Who moves to Castle Rock, and where they go
Every year the IRS counts how many people move between counties, based on the addresses on their tax returns. Here is what that shows for Douglas County, CO, home of Castle Rock, between the 2022 and 2023 tax years.
- Moved in
- 30,288from other US counties
- Moved out
- 24,781to other US counties
- Net
- +5,507more arrivals than departures
- From abroad
- 179tax filers and dependents only
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Where newcomers come from
| County | People |
|---|---|
| Arapahoe County, CO (Aurora) | 6,819 |
| Denver County, CO (Denver) | 3,524 |
| Jefferson County, CO (Lakewood) | 2,506 |
| El Paso County, CO (Colorado Springs) | 1,213 |
| Adams County, CO (Thornton) | 897 |
| Maricopa County, AZ (Phoenix) | 547 |
| Los Angeles County, CA (Los Angeles) | 377 |
| Elbert County, CO | 364 |
| Orange County, CA (Anaheim) | 316 |
| Larimer County, CO (Fort Collins) | 289 |
| Weld County, CO (Greeley) | 269 |
| Boulder County, CO (Boulder) | 264 |
Where people go when they leave
| County | People |
|---|---|
| Arapahoe County, CO (Aurora) | 4,313 |
| Denver County, CO (Denver) | 2,061 |
| Jefferson County, CO (Lakewood) | 1,493 |
| El Paso County, CO (Colorado Springs) | 1,205 |
| Elbert County, CO | 850 |
| Adams County, CO (Thornton) | 735 |
| Maricopa County, AZ (Phoenix) | 565 |
| Larimer County, CO (Fort Collins) | 449 |
| Weld County, CO (Greeley) | 297 |
| Boulder County, CO (Boulder) | 260 |
| Los Angeles County, CA (Los Angeles) | 199 |
| Harris County, TX (Houston) | 186 |
Most moves are short hops within the same metro area. 17,117 of the newcomers came from elsewhere in Colorado and 13,171 from other states. Here are the long-distance moves only, more than 100 miles:
Long-distance newcomers come from
| County | People |
|---|---|
| Maricopa County, AZ (Phoenix) | 547 |
| Los Angeles County, CA (Los Angeles) | 377 |
| Orange County, CA (Anaheim) | 316 |
| Harris County, TX (Houston) | 257 |
| San Diego County, CA (San Diego) | 242 |
| Cook County, IL (Chicago) | 177 |
| Tarrant County, TX (Fort Worth) | 172 |
| Clark County, NV (Las Vegas) | 168 |
Long-distance movers go to
| County | People |
|---|---|
| Maricopa County, AZ (Phoenix) | 565 |
| Los Angeles County, CA (Los Angeles) | 199 |
| Harris County, TX (Houston) | 186 |
| Clark County, NV (Las Vegas) | 180 |
| Orange County, CA (Anaheim) | 157 |
| Collin County, TX (Plano) | 157 |
| San Diego County, CA (San Diego) | 155 |
| Utah County, UT (Provo) | 145 |
Frequently asked questions
Where do people moving to Castle Rock come from?
Most people moving into Douglas County, CO come from nearby counties, led by Arapahoe County, CO (6,819 people). The biggest source more than 100 miles away is Maricopa County, AZ.
Where do people leaving Castle Rock move to?
The top destination is Arapahoe County, CO (4,313 people). Farther away, the most popular is Maricopa County, AZ.
Are more people moving to Castle Rock or leaving?
Between the 2022 and 2023 tax years, 30,288 people moved into Douglas County, CO from elsewhere in the US and 24,781 moved out, a net gain of 5,507 (IRS data, not counting moves from abroad).
Thinking about the move yourself? Compare Castle Rock with any city it trades people with, like Castle Rock vs Phoenix, Castle Rock vs Los Angeles, Castle Rock vs Anaheim, Castle Rock vs Houston.
Source: IRS Statistics of Income, county-to-county migration data for filing years 2022 to 2023, the latest available. Counts are people (the number of personal exemptions, which the IRS uses to approximate individuals): tax filers plus dependents whose address moved to a different county between the two filing years. People who do not file returns are not counted, and the IRS hides very small flows to protect privacy. Figures are for the whole county, not just the city of Castle Rock.