Skip to Main Content

Researching Your School Community: Census Geography

This guide explains how to find census data, periodical articles, and other resources related to school/community research.


American FactFinder provides access to data about the United States, Puerto Rico and the Island Areas. The data in American FactFinder come from several censuses and surveys.

Diagram showing hierarchy from the nation down to the Census block

Hawaiʻi Census Geography Reference Maps

Use these maps to locate and see the boundaries of enumeration units such as Census-designated places (CDPs), Census tracts, block groups, blocks, counties, Hawaiian home lands, zip code tabulation areas (ZCTAs), political subdivisions, and more.

Zip Code Tabulation Areas in Hawai`i

Finding My Geography

magnifying glass and map image

If you don't know your census tract number, your block group number, or your block number, click on the link below for a step by step tutorial on how to find this information:

Finding my geographical information tutorial