] The census indicated that 70.9% spoke English , 12.1% Spanish , 1.0% Lahu , 0.8% Mien , 0.7% Hmong , 0.6% Laotian and 0.5% Tagalog as their first language . [ 51 ] According to the census, 41.1% of households had children under 18, 54.9% were married couples , 14.9%