Table 5- Area and Population Density

County	Population		% Change	Area	Population Density
	1990	2000	1990-2000	(sq. miles)	(per sq. mile)
Cameron	260,120	335,227	28.90%	1,276.42	262.6
Hidalgo	383,545	569,463	48.47%	1,582.78	359.8
Starr	40,518	53,597	32.3%	1,223.02	43.82
Willacy	17,705	20,082	13.40%	784.27	25.6
Total for RGV	701,888	978,369	39.4%	4,866.49	201.0

Source: 1990 and 2000 Census of Population and Housing, U.S. Bureau of the Census, Washington, DC

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