Market insights · Colorado
Jefferson County, CO: growth, migration and housing
Jefferson County has 580,451 residents, down 0.5% since 2020 (+0.0% in the last year). In 2022–2023, 28,132 households moved in and 26,341 moved out (+1,791 net), bringing in a net $160.2M of income. Median household income is $110,656, the median home $637,600 and median rent $1,861 a month.
In Colorado: 43rd of 64 counties for 5-year population growth · 16th of 60 counties for net in-migration (per resident) · 4th of 64 counties for median household income · 12th of 64 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Jefferson County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Denver County, CO | 7,255 | $696.8M |
| Adams County, CO | 2,833 | $182.0M |
| Arapahoe County, CO | 2,515 | $193.3M |
| Boulder County, CO | 1,060 | $89.8M |
| Douglas County, CO | 1,050 | $87.7M |
| Broomfield County, CO | 632 | $49.3M |
| Larimer County, CO | 470 | $32.1M |
| El Paso County, CO | 463 | $28.7M |
Where leavers went
Top counties by households leaving Jefferson County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Denver County, CO | 5,051 | $376.4M |
| Adams County, CO | 3,327 | $223.6M |
| Arapahoe County, CO | 2,398 | $162.3M |
| Douglas County, CO | 1,540 | $172.1M |
| Boulder County, CO | 813 | $69.6M |
| Broomfield County, CO | 679 | $53.4M |
| Weld County, CO | 603 | $51.2M |
| Larimer County, CO | 546 | $40.6M |
BizyFi in Jefferson County
21 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Colorado companies.
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.