City of Patterson
Redistricting Draft Map Presentation
February 1, 2022 Doug Yoakam, Consultant
National Demographics Corporation
Redistricting Process
February 1, 2022 2
Step Description
Census Data Release
August 12, 2021
• Census Bureau releases official 2020 Census population data California Data Release
September 27, 2021
• California Statewide Database releases California’s official ‘prisoneradjusted’ 2020 redistricting data Public Hearing #1
November 8, 2021
• Held prior to release of draft maps
• Educate, solicit input on neighborhoods and Communities of Interest Public Hearing #2
December 6, 2021
• Held prior to release of draft maps
• Educate, solicit input on neighborhoods and Communities of Interest • Public release of mapping tools
Redistricting Process (continued)
February 1, 2022 3
Step Description
Deadline for Public to
Submit Draft Maps
January 18, 2022
• Two weeks prior to first post-draft hearing
Public Hearing #3
February 1, 2022
• Held after release of draft maps
• Educate, solicit input on neighborhoods and Communities of Interest • Discuss, revise draft maps
Public Hearing #4
March 1, 2022
• Held after release of draft maps
• Educate, solicit input on the communities in the Districts • Adopt Final Map
Statutory Deadline
April 17, 2022
• Map must be adopted prior to this date.
◻ Equal Population
◻ Federal Voting
Rights Act
◻ No Racial
Gerrymandering
◻ Respect voters’ choices /
continuity in office
◻ Use Current districts as a
basis
◻ Future population growth
1. Federal Laws 2. California Criteria for
Cities
1. Geographically
contiguous
2. Undivided
neighborhoods and
“communities of
interest”
3. Easily identifiable
boundaries
4. Compact
Prohibited: “Shall not favor or
discriminate against a political
party.”
3. Other Traditional
Redistricting Principles
Redistricting Rules and Goals
February 1, 2022 4
Patterson Adjusted Census Population
Total: 23,840
Ideal District population: 5,960
(4 districts)
5 Patterson – Existing Districts
6 Existing Districts
District A B C D Total
Total Pop 6,961 6,034 5,336 5,509 23,840
Deviation from
ideal 1,001 74 -624 -451 1,625
% Deviation 16.80% 1.24% -10.47% -7.57% 27.27%
Total Pop % Hisp 48.90% 61% 69% 77% 63%
% NH White 19% 22% 20% 15% 19%
% NH Black 13% 8% 3% 2% 7%
% Asian-American 13% 6% 4% 3% 7%
Citizen Voting Age
Pop Total 3,553 3,656 2,756 2,577 12,542
% Hisp 38% 56% 56% 63% 52%
% NH White 22% 25% 33% 26% 26%
% NH Black 19% 10% 5% 8% 11%
% Asian/Pac.Isl. 20% 8% 5% 0% 9%
Patterson Current District Lines
7 Public Mapping and Map Review Tools
Different tools for different purposes
Different tools for different levels of technical skill and interest Easy-to-use “Draw your neighborhood” tool (Dave’s Redistricting) Paper- and Excel-based simple “Draw a draft map” tools Whether you use the online mapping tool, Excel, the paper kit, or just draw on a napkin, we welcome your maps!
February 1, 2022 8
Dave’s Redistricting App - Patterson
9 9
Your own mapping software?
Feel free to submit using your own mapping software:
1) A GIS Shapefile and/or a Census Block equivalency file (w/2020 Census Blocks);
2) A description of the choices and key points of your map; and,
3) Send to the City of Patterson redistricting email
address:[email protected]
December 6, 2021 10
Public Map 101
1111
NDC Plan 101
12 NDC Map 101 Statistics
13 A B C D Total
2020 Census
Total Population 6,141 6,103 5,979 5,617 23,840
Population
Deviation 181 143 19 -343 524
Pct. Deviation 3.04% 2.40% 0.32% -5.76% 8.79%
Total Pop.
Hispanic/Latino 48% 60% 68% 76% 63%
NH White 18% 21% 20% 16% 19%
NH Black 14% 8% 4% 2% 7%
NH
Asian/Pac.Isl. 14% 7% 5% 4% 8%
NH Native
Amer. 1% 1% 1% 1% 1%
Citizen Voting
Age Pop
Total 3,105 3,658 3,111 2,667 12,542
Hisp 38% 55% 55% 62% 52%
NH White 22% 25% 31% 28% 26%
NH Black 19% 10% 6% 8% 11%
Asian/Pac.Isl. 21% 10% 7% 2% 10%
Native Amer. 1% 1% 0% 1% 1%
NDC Plan 102
14 NDC Map 102 Statistics
15 A B C D Total
2020 Census
Total Population 5,657 6,052 6,072 6,059 23,840
Population
Deviation -303 92 112 99 415
Pct. Deviation -5.08% 1.54% 1.88% 1.66% 6.96%
Total Pop.
Hispanic/Latino 49% 59% 66% 77% 63%
NH White 17% 21% 21% 16% 19%
NH Black 14% 8% 5% 2% 7%
NH
Asian/Pac.Isl. 15% 8% 5% 4% 8%
NH Native
Amer. 1% 1% 1% 1% 1%
Citizen Voting
Age Pop
Total 2,847 3,529 3,222 2,944 12,542
Hisp 37% 54% 54% 64% 52%
NH White 21% 24% 32% 27% 26%
NH Black 20% 11% 7% 7% 11%
Asian/Pac.Isl. 21% 11% 7% 2% 10%
Native Amer. 1% 1% 0% 1% 1%
Public Comments and Questions
February 1, 2022 16