Rocklin City, California
According to 2000 Census Bureau, there were 36330 residents, 13258 households, and 10016 families in the city. The population density was 2246.2 people per square mile (867.26/kmē), it is the 504th most populated city in terms of population density. There were 14421 housing units at an average density of 891.8 per square mile (344.33/kmē). It has an average household size was 2.74 persons, and the average family size was 3.15 persons. In the city Age distribution was 30% under the age of 18, 7% from 18 to 24, 33.7% from 25 to 44, 20.8% from 45 to 64, and 8.6% who were 65 or older. For every 100 females there were 95.6 males. For every 100 females age 18 and over, there were 92.6 males. The median age is 34.5 years, The median age of males was 33.9 years, for females the median age was 35.1 years. The racial makeup of the city was 32086 White, 330 Black or African American, 291 American Indian, 1510 Asian, 70 Native Hawaiian, 1342 from two or more races and 701 Ohter races.
The median income for a household in the city was $64737, making it the 189th wealthiest city by median household income among the California. The median income for a family in the city was $72245, it is the 205th wealthiest city in terms of median family income. The per capita income for the city was $26910, it would be the 271st highest city by per capita income in the U.S. state of California. The median income was $35164, Males have a median income of $45048 versus $25978 for females.
In 2000, 11711 pupils and students, of which 51.58% are male and 48.42% are female, 32.24% of the total population, are in the education system. Of which, percentage of enrollment student are in, 6.71% nursery or pri school, 5.46% kindergarten, 44.27% elementary school, 20.46% high school and 23.1% College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 36330 |
| April 2000 Estimate | 36486 |
| July 2000 Estimate | 37267 |
| July 2001 Estimate | 40241 |
| July 2002 Estimate | 43232 |
| July 2003 Estimate | 46861 |
| July 2004 Estimate | 48010 |
| July 2005 Estimate | 49297 |
| July 2006 Estimate | 49764 |
| July 2007 Estimate | 51522 |
| July 2008 Estimate | 52811 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 402 | 384 | 786 |
| Kindergarten | 353 | 286 | 639 |
| Elementary school | 2710 | 2475 | 5185 |
| High school | 1276 | 1120 | 2396 |
| College or graduate school | 1299 | 1406 | 2705 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Rocklin city, California | $64737 | $72245 | $26910 |
| Placer County, California | $57535 | $65858 | $27963 |
| California, United States | $47493 | $53025 | $22711 |
| United States | $41994 | $50046 | $21587 |