Cost of Living in Castle Rock, CO
Population 76,614 · Colorado · Data vintage 2023
(100 = US avg)
Housing in Castle Rock sits 104% above the national median — $622,000 for the typical home — but median household incomes near $143,031 (92% above the US figure) soften the blow that similar pricing creates in lower-wage metros.
Geographically, Castle Rock sits roughly 13 miles southeast of Highlands Ranch. Median home values run roughly 8% lower than Highlands Ranch's $673,000.
Cost Overview
Scale: 100 = US national average. Green < 90, Red > 110.
About the Cost of Living in Castle Rock
The median home value in Castle Rock is $621,700 — 104% above the national median of $305,000. Median rent runs $1,946/month, 48% higher than the national median of $1,314/month. The median household income of $143,031/year is 92% higher than the US median of $74,580. The local unemployment rate is 4.5%, below the national average of 4.8%. Colorado's top state income tax rate is 4.4% and the combined sales tax is 7.8%. Overall, Castle Rock has a cost of living index of 182 versus the US average of 100, meaning it is 82% more expensive.
🏠 Housing
HUD Fair Market Rents by Bedroom
💰 Estimated Monthly Budget
Estimates based on median data and national averages. Actual costs vary.
🛒 Food & Groceries
National BLS average prices (2023). Local prices may vary.
🚗 Transportation
Commute Mode
⚡ Utilities
📋 Taxes
💼 Income & Employment
🎓 Education
👥 Demographics
💨 Air Quality
EPA AQS 2023 — county-level monitoring data
Frequently Asked Questions
What is the cost of living in Castle Rock, CO?
Castle Rock has a cost index of 182 (100 = national average). It is 82% above the national average.
What is average rent in Castle Rock, CO?
The median gross rent in Castle Rock is $1,946 per month based on 2023 Census data.
What is the average home price in Castle Rock?
The median home value in Castle Rock is $621,700 according to Zillow and Census data.
What is the median income in Castle Rock?
The median household income in Castle Rock is $143,031 per year (2023 ACS 5-year estimates).
What is the sales tax in Castle Rock, CO?
The combined state and local sales tax rate in Castle Rock is 7.8%. The Colorado state income tax top rate is 4.4%.
Is Castle Rock, CO affordable?
Castle Rock is above average in cost of living, with an index of 182 — about 82% higher than the national average.
Castle Rock at a Glance
- Population
- 76,614
- Median Income
- $143,031
- Home Value
- $621,700
- Median Rent
- $1,946/mo
- Unemployment
- 4.5%
- Sales Tax
- 7.8%
Nearby Cities
Explore county-level cost of living data
Colorado Rankings
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