EMBARGOED UNTIL: 12:01 A.M. EDT, JULY 21, 2000 (FRIDAY) Public Information Office CB00-118 301-457-3030/301-457-3670 (fax) 301-457-1037 (TDD) e-mail: pio@census.gov Matthew Christenson 301-457-1358 Census Bureau Releases 1999 Population Estimates for Puerto Rico's Municipios The Commerce Department's Census Bureau today released population estimates as of July 1, 1999, for Puerto Rico's 78 municipios, including percentage changes and number of births and deaths for each municipio from 1990 to 1999. The municipio of Juncos (43,591) posted the largest percentage change between 1990 and 1999, about 42 percent, followed by Canovanas (51,925) and Cidra (50,019), about 41 percent each, and Toa Alta (61,579), about 40 percent. San Juan, the island's largest municipio (439,602), grew 0.4 percent between 1990 and 1999. These estimates are consistent with the 1999 population estimate for the entire commonwealth released by the Census Bureau in December 1999. Puerto Rico's population then was estimated at 3.9 million, an increase of 10.4 percent since 1990.