438, making it the 144th highest borough by median household income in Pennsylvania. The median income for a family in the borough was $56944, it would be the 215th highest borough by median family income in the U.S. state of Pennsylvania. The per capita income for the borough was $24892, making its Pennsylvania's 161st highest borough by per capita income. The median income of borough was $28295, Median income for males is $38194, compared with $17750 for females.
In 2000, 154 pupils and students, of which 67 are male and 87 are female, 24.33% of the total population, are in the education system. Of which, total enrollment of student are in, 10 nursery or pri school, 6 kindergarten, 68 elementary school, 32 high school and 38 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 633 |
| April 2000 Estimate | 633 |
| July 2000 Estimate | 631 |
| July 2001 Estimate | 622 |
| July 2002 Estimate | 621 |
| July 2003 Estimate | 619 |
| July 2004 Estimate | 613 |
| July 2005 Estimate | 615 |
| July 2006 Estimate | 626 |
| July 2007 Estimate | 624 |
| July 2008 Estimate | 620 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 8 | 2 | 10 |
| Kindergarten | 1 | 5 | 6 |
| Elementary school | 37 | 31 | 68 |
| High school | 13 | 19 | 32 |
| College or graduate school | 8 | 30 | 38 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Clark borough, Pennsylvania | $53438 | $56944 | $24892 |
| Mercer County, Pennsylvania | $34666 | $41776 | $17636 |
| Pennsylvania, United States | $40106 | $49184 | $20880 |
| United States | $41994 | $50046 | $21587 |