The city was founded by newspaper and railroad man Alexander St. Clair-Abrams in 1880 and named for a Portuguese ancestor. The median income for a household in the city was $31,337, and the median income for a family was $36,243. Males had a median income of $28,911 versus $20,271 for females. The per capita income for the city was $19,942. About 6.6% of families and 10.3% of the population were below the poverty line, including 18.2% of those under age 18 and 6.9% of those age 65 or over.