Market insights · Iowa
Linn County, IA: growth, migration and housing
Linn County has 232,028 residents, up 0.7% since 2020 (+0.7% in the last year). In 2022–2023, 4,935 households moved in and 5,000 moved out (-65 net), while a net $21.5M of income left. Median household income is $77,649, the median home $214,300 and median rent $945 a month.
In Iowa: 23rd of 99 counties for 5-year population growth · 27th of 99 counties for net in-migration (per resident) · 20th of 99 counties for median household income · 17th of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Linn County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Johnson County, IA | 743 | $48.9M |
| Benton County, IA | 263 | $15.0M |
| Black Hawk County, IA | 176 | $9.3M |
| Jones County, IA | 164 | $9.2M |
| Polk County, IA | 150 | $8.4M |
| Cook County, IL | 120 | $5.5M |
| Dubuque County, IA | 98 | $5.2M |
| Scott County, IA | 98 | $5.0M |
Where leavers went
Top counties by households leaving Linn County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Johnson County, IA | 639 | $36.2M |
| Benton County, IA | 302 | $18.0M |
| Polk County, IA | 253 | $13.5M |
| Jones County, IA | 154 | $10.2M |
| Black Hawk County, IA | 143 | $5.6M |
| Cook County, IL | 128 | $6.2M |
| Dubuque County, IA | 90 | $5.7M |
| Maricopa County, AZ | 81 | $6.1M |
BizyFi in Linn County
Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Iowa 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.