The Black Population of Cambridge by Census Year, 1790 – 2020

George Washington Lewis Jr. family at 47 Parker
Street. Photo ca. 1900. The Lewis Family, a large extended family, were a well known African American family who first established roots in Cambridge in the early 19th Century.
Census Year Total PopulationNumber of Black ResidentsPercent of Population
17902,115602.8%
18002,453251.0%
18102,32339*1.7%
18203,295531.6%
18306,072791.3%
18408,409770.9%
185015,215140**0.9%
186026,0603541.3%
187039,6348222.1%
188052,6691,5042.9%
189070,0281,9882.8%
190091,8863,8884.2%
1910104,8394,7074.5%
1920109,6945,3344.9%
1930113,6435,4194.8%
1940110,8794,8584.4%
1950120,7405,2804.4%
1960107,7165,6715.3%
1970100,3616,7836.8%
198095,32210,41810.9%
199095,80212,93013.5%
2000101,35512,07911.9%
2010105,16212,25311.7%
2020118,40812,52010.6%

*includes West Cambridge (1 person)
*includes 41 listed as Mulatto and 99 listed as Black

Citations:
1790, 1800, 1820, 1840, 1860, 1880, 1900, 1920, 1940, 1960, 1980, 2000: from Slavery and Its Aftermath in Cambridge by Charles Sullivan, Executive Director, Cambridge Historical Commission, 13 January 2021. Available here: https://www.cambridgema.gov/-/media/Files/citymanagersoffice/monumentsadvisorycommittee/Slavery_and_its_Aftermath_in_Cambridge.pdf.

1810: Total from column, “all other free persons except Indians not taxed,” in 1810 census

1830: Total from column, “free colored persons,” in 1830 census

1850: Counted total from race column in the 1850 census

1870: Census totaled from race column in the 1870 census. Column totaled as “colored” and includes Black and Mulatto. Ward 1: 87; Ward 2: 626; Ward 3: 9; Ward 4: 82; Ward 5: 18. Total 822.

1890: Compendium of the Eleventh Census: 1890, Part I Population, Department of the Interior, Census Office, 1892. Cambridge is on page 552. Available here: https://www.google.com/books/edition/Compendium_of_the_Eleventh_Census_1890_P/L2tVWSA9xUAC?hl=en&gbpv=1

1900-1910: Negro population in the United States, 1790-1915, edited by William Loren Katz, 1968. Available here: https://babel.hathitrust.org/cgi/pt?id=pst.000053752499&view=1up&seq=104&skin=2021&size=125&q1=cambridge1950: https://www2.census.gov/library/publications/decennial/1950/population-volume-2/38840572v2p21ch4.pdf.

1910-1930: Negroes in the United States, 1920-1932, by United States Department of Commerce, Bureau of the Census, 1935. Available here: https://babel.hathitrust.org/cgi/pt?id=uiug.30112047636300&view=1up&seq=83&size=125&q1=cambridge

1970: 1970 Census of Population, Characteristics of the Population, Massachusetts, 1973. Available here: https://www2.census.gov/prod2/decennial/documents/1970a_ma-01.pdf

1990: Comparison of Cambridge, MA. U. S. Census Short Form Results:
1980, 1990 & 2000
, Cambridge Community Development, 17 May 2004. Available here: https://www.cambridgema.gov/-/media/Files/CDD/FactsandMaps/PopulationData/Citywide/census_1980to2000_sf1_comp.pdf

2010: Profile of General Population and Housing Characteristics: 2010
Demographic Profile Data
, U.S. Census Bureau, 27 June 2011. Available here: https://www.cambridgema.gov/-/media/Files/CDD/FactsandMaps/PopulationData/Citywide/census_2010_sf1_profile.pdf

2020: Cambridge: Population and People, U.S. Census Bureau. Available here: https://data.census.gov/cedsci/profile?g=1600000US2511000

Cambridge Population: From Cambridge, Massachusetts Wikipedia Page, Demographics. Available here: https://en.wikipedia.org/wiki/Cambridge,_Massachusetts#Demographics

Advertisement

3 thoughts on “The Black Population of Cambridge by Census Year, 1790 – 2020

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s