Public Participation Mapping Tools

DistrictR Online Mapping Tool

DistrictR is a simple online “paint brush” tool that allows you to “paint” your neighborhood, your community of interest, or a full countywide district map. No account or login is required to access the tool.

DistrictR Instructional Video

Maptitude Online Mapping Tool

Maptitude is an advanced online tool that allows you to draw districts Census Block by Census Block, with all of the demographic data used by the County’s demographic consultants. You can fine-tune your district lines and see the resulting demographics in real time as you draw your map. To access the tool, you must create a user account.

Maptitude Instructional Video

How to Submit Your Maps

You can submit your map electronically, by mail, or in person.​


Submit by Mail or Drop Off in Person:​

County Manager’s Office
Attn: Redistricting
400 County Center, 1st Floor
Redwood City, CA 94063