From the Social Explorer FAQs:

Chicago

Report

Data source. Title of table, dates. Prepared by Social Explorer. permalink URL (date accessed).

Example:

U.S. Census Bureau. Population Density, 1960. Prepared by Social Explorer. (accessed Jul 27 13:58:03 EST 2010).

Map

Title of map, dates. Social Explorer, permalink URL (based on data from <identify data source>; date accessed).

Example:

Population Density, 1960. Social Explorer, (based on data from U.S. Census Bureau; accessed Jul 27 17:16:03 EST 2010).

MLA

Report

Data source. “Title of table, dates.” Social Explorer. Medium. Date posted.

Example:

U.S. Census Bureau. “Population Density, 1960.” Social Explorer. Web. Jul 27 13:58:03 EST 2010.

Map

“Title of map, dates.” Map. Social Explorer. Social Explorer, n.d. Medium. Date posted. (based on data from...)

Example:

“Population Density, 1960.” Map. Social Explorer. Social Explorer, n.d. Web. Jul 27 13:58:03 EST 2010. (based on data from U.S. Census Bureau)

From the Census FAQs:

Statistics from American Census Data (census.data.gov):

Author/s, “Table Name,” Full Product Name, Vintage, <URL>, accessed on date.

Data Visualizations and Infographics:

Author/s, “Title of Visualization” [Data Visualization], date published, <URL>.

Examples:

U.S. Census Bureau, "Age and Sex," American Community Survey 5-Year Estimates Subject Tables, Table S0101, 2022, <https://data.census.gov/table/ACSST5Y2022.S0101?q=people>, accessed on July 1, 2024.

U.S. Census Bureau, “Percent Change in the Hispanic or Latino Population by County: July 1, 2022, to July 1, 2023” [Data Visualization], June 27, 2024, <https://www.census.gov/library/visualizations/2024/comm/hispanic-population-change.html>.