As of the census of 2000, there were 94,304 people, 33,675 households, and 22,764 families residing in the city. The population density was 4,392.8 people per square mile (1,695.9/km2). There were 34,837 housing units at an average density of 1,622.8/mi2 (626.5/km2). The racial makeup of the city was 61.49% White, 17.83% African American, 0.36% Native American, 2.19% Asian, 0.04% Pacific Islander, 10.32% from other races, and 7.78% from two or more races. Hispanic or Latino of any race were 8.01% of the population.

Brockton has experienced dramatic demographic change in the past six years. Its population continues to boom, as does the rest of Southeastern Massachusetts, which is Massachusetts's fasting growing region. The African-American population in Brockton has nearly doubled in the last six years.

2006 estimates state Brockton's demographics as: 49.8% White, 32.7% African American, 0.2% Native American, 2.9% Asian, 0% Pacific Islander, 10.3% from other races, 4.1% from two or more races. Hispanic or Latino of any race were 10.0% of the population. Brockton has the largest population of Cape Verdean ancestry in the United States, with 9.0% of its population reporting this ancestry. 

As of 2000, there were 33,675 households out of which 35.0% had children under the age of 18 living with them, 42.0% were married couples living together, 19.9% had a female householder with no husband present, and 32.4% were non-families. 26.6% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.35.

In the city the population was spread out with 27.8% under the age of 18, 9.1% from 18 to 24, 30.5% from 25 to 44, 20.8% from 45 to 64, and 11.7% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 92.1 males. For every 100 females age 18 and over, there were 87.4 males.

The median income for a household in the city was $39,507, and the median income for a family was $46,235. Males had a median income of $34,255 versus $26,886 for females. The per capita income for the city was $17,163. About 12.1% of families and 14.5% of the population were below the poverty line, including 19.4% of those under age 18 and 12.6% of those age 65 or over.

Statistically, Brockton is the most populous and most densely populated community in Plymouth County. It is the sixth largest community in the commonwealth, the largest of the sub-100,000 person cities. However, it is only the twenty-seventh most densely populated community in the Commonwealth.


 
Source: Wikipedia.org