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Orange County supervisors are on the verge of choosing a new map setting the boundaries of their districts for the next 10 years that could shake up next year’s elections, when three of the board’s five seats will be on the ballot.

While much attention is focused on Congressional redistricting, all political subdivisions – think state legislatures to city councils – must adjust their boundaries after every federal census to ensure fair and equal representation, and to make sure they comply with voting rights laws.

In OC, the Board of Supervisors has six potential maps, tweaked by the county leaders from submissions by residents and community interest groups, that could be narrowed down to one choice as soon as Tuesday, Nov. 8. Several of the maps would dramatically change which communities are in each district.

Changes to district lines matter because they can strengthen or dilute the voting power of all kinds of groups with shared interests, including neighborhoods, people with shared ethnic or religious backgrounds, and – even though county supervisor seats are technically nonpartisan – political parties.

One key objective is to balance how many people live in each district so everyone in the county gets the same level of representation on the Board of Supervisors.

Because of uneven growth since 2011, when the current district lines were drawn, District 3 (including Anaheim Hills, Tustin, Yorba Linda, canyon communities and part of Irvine) and District 4 (the rest of Anaheim and cities to the north including Placentia and Brea) will need to lose residents and District 1 (Santa Ana, Westminster, Garden Grove and part of Fountain Valley), District 2 (Costa Mesa, Stanton, Huntington Beach, Newport Beach and Seal Beach) and District 5 (part of Irvine and most of South County) will need to add them.

The goal is to get as close as possible to 638,602 residents in each.

Another goal is to honor geographic and other boundaries. The current lines split six cities between districts, something the board will try to keep to a minimum with any new map.

Whichever map is chosen, it also must comply with the federal Voting Rights Act, which says it’s illegal to deny or weaken anyone’s vote based on their race. That’s why a big focus in Orange County is on how the proposed maps affect Latino and Asian-American residents, whose shares of the county’s overall population have grown significantly over the past two decades.

An analysis of census data by the UCLA Voting Rights Project found Orange County’s White population has shrunk from 51.3% in 2000 to 37.6% in 2020; in the same period, Latinos as a group have grown from 30.8% to 34.1% of the population, and Asians went from 13.5% to 21.9% of county residents. Over those 20 years, Orange County grew from 2.8 million to 3.1 million inhabitants.

Many residents who weighed in at a Nov. 2 public hearing on county redistricting advocated for a map that would create a majority Latino district and avoid dividing Asian American communities in the northwestern part of the county; others who emailed the board asked that beach cities be grouped in one district, that canyon communities in southeast county be kept together, and that cities not be split between districts.

For some residents, redistricting is a chance to fix what they say is the partisan nature of the current boundaries.

In 2011, supervisors drew lines that some think were intended to shore up Republican power on the board, which disenfranchised non-white residents, said Dan Ichinose, research director for the Orange County Civic Engagement Table, a nonpartisan group that created the People’s Redistricting Alliance. The alliance submitted one of the maps supervisors are considering.

Ichinose said the goal of his group’s map is to keep together communities with common interests, such as Vietnamese Americans in Garden Grove and Westminster who share experiences as refugees. It also addresses the fact that communities of color now make up about 62% of the county.

“A fair map, not considering party politics, should really reflect our community’s demographic reality,” he said. “We’re looking at drawing fair maps that look to provide opportunities for communities in need, regardless of their racial and ethnic background, to have a voice in county government.”

Board of Supervisors Chairman Andrew Do, who represents District 1, said while he’s not going to base his choice of map on which party it appears to favor, “anybody who says that politics doesn’t play a role in the decision making is being disingenuous.”

His goal, he said, is to “draw a map and be as fair as possible and make sure it’s defensible in court” in case it’s challenged.

There’s still time for residents to learn about the process and have their say. People can watch or attend a public hearing starting at 9:30 a.m. Tuesday, email their comments to board members or submit feedback through the county’s redistricting website, www.cob.ocgov.com/2021-redistricting, which has the proposed maps, demographic data and other information. Find interactive maps under the “Redistricting Proposals Submitted” tab.

While Ichinose would have liked to see more community interest earlier in the process, he said, “we really do hope that folks become more involved. This is the home stretch.”

The Board of Supervisors will hold several more hearings on redistricting this month and expects to finalize new district boundaries by Dec. 15.