California Voters Want Growth Managed and Open Space Protected
Voters Connect Population Growth to Pressure on Land, Water, Traffic, and Quality of Life
PHOENIX (September 14, 2026)- California voters are connecting decades of growth and development to increasing pressure on the state’s land, water, transportation, and quality of life – and they want policymakers to take those tradeoffs seriously, according to a new statewide survey conducted by Noble Predictive Insights (NPI) for NumbersUSA.
This poll was conducted from August 7–11, 2026, and surveyed 1,030 California likely voters via online opt-in panel, yielding a margin of error of ±3.05%.
Conservation Is the Consensus
The clearest point of agreement is the importance of protecting what remains. Nearly all California likely voters (93%) say it is important to protect the state’s remaining farmland, forests, wetlands, and open spaces from development, including 64% who say it is very important.
That view cuts across party lines, with protection considered important by 95% of Democrats, 93% of Republicans, and 90% of Independents.
Concern about what has already been lost is nearly as widespread. After being told that 3,741 square miles – almost 2.4 million acres – of California farmland and wildlife habitat have been converted to development over the past four decades, 81% say they are concerned about the trend.
When asked to weigh conservation directly against development needs, 61% say it is wrong to pave over good cropland and wildlife habitat. Fewer than half as many (28%) believe the need for additional housing and highways is a legitimate reason to eliminate that land.
“California voters are not treating conservation as a niche environmental issue,” said Mike Noble, NPI Founder & CEO. “They see farmland and open space as part of the state’s quality of life, and that concern is shared across the political spectrum.”
Growth Is a Quality-of-Life Issue
Voters are also connecting population growth and development to changes in their own communities. Nearly half (48%) say those trends have made their region a worse place to live, compared with 16% who believe they have made it better. Another 26% say the effect has been limited.
Looking ahead, rapid growth has little appeal. Only 11% want California’s population to grow rapidly, while 29% want slower growth, 33% want the population to remain about the same size, and 24% want it to become smaller.
More than half of voters (57%) prefer California’s population to remain stable or decline – and that preference is remarkably consistent across party lines. It is shared by 56% of Republicans, 56% of Democrats, and 60% of Independents.
“Voters are not rejecting growth in the abstract; they are reacting to the cumulative costs they see around them,” Noble said. “Land, traffic, water, housing, and taxes are all part of the same equation for Californians.”
Infrastructure Is Where Growth Gets Personal
Transportation is one of the clearest pressure points. Concern about California’s commute times reaches 78%, and 78% believe significant population growth in their area would make traffic slower and worse. That includes 40% who expect driving times to become much worse.
Water generates similar anxiety. Most voters (80%) are concerned about whether California will have enough fresh water in the future. When presented with possible responses to groundwater depletion, slowing or stabilizing future population growth is the most frequently selected strategy at 52%, ahead of reducing water use by households and businesses (38%) or farms (22%).
Voters show some openness to denser development as a way to limit sprawl, although the issue is far from settled. Increased density is favored by 44%, opposed by 25%, and another 31% are unsure. But when growth carries a direct household cost, opposition becomes decisive: 73% do not favor paying higher property taxes to accommodate new residents and residential development.
The tension in the data is clear. Californians recognize the need to manage development, but they are reluctant to personally absorb higher costs to support continued growth.
Out-Migration Looks Like a Warning Sign
Recent out-migration is widely viewed as more than a temporary fluctuation. Nearly two-thirds of voters (64%) see it as evidence of longer-term problems, including high housing costs and crowding, while 24% believe it is mainly temporary.
For many voters, the issue is personal. More than one-third (38%) have considered leaving California because of housing costs, traffic, or overcrowding. Another 37% have not considered leaving themselves but know someone who has already left for one of those reasons. Just 21% say neither applies to them.
Less Settled on Immigration Levels, Clear on Enforcement
The survey also explored immigration as part of the broader population-growth picture. Respondents were informed that immigration is now the primary driver of U.S. population growth, according to federal Census data. Just over half of California voters (55%) said they were already aware of that, while 37% said they were not, and 8% were unsure.
When told that roughly one million people per year have recently been admitted to the United States as permanent immigrants, 33% of voters were unsure what they think the annual immigration level should be. Still, nearly four times as many voters chose a substantial cut as an increase: 38% selected either zero or approximately 500,000 admissions per year, compared with 10% who selected a level above one million. Another 20% selected approximately one million. Among the 67% of voters who named a preferred level, approximately 57% chose zero or 500,000, showing a clear tilt toward lower admissions.
Voters reach a much clearer conclusion about employment enforcement. Requiring all employers to use E-Verify is supported by 73% and opposed by 17%.
That support also crosses party lines. The requirement is favored by 85% of Republicans, 67% of Democrats, and 71% of Independents.
Taken together, the findings point to a consistent theme: California voters want growth managed with greater attention to its effects on the state’s land, infrastructure, and quality of life. The level of agreement varies by issue, but the concern about the effects of growth is widespread.
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Methodology: This poll was conducted by Noble Predictive Insights for NumbersUSA from August 7–11, 2026, and surveyed California likely voters via an online opt-in panel. Respondents were offered to take the survey in English or Spanish. In total, NPI interviewed 1,030 California likely voters, determined through screening questions. The sample demographics were weighted to accurately reflect the registered-voter population by gender, region, age, party affiliation, race/ethnicity, and education based on recent voter-file data, the California Secretary of State’s Office, and recent Census data. The margin of error was ±3.05%. Numbers may not total 100% due to rounding.
About NumbersUSA: A nonpartisan 501(c)3 organization, NumbersUSA has educated voters since 1996 about immigration policies to protect America's wage-earners, natural habitats, and local communities. The organization was founded by journalist/author Roy Beck to promote the immigration recommendations of two prominent federal commissions -- the Jordan Commission chaired by civil rights leader Barbara Jordan, and the President's Task Force on Population and Consumption.
About Noble Predictive Insights: As a nonpartisan public opinion polling, market research, and data analytics firm, Noble Predictive Insights exists to transform how leaders make decisions by delivering data-based solutions and predictive insights that provide a clear path forward. We bridge the gap between research and strategy with customized strategic research, a hyper-focus on impact, and being true partners with our clients. Noble Predictive Insights (formerly OH Predictive Insights) is a 2023 Inc. 5000 fastest-growing company in the Southwest region, and is ranked in the top 15 most accurate pollsters as well as in the top 5 for lowest average bias in the 2021-22 election cycle by FiveThirtyEight. For more information, please call (602) 641-6565 or visit our website at www.noblepredictiveinsights.com.
Media Contact:
Veronica Sutliff, Noble Predictive Insights, v.sutliff@npredictive.com, (602) 390-5248
