American FactFinder (AFF), the U.S. Census Bureau's primary data retrieval tool, contains data from the 2000 and 2010 decennial censuses
only, but it contains thousands of decennial tables. This link into AFF will show you commonly requested 2010 decennial census data for Minnesota, any any county, city or town within it
(from the DP-1, Profile of General Population and Housing Characteristics: 2010. Use the Geography drop-down menu to select your geography of interest). Alternately download the CSV file for all counties
or all cities and townships
Census 2010 Interactive Population Map
This interactive map allows users to view Census 2010 counts for total population, race and Hispanic groups, age, sex, and housing status for geographies down to the block level.
Census 2010 Interactive Population Search
This interactive tool allows users to view Census 2010 counts for total population, race and Hispanic groups, age, sex, and housing status for states, counties, and places (cities and towns).
The following tools (not sponsored by the Census Bureau) also allow users to access 2010 and earlier decennial Census data.
Minnesota Compass, a project of Wilder Research, features thousands of interactive graphs, maps, and tables for MN geographies. Its Demographics Topic section is rich with decennial data on total population, race and ethnicity, and age data, often dating back to the 1950 or 1960 decennial census. By using the dropdown menus in the gray banner above any graph, users can change geographies, further disaggregate data by subgroups, view data tables, or download data in a CSV file. Geographic profiles contain popular 2000 decennial data points compared more recent data.
Social Explorer free edition
Social Explorer allows users to interact with maps and tables featuring various decennial census data back to the original 1790 census at no charge. Geographies and topics available vary by year. Additional data and features are available through a paid subscription (check with your local academic or public library for availability).
National Historic Geographic Information System (NHGIS)
NHGIS, a project of the University of Minnesota Population Center, provides free aggregate census data and GIS-compatible boundary files for volumes of decennial data back to 1790 as well as the more recent American Community Survey data. Users have to create a free account to extract data. Statistical software not required; Microsoft Excel will suffice.
Integrated Public Use Microdata Series (IPUMS-USA)
IPUMS-USA, a project of the University of Minnesota Population Center, provides free, anonymized individual record census data ( microdata ) samples for volumes of decennial data back to 1850 as well as the more recent American Community Survey data. The data may be tabulated by advanced users for geographies down to the Public Use Microdata Area (PUMA) level, which contain at least 100,000 people. Users have to create a free account to tabulate data online or extract data. Statistical software required for extracts.