Marin County, California
According to 2000 Census Bureau, there were 247289 residents, 100650 households, and 60679 families in the county. The population density was 475.7 people per square mile (183.67/kmē), making its California's 12th most densely populated county. There were 104990 housing units at an average density of 202 per square mile (77.99/kmē). It has an average household size was 2.34 persons, and the average family size was 2.9 persons. Age range in the county was well distributed with 20.3% under the age of 18, 5.5% from 18 to 24, 31% from 25 to 44, 29.7% from 45 to 64, and 13.5% who were 65 or older. For every 100 females there were 98.2 males. For every 100 females age 18 and over, there were 96.4 males. As of July 2008, the estimated population was 248794, The racial makeup of the county was 87.97% White, 3.1% Black or African American, 0.58% American Indian, 5.56% Asian, 0.2% Native Hawaiian, and 2.59% from two or more races.
The median income for a household in the county was $71306, making its California's second highest county by median household income. The median income for a family in the county was $88934, making it the wealthiest county by median family income among the California. The per capita income for the county was $44962, making it the wealthiest county by per capita income among the California.
In 2000, 57014 pupils and students, of which 49.61% are male and 50.39% are female, 23.06% of the total population, are in the education system. Of which, percentage of enrollment student are in, 8.41% nursery or pri school, 4.75% kindergarten, 41.18% elementary school, 20.2% high school and 25.46% 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 | Belvedere City | Marin County | 2.42 | 0.54 | 1.89 | 2125 | 3968.9 | 113595 | 130796 |
| 2 | Black Point-green Point Cdp | Marin County | 1.85 | 1.84 | 0 | 1143 | 619.5 | 52372 | 92729 |
| 3 | Bolinas Cdp | Marin County | 1.38 | 1.38 | 0 | 1246 | 900.6 | 28973 | 53188 |
| 4 | Corte Madera Town | Marin County | 4.41 | 3.17 | 1.24 | 9100 | 2873.3 | 46326 | 79839 |
| 5 | Dillon Beach Cdp | Marin County | 2.97 | 2.97 | 0 | 319 | 107.4 | 39475 | 47679 |
| 6 | Fairfax Town | Marin County | 2.13 | 2.13 | 0 | 7319 | 3441.2 | 34080 | 58465 |
| 7 | Inverness Cdp | Marin County | 6.41 | 5.97 | 0.44 | 1421 | 237.9 | 37340 | 47500 |
| 8 | Kentfield Cdp | Marin County | 3 | 3 | 0.01 | 6351 | 2119.5 | 79459 | 117457 |
| 9 | Lagunitas-forest Knolls Cdp | Marin County | 4.26 | 4.26 | 0 | 1835 | 430.5 | 31504 | 55917 |
| 10 | Larkspur City | Marin County | 3.27 | 3.13 | 0.13 | 12014 | 3833.7 | 56983 | 66710 |
| 11 | Lucas Valley-marinwood Cdp | Marin County | 5.6 | 5.6 | 0 | 6357 | 1134.3 | 38423 | 85444 |
| 12 | Mill Valley City | Marin County | 4.83 | 4.72 | 0.11 | 13600 | 2883.1 | 64179 | 90794 |
| 13 | Muir Beach Cdp | Marin County | 0.49 | 0.49 | 0 | 295 | 596.8 | 66476 | 125402 |
| 14 | Novato City | Marin County | 28.26 | 27.7 | 0.55 | 47630 | 1719.2 | 32402 | 63453 |
| 15 | Point Reyes Station Cdp | Marin County | 3.63 | 3.63 | 0 | 818 | 225.1 | 39339 | 57292 |
| 16 | Ross Town | Marin County | 1.59 | 1.59 | 0 | 2329 | 1461.5 | 51150 | 102015 |
| 17 | San Anselmo Town | Marin County | 2.75 | 2.75 | 0 | 12378 | 4506.5 | 41977 | 71488 |
| 18 | San Geronimo Cdp | Marin County | 1.52 | 1.52 | 0 | 436 | 287.4 | 31960 | 58542 |
| 19 | San Rafael City | Marin County | 22.43 | 16.59 | 5.84 | 56063 | 3378.9 | 35762 | 60994 |
| 20 | Santa Venetia Cdp | Marin County | 3.77 | 3.76 | 0.01 | 4298 | 1143 | 34732 | 75600 |
| 21 | Sausalito City | Marin County | 2.24 | 1.9 | 0.34 | 7330 | 3852.9 | 81040 | 87469 |
| 22 | Stinson Beach Cdp | Marin County | 1.07 | 1.06 | 0.02 | 751 | 711.7 | 62452 | 87679 |
| 23 | Strawberry Cdp | Marin County | 1.37 | 1.36 | 0.02 | 5302 | 3901.7 | 50581 | 70432 |
| 24 | Tamalpais-homestead Valley Cdp | Marin County | 4.99 | 4.98 | 0.01 | 10691 | 2145.8 | 56913 | 102094 |
| 25 | Tiburon Town | Marin County | 13.21 | 4.53 | 8.68 | 8666 | 1914.9 | 85966 | 106611 |
| 26 | Tomales Cdp | Marin County | 0.31 | 0.31 | 0 | 210 | 669.5 | 26609 | 51953 |
| 27 | Woodacre Cdp | Marin County | 1.82 | 1.82 | 0 | 1393 | 763.6 | 31996 | 62917 |
| Year | Population |
|---|---|
| April 2000 census | 247289 |
| April 2000 Estimate | 247289 |
| July 2000 Estimate | 247597 |
| July 2001 Estimate | 248032 |
| July 2002 Estimate | 246483 |
| July 2003 Estimate | 245281 |
| July 2004 Estimate | 244036 |
| July 2005 Estimate | 244520 |
| July 2006 Estimate | 245228 |
| July 2007 Estimate | 246932 |
| July 2008 Estimate | 248794 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 2619 | 2178 | 4797 |
| Kindergarten | 1288 | 1421 | 2709 |
| Elementary school | 12258 | 11219 | 23477 |
| High school | 5887 | 5631 | 11518 |
| College or graduate school | 6235 | 8278 | 14513 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Marin County, California | $71306 | $88934 | $44962 |
| California, United States | $47493 | $53025 | $22711 |
| United States | $41994 | $50046 | $21587 |