Castle Rock, CO
2025 and 2035 projected population

Ever wonder how many people live in Castle Rock, CO 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 Castle Rock, CO for years 2025 through 2035.

Population Growth Rate (Year over Year)

70,00075,00080,00085,00090,00095,000100,0000.00%1.00%2.00%3.00%4.00%5.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

73,158

Growth

0.00%

2021

Population

76,657

Growth

4.78%

2022

Population

80,235

Growth

4.67%

2023

Population

81,654

Growth

1.77%

2024

Population

83,213

Growth

1.91%

2025

Population

85,322

Growth

2.54%

2026

Population

86,703

Growth

1.62%

2027

Population

88,134

Growth

1.65%

2028

Population

89,616

Growth

1.68%

2029

Population

91,145

Growth

1.71%

2030

Population

92,731

Growth

1.74%

2031

Population

94,100

Growth

1.48%

2032

Population

95,510

Growth

1.50%

2033

Population

96,938

Growth

1.49%

2034

Population

98,399

Growth

1.51%

2035

Population

99,907

Growth

1.53%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Castle Rock, CO

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 Castle Rock, CO

Our model provides a detailed 2025 through 2035 projected population growth for every zip code in Castle Rock, CO.

U.S. Zip code

2020 census

2025 population

2030 population

Open
8010432,42738,38242,394View full zip code report, 80104
8010828,95237,09139,997View full zip code report, 80108
8010924,55428,87830,988View full zip code report, 80109

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