On 31 December 2006, there were 1,754,182 people registered as living in Hamburg (up by 6.2% from 1,652,363 in 1990) in an area of 755.3 km2 (291.6 sq mi). The population density was 2,322 /km2 (6,010 /sq mi). The metropolitan area of the Hamburg region (Hamburg Metropolitan Region) is home to about 4.3 million, living on 19,000 km2 (7,300 sq mi).
There were 856,132 men and 898,050 women in Hamburg. For every 1,000 males, there were 1,049 females. In 2006, there were 16,089 births in Hamburg (of which 33.1% were to unmarried women); 6,921 marriages and 4,583 divorces. In the city, the population was spread out with 15.7% under the age of 18, and 18.8% were 65 years of age or older.
Recent estimates put the number of people with a migrant background at 30% (515.000). Immigrants come from 180 different countries, including Turkey, Poland, Russia, Afghanistan, Pakistan, Kazakhstan, Iran or Ghana.
In 1999, there were 910,304 households, of which 18.9% had children under the age of 18; 47.9% of all households were made up of singles. The average household size was 1.9.
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... There were 31 households out of which 32.3% had children under the age of 18 living with them, 45.2% were married couples living together, 16.1% had a female householder with no husband present, and 22.6% were non-families. 19.4% of all households were made up of individuals and 3.2% had someone living alone who was 65 years of age or older ...
... There were 252 households out of which 31.7% had children under the age of 18 living with them, 70.2% were married couples living together, 3.2% had a female householder with no husband present, and 22.6% were non-families. 17.1% of all households were made up of individuals and 6.3% had someone living alone who was 65 years of age or older ...