Pau was the capital of the former province of Béarn[?].
It was the birthplace of Henry IV of France (1553-1610) and of Charles XIV of Sweden (1763 - 1844).
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... The average household size is 2.57 and the average family size is 3.08. In the town the population is spread out with 22.3% under the age of 18, 6.3% from 18 to 24, 31.0% ...