Rockville City, Maryland
According to 2000 Census Bureau, there were 47388 residents, 17247 households, and 12002 families in the city. The population density was 3524.1 people per square mile (1360.66/kmē), it is the 86th most populated city in terms of population density. There were 17786 housing units at an average density of 1322.4 per square mile (510.58/kmē). The average household size was 2.65 and the average family size was 3.13. Age range in the city was well distributed with 23.4% under the age of 18, 7% from 18 to 24, 32.1% from 25 to 44, 24.4% from 45 to 64, and 13.1% who were 65 or older. For every 100 females there were 95.2 males. For every 100 females age 18 and over, there were 92.2 males. The median age was 37.8 years, The median age of males was 36.5 years, for females the median age was 39.3 years. The racial or ethnic makeup of the city was 67.78% White, 9.11% Black or African American, 0.34% American Indian, 14.83% Asian, 0.03% Native Hawaiian, 3.13% from two or more races and 4.78% Other races.
The median income for a household in the city was $68074, making it the 89th wealthiest city by median household income among the Maryland. The median income for a family in the city was $79051, making it the 79th wealthiest city by median family income among the Maryland. The per capita income for the city was $30518, making it the 68th wealthiest city by per capita income among the Maryland. The median income was $33250, Median income for males is $40643, compared with $27509 for females.
In 2000, 12109 pupils and students, of which 49.38% are male and 50.62% are female, 25.55% of the total population, are in the education system. Of which, percentage of enrollment student are in, 7.61% nursery or pri school, 5.66% kindergarten, 41.04% elementary school, 21.82% high school and 23.87% College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 47388 |
| April 2000 Estimate | 47397 |
| July 2000 Estimate | 47822 |
| July 2001 Estimate | 49567 |
| July 2002 Estimate | 52436 |
| July 2003 Estimate | 55074 |
| July 2004 Estimate | 57190 |
| July 2005 Estimate | 57603 |
| July 2006 Estimate | 59419 |
| July 2007 Estimate | 59386 |
| July 2008 Estimate | 60734 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 422 | 500 | 922 |
| Kindergarten | 333 | 352 | 685 |
| Elementary school | 2539 | 2430 | 4969 |
| High school | 1366 | 1276 | 2642 |
| College or graduate school | 1320 | 1571 | 2891 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Rockville city, Maryland | $68074 | $79051 | $30518 |
| Montgomery County, Maryland | $71551 | $84035 | $35684 |
| Maryland, United States | $52868 | $61876 | $25614 |
| United States | $41994 | $50046 | $21587 |