The history of the Hispanics and Latinos in Baltimore dates back to the mid-20th century. The Hispanic and Latino community of Baltimore is the fastest growing ethnic group in the city. There is a significant Hispanic/Latino presence in many Southeast Baltimore neighborhoods, particularly Highlandtown, Upper Fell's Point, and Greektown. Overall Baltimore has a small but growing Hispanic population, primarily in the Southeast portion of the area from Fells Point to Dundalk.
In 1920, 322 foreign-born White people in Baltimore spoke the Spanish language.
In the 1930 United States Census, there were fewer than 1,000 foreign-born Latinos in Baltimore.
As of the 2000 Census, the Spanish language was spoken at home by 17,805 people in Baltimore. This made Spanish the city's second most spoken language at home. In the same year, 10,193 Latin American-born immigrants lived in Baltimore, comprising 34.4% of all foreign-born residents of the city. This made Latin America the largest region of origin for immigrants.
The 2010 Census found that the Latino population had increased by 9.7% over the past decade. In 2000 Latinos constituted 1.7% of the population and by 2009 Latinos had increased to 3% of the population. As of 2010, Latinos are 4.2% of Baltimore. At 123,029 Latinos as of 2010, Baltimore has the 56th largest Latino metropolitan population in the United States.
As of September 2014, the Spanish language (including Spanish Creole) is the most commonly spoken language in Baltimore after English. Additionally, 19,708 Latin Americans immigrants lived in Baltimore, making Latin America the largest region of origin for immigrants.
Mexican Americans are the largest Latino group in the city. Mexicans make up slightly over a quarter (26%) of Baltimore's Hispanic population, forming a slight plurality over other Hispanics. There are also sizable populations of Puerto Ricans, Salvadorans, Hondurans, Guatemalans, and Dominicans.