Rank	County	2000 Hispanic Population	1990 Hispanic Population	1990-2000 Change	Percent Hispanic
1	Los Angeles County, CA	4,242,213	3,351,238	890,975	44.6
2	Miami-Dade County, Florida	1,291,737	953,422	338,315	57.3
3	Harris County, Texas	1,119,751	644,916	474,835	32.9
4	Cook County, Illinois	1,071,740	694,196	377,544	19.9
5	Orange County, California	875,579	564,843	310,736	30.8
6	Maricopa County, Arizona	763,341	345,494	417,847	24.8
7	Bexar County, Texas	757,033	589,176	167,857	54.3
8	San Diego County, California	750,965	510,785	240,180	26.7
9	San Bernardino County, California	669,387	378,576	290,811	39.2
10	Dallas County, Texas	662,729	315,631	347,098	29.9

Source: U.S. Census Bureau 2000 Redistricting Data (Public Law 94-141 Summary File, www.census.gov,
Release date: April 2, 2001.