Chicago Ward Boundaries from 2003 to 2015

Ward boundaries in Chicago correspond to City Council terms sworn in between May 2003 and May 2015. The data is provided by the City of Chicago and was last updated on March 15, 2026. Neither the description nor the dataset should be relied upon where legal precision is required.

Use Cases

• Map historical political representation based on ward boundaries.
• Analyze changes in electoral geography over a 12-year period.
• Create base map layers for civic applications using the provided shapefiles.

Strengths

• Covers a 12-year time span from May 2003 to May 2015.
• Provided by the authoritative City of Chicago organization.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

City of Chicago

Time Range

May 2003 to May 2015

Freshness

Last updated 2026-03-15 03:00:00.243566; freshness should be verified.

Geography

Chicago, Illinois, USA