County
Boulder County, CO
In the IRS's 2022–2023 Statistics of Income migration data, Boulder County, CO recorded 9,729 households (13,980 people) moving in and 10,567 households (14,913 people) moving out — a net lost of 838 households and $77.30M in reported adjusted gross income.
The single largest recorded source of newcomers was Denver County, CO: 1,036 households (1,376 people) moved from there, representing $134.55M in reported income.
At the state level, no state sent more newcomers into Boulder County, CO than California, which accounted for 983 households and $143.25M in reported AGI.
Inbound (reported)
$1.01B
9,729 households · 13,980 people
Outbound (reported)
$931.79M
10,567 households · 14,913 people
Net (reported)
$77.30M
-838 households · -933 people
States sending newcomers
Shaded by reported AGI coming from each state. Hover a state for numbers. County-to-county detail below.
Top origin counties
| County | Households | People | Reported AGI |
|---|---|---|---|
| Denver County, CO | 1,036 | 1,376 | $134.55M |
| Adams County, CO | 745 | 1,143 | $75.25M |
| Jefferson County, CO | 813 | 1,103 | $69.64M |
| Broomfield County, CO | 671 | 987 | $66.74M |
| Weld County, CO | 848 | 1,446 | $55.43M |
| Larimer County, CO | 742 | 1,040 | $53.35M |
| Cook County, IL | 183 | 274 | $38.85M |
| San Francisco County, CA | 77 | 107 | $27.06M |
| Arapahoe County, CO | 341 | 471 | $24.24M |
| Los Angeles County, CA | 230 | 303 | $23.27M |
| Santa Clara County, CA | 105 | 172 | $22.14M |
| Travis County, TX | 131 | 207 | $20.40M |
| King County, WA | 137 | 195 | $19.09M |
| San Diego County, CA | 156 | 211 | $17.57M |
| Douglas County, CO | 179 | 260 | $16.93M |
| Maricopa County, AZ | 147 | 212 | $14.00M |
| New York County, NY | 82 | 104 | $13.23M |
| Harris County, TX | 84 | 129 | $13.07M |
| El Paso County, CO | 190 | 285 | $13.05M |
| San Mateo County, CA | 45 | 85 | $11.09M |
“Where newcomers came from” excludes moves within Boulder County, CO itself. Switch to outbound to see the other direction.