Percent of occupied units.......................... 0.3 Other race............................................ 381 Hispanic origin (of any race)......................... 1,880 Percent of occupied units.......................... 0.4 1990 Census of Population and Housing Page 1 *** Maryland Total population...................................... 4,781,468 SEX Male..................................................... 2,318,671 Female................................................... 2,462,797 AGE Under 5 years............................................ 357,818 5 to 17 years............................................ 804,423 18 to 20 years........................................... 208,411 21 to 24 years........................................... 296,962 25 to 44 years........................................... 1,677,104 45 to 54 years........................................... 521,801 55 to 59 years........................................... 202,170 60 to 64 years........................................... 195,297 65 to 74 years........................................... 314,491 75 to 84 years........................................... 156,495 85 years and over........................................ 46,496 Median age............................................... 33.0 Under 18 years.............................................. 1,162,241 Percent of total population.............................. 24.3 65 years and over........................................... 517,482 Percent of total population.............................. 10.8 HOUSEHOLDS BY TYPE Total households............................................ 1,748,991 Family households (families)............................. 1,245,814 Married-couple families............................... 948,563 Percent of total households........................ 54.2 Other family, male householder........................ 65,362 Other family, female householder...................... 231,889 Nonfamily households..................................... 503,177 Percent of total households........................ 28.8 Householder living alone.............................. 394,572 Householder 65 years and over...................... 135,318 Persons living in households............................. 4,667,612 Persons per household.................................... 2.67 GROUP QUARTERS Persons living in group quarters......................... 113,856 Institutionalized persons............................. 62,760 Other persons in group quarters....................... 51,096 RACE AND HISPANIC ORIGIN White.................................................... 3,393,964