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In-depth analysis, research, and reference material on redistricting.

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Map Archive

Past Congressional and State Legislative Shapefiles
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· Mar 31, 2026

County Level Population Estimate Shifts

Dive deeper into the county level population changes since the 2020 Census in the map below. Examine birth …
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Reference · Mar 17, 2026

2025 Population Map
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Census · Apportionment · Reapportionment · Jan 29, 2026

2030 Congressional Apportionment - Total Citizen Population

Citizen Population from the 2024 American Community Survey 5-Year Estimates
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Apportionment · Jan 27, 2026

2030 Apportionment Forecast - 2025

As of July 1, 2025.
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· Oct 20, 2025

Uncapping the House - Pt. 3 - Capping the House
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· Oct 16, 2025

Uncapping the House - Pt. 2 - The Cube Root Rule
· Aug 26, 2025

A Peek at 2030 Redistricting

Breaking down the 2025 & 2030 district-level population estimates of the 119th Congress
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Apportionment · Reference · National · Reapportionment · Jul 23, 2025

Uncapping the House - Pt. 1 - The Wyoming Rule
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Party Control · Feb 6, 2025

2024 Functional Redistricting Control
Redistricting_Control_2025_Cong.png
· Jan 20, 2025

2025 Redistricting Control

Redistricting control as of January 20, 2025.
Ballot Measures · Dec 31, 2024

2024 Redistricting Ballot Measures