How do I find a census block group?

Scroll down to the Census Tracts section to see the census tract number. Scroll down to the 2010 Census Blocks section to see the census block and block group numbers.

Was there a 1990 census?

The United States census of 1990, conducted by the Census Bureau, was the first census to be directed by a woman, Barbara Everitt Bryant. It determined the resident population of the United States to be 248,709,873, an increase of 9.8 percent over the 226,545,805 persons enumerated during the 1980 census.

Can you get census data?

Introduction to Census Records The National Archives has the census schedules on microfilm available from 1790 to 1940, and free online access is available through our digitization partners at any National Archives facility.

Do census block groups change?

A block group is a subdivision of a census tract and contains a cluster of blocks. Block groups usually have between 250 and 550 housing units. A census block is the smallest geographic census unit. Census blocks change every decade.

Which states had the highest population of blacks in 1990?

Four States, New Jersey, Maryland, South Caroli na, and Alabama, reached 1 million between 1980 and 1990. Six of the 10 States with the largest Black populations were in the South. California and Texas joined New York as the only States with Black populations exceeding 2 million.

What did the 1990 census reveal?

Intercensal Activity. Demographic analysis showed that the 1990 census had an estimated net undercount of 1.8%, with an appreciably larger net undercount rate for African Americans than for other residents.

What does Census Bureau’s block assignment file do?

The Block Assignment Files (BAFs) are among the geographic products that the Census Bureau provides to states and other data users containing the small area census data necessary for legislative redistricting. The BAFs contain Census tabulation block codes and geographic area codes for a specific geographic entity type.

Where can I find statistics from the 1990 Census?

Descriptions of the series and data files listed in this report are in the National Archives Catalog. The National Archives Catalog can be searched by title, National Archives Identifier, type of archival material, or keyword.

What was the population of the United States in 1990?

The files provide digital data for all 1990 census map features and boundaries, the associated 1990 census final tabulation geographic area codes (such as 1990 census block numbers), and the codes for the January 1, 1990 legal and statistical areas on both sides of each line segment of every mapped feature.

What do I need to know about the 2020 census?

Each file contains 2020 Census tabulation block codes and geographic area codes for a specific geographic entity type. Each BAF contains every block within the given state, even if the block is not within one of the geographic areas represented in the file.