Census Catalog - Order products on-line
Questionnaire [PDF 598k] - Long form and why we asked the questions
Differences between 1990 and 2000 Questionnaires
Mail Response Rates
- 1990 Geographic Boundaries
- Adjusted for 2000 Geographic Boundaries
U.S. Map: Rates by State
- Color [PDF 46k]
- Black & White [PDF 40k]
Undercounts and Undercount Rates
- Technical Papers
- U.S. & States [PDF 48k]
Local Sources for Census Data
Regional Offices, State Data Centers, Census Information Centers, and Depository Libraries
Contact List - Names and phone numbers of subject matter experts
Apportionment is the process of dividing up the 435 memberships, or seats, in the U.S. House of Representatives among the 50 states.
View, download or order published results from the 1990 census available in Portable Document Format (PDF).
Find links to 1990 census data on popular topics and related sources of similar data.
Database of Public Law 94-171 data
age by race and Hispanic origin
Maps and digital geographic products for use in GIS and mapping software
Data from previous censuses