DISCUSSION AND POSSIBLE ACTION
ON 2020 CENSUS AND
DEMOGRAPHIC DATA AND CITY
COUNCIL REDISTRICTING
REQUIREMENTS
REDONDO BEACH CITY COUNCIL MEETING
NOVEMBER 9, 2021
AGENDA ITEM N.2.
1 CITY CHARTER REDISTRICTING REQUIREMENT
Sec. 7. City Council districts.
The City shall be divided into five (5) districts, within its corporate limits, for all elections of Councilmen.
Council districts shall be as nearly equal in population as practicable and in compliance with State and Federal law. Council districts in existence upon the effective date of the Charter Amendment shall continue to exist until altered as provided in Section 7.1.
Sec. 7.1. Redistricting.
The City Council shall, within nine (9) months after receipt of the decennial United States census data, examine the boundaries of each council district for compliance with the population standard set forth in Section 7, and by ordinance shall modify the boundaries of districts, if necessary, to bring all district boundaries into compliance with said standard.
Sec. 7.2. Redistricting ordinance, effective date.
No redistricting ordinance shall be effective at the municipal election following its adoption, unless it shall have been published and adopted at least one hundred twenty (120) days prior to the general municipal election.
2 PREVIOUS DISTRIBUTION PROCEDURES IN
REDONDO BEACH
2010 District Population Distribution
3 2020 CENSUS DATA – NEW PROCESS
• Disclosure Avoidance Procedures
• New procedures are to protect confidentiality of the 2020 Census Redistricting Data. • Census Bureau cannot release information that could identify a person’s information in the statistics that they publish.
• Procedure includes a new mathematical algorithm intended to protect data while preserving accuracy.
• 2020 Census Reports Exact Counts Only on the Following:
• The total population at the state level.
• The number and type of occupied group quarters facilities at the block level. • The number of housing units, whether occupied or not, at the block level. 4 5 2020 CENSUS ALGORITHM – ANOMALY IN DATA
2020 CENSUS POPULATION BY BLOCK
DISTRIBUTED BY CURRENT DISTRICT
6 2020 CENSUS BUREAU APPEAL PROCESS –
COUNT QUESTION RESOLUTION PROGRAM (CQR)
• The CQR schedule for appeals:
• Fall 2021: Federal Register notice announces the beginning of a 30-day comment period for the public.
• December 2021: The Census Bureau plans to officially notify tribal, state and local government officials eligible to file CQR cases.
• January 3, 2022: The Census Bureau begins accepting CQR cases for processing from eligible tribal, state and local governments.
• June 30, 2023: Deadline for governments to send CQR cases to the Census Bureau. • September 30, 2023: Deadline for the Census Bureau to provide results to impacted governmental units.
7 2020 CENSUS REDISTRICTING POSSIBILITIES TO
ADDRESS ANOMALY
• Delete the anomaly from data set and adjust map accordingly. • Use assumption of equal population per census block using total municipal population and redistrict accordingly.
• Utilize housing unit data (exact counts) to estimate population per household per district in order to approximate population per district.
• Other methodologies per discussion.
8 OPTION TO REMOVE ANOMALY – DETERMINE
TARGET POPULATION PER DISTRICT
9 2010 and 2020 Population Based on Population by Block Including Calculations for Removing Anomaly Group Quarters District 2010
Population
2020
Population
Change in
Population
2020
Deviation
from Target
Population
2020
Percentage
Deviation
from Target
Population
2020
Population as
Adjusted
(Removing
Anomaly
Group
Quarters
District 3)*
Change in
Population as
Adjusted
2020
Deviation
from Target
Population
2020 %
Deviation
from Target
as Adjusted
1 12,892 13,670 778 -645 -4.51% 13,670 778 -336 -2.40%
2 13,139 13,586 447 -729 -5.09% 13,586 447 -420 -3.00%
3 13,680 15,565 1,885 1,250 8.73% 14,018 338 12 0.09%
4 13,526 14,195 669 -120 -0.84% 14,195 669 189 1.35%
5 13,511 14,560 1,049 245 1.71% 14,560 1,049 554 3.96%
Total
Population 66,748 71,576 4,828 0 0 70,029 3,281 0 0
Target
Population
per District 13,350 14,315 14,006
* Total 2020 population for District 3 less the 1,547 in the non-institutional group quarters facility reported in the block in question OPTION TO REMOVE ANOMALY –
POTENTIAL MAP ADJUSTMENTS
10 Keep District Boundaries:
• D1 13,670 (-336 deviation from target)
• D2 13,586 (-420 deviation from target)
• D3 14,018 (+12 deviation from target)
• D4 14,195 (+189 deviation from target)
• D5 14,560 (+554 deviation from target)
Adjust District Boundaries*:
• D1 13,980 (-26 deviation from target)
• D2 13,936 (-70 deviation from target)
• D3 14,026 (+20 deviation from target)
• D4 14,051 (+45 deviation from target)
• D5 14,036 (+30 deviation from target)
* Brings Council districts more nearly equal in population
DIRECTION AND POSSIBLE ACTION
• Direct Staff to appeal 2020 Census data related to anomaly • Discuss and direct Staff on potential methodology(ies) for census redistricting 11