Na ngụkọta nke afọ 2000, e nwere mmadụ 563,598, ezinụlọ 181,629 na ezinụlọ 134,768 bi na mpaghara ahụ. Ọnụ ọgụgụ ndị bi na ya bụ mmadụ 403 kwa square mile (156/km2). E nwere ụlọ obibi 189,160 na nkezi ọnụ ọgụgụ nke 135 kwa square mile (52/km2). Ọdịdị agbụrụ nke mpaghara ahụ bụ 58.1% White, 6.7% Black ma ọ bụ African American, 1.1% Native American, 11.4% Asian, 0.4% Pacific Islander, 16.3% sitere na agbụrụ ndị ọzọ, na 6.1% sitere na agbụrụ abụọ ma ọ bụ karịa. 30.5% nke ndị bi na ya bụ Hispanic ma ọ bụ Latino nke agbụrụ ọ bụla. 9.3% bụ German, 5.3% Irish na 5.0% Bekee dị ka Census si kwuo 66.4% Bekee, 21.3% na-asụ Spanish, 2.2% Tagalog, 1.8% Khmer-Monmeran ma ọ bụ asụsụ Cambodian, na 1.1% Vietnamese. Ajụjụ mbụ: Kedu ụdị agbụrụ kachasị na mpaghara ahụ?
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