2000 At the 2000 census there were 19,388 people, 6,474 households, and 5,587 families in the CDP. The population density was . There were 6,626 housing units at an average density of . The racial makeup of the CDP was 91.40% White, 0.68% Black or African American, 0.58% Native American, 3.53% Asian, 0.08% Pacific Islander, 1.09% from other races, and 2.65% from two or more races. 4.69% of the population were Hispanic or Latino of any race. Of the 6,474 households 45.1% had children under the age of 18 living with them, 77.0% were married couples living together, 6.3% had a female householder with no husband present, and 13.7% were non-families. 10.6% of households were one person and 3.5% were one person aged 65 or older. The average household size was 3.09 and the average family size was 2.91 The age distribution was 30.8% under the age of 18, 4.7% from 18 to 24, 24.8% from 25 to 44, 30.6% from 45 to 64, and 9.2% 65 or older. The median age was 40 years. For every 100 females, there were 100.2 males. For every 100 females age 18 and over, there were 96.7 males.
2000 aT THe 2000 census theRe were 19,388 peOPLe, 6,474 HouSEholDS, and 5,587 familiES In The Cdp. tHe PopuLatIon dEnsItY Was . THeRe wEre 6,626 hoUSing units at an aveRage deNSITY oF . the raCial MaKEUp Of tHE cdp waS 91.40% white, 0.68% BlAck oR AfricaN aMerIcaN, 0.58% nAtivE AmeRicAn, 3.53% aSian, 0.08% PaCific islander, 1.09% From otheR Races, and 2.65% from tWO or more rAces. 4.69% of the poPulation Were HispANiC or LATInO Of Any racE. of thE 6,474 HoUsehOldS 45.1% haD chIlDren under thE aGe OF 18 living witH tHeM, 77.0% werE MaRrIEd coupLes LIvinG togethER, 6.3% hAD a femAlE hOusehoLdEr wIth NO huSBand preSEnT, AND 13.7% weRe non-FAmilies. 10.6% of hoUSehoLDs Were one PerSon anD 3.5% wEre one peRson AgEd 65 or oLdeR. tHe aVeRAge hoUsEhold sIzE WAs 3.09 AnD the average family siZe waS 2.91 THe AgE DIstributiON wAS 30.8% under tHE aGe Of 18, 4.7% frOm 18 tO 24, 24.8% from 25 To 44, 30.6% From 45 to 64, And 9.2% 65 or older. ThE mEdian aGe was 40 yEarS. for every 100 FeMalEs, therE weRe 100.2 malEs. FOR every 100 fEmales Age 18 and over, tHere were 96.7 MALes.