Ontario, CA
2025 and 2035 projected population

Ever wonder how many people live in Ontario, CA and how fast that number changes?

Aterio data team has developed an AI enhanced model that helps organizations understand the forecasted growth of population in Ontario, CA for years 2025 through 2035.

Population Growth Rate (Year over Year)

175,000180,000185,000190,000195,000200,0000.00%0.50%1.00%1.50%2.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

175,264

Growth

0.00%

2021

Population

178,274

Growth

1.72%

2022

Population

180,736

Growth

1.38%

2023

Population

182,782

Growth

1.13%

2024

Population

185,285

Growth

1.37%

2025

Population

187,072

Growth

0.96%

2026

Population

188,414

Growth

0.72%

2027

Population

189,791

Growth

0.73%

2028

Population

191,176

Growth

0.73%

2029

Population

192,463

Growth

0.67%

2030

Population

193,674

Growth

0.63%

2031

Population

194,826

Growth

0.59%

2032

Population

195,931

Growth

0.57%

2033

Population

197,005

Growth

0.55%

2034

Population

198,045

Growth

0.53%

2035

Population

199,057

Growth

0.51%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Ontario, CA

Our team has created a comprehensive report on population forecast and economic development by zip code using our proprietary AI models.

Top 25 most populated zip codes in Ontario, CA

Our model provides a detailed 2025 through 2035 projected population growth for every zip code in Ontario, CA.

U.S. Zip code

2020 census

2025 population

2030 population

Open
9176263,81964,48066,307View full zip code report, 91762
9176160,82763,73466,292View full zip code report, 91761
9176457,26555,92457,597View full zip code report, 91764

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