Council redistricting is a complex process incorporating input
from a wide variety of stakeholders. For Council redistricting,
often a districting commission for the city must use criteria in
determining the city council lines such as:
- Population. The difference between the most populous and
the least populous council district must not exceed a
percentage of the average population for all council
- Fair and effective representation. The redistricting
plan must be established in a manner that ensures the fair
and effective representation of the racial and language
minority groups in the city.
- Communities of Interest. District lines should keep
intact neighborhoods with established ties of common
interest and association, whether historical, racial,
economic, ethnic, religious or other.
- Compactness. Each district must be compact, e.g., each
district cannot be more than twice as long as it is wide.
- Contiguity. Each district must be contiguous, and
whenever a part of a district is separated from the rest of
the district by a body of water, there must be a connection
by a bridge, a tunnel, a tramway, or regular ferry service.
- Political boundaries. A district cannot cross local or
This is why Caliper developed Maptitude for Redistricting.
“ It's light years ahead. The software can do so much more, so much more quickly.”
Karl Aro, Director
Maryland Dept. of Legislative Services
Maptitude for Redistricting is the ultimate in redistricting
software. It is used by a majority of the state legislatures,
redistricting commissions, political parties, and public
interest groups. A web-based version, Maptitude Online
Redistricting, is suitable for individual citizens and
legislators who wish to propose boundaries for their district or
even an entire plan.
To learn more about the council redistricting features in
Maptitude for Redistricting, please see
the Features page or contact Caliper Sales at
or by phone at 617-527-4700.
Redrawing council districts with Maptitude for Redistricting
Mapping council districts with Maptitude for Redistricting