Market insights · Oklahoma
McClain County, OK: growth, migration and housing
McClain County has 49,647 residents, up 18.4% since 2020 (+2.3% in the last year). In 2022–2023, 1,937 households moved in and 1,586 moved out (+351 net), bringing in a net $28.7M of income. Median household income is $84,552, the median home $255,900 and median rent $954 a month.
In Oklahoma: 2nd of 77 counties for 5-year population growth · 5th of 76 counties for net in-migration (per resident) · 2nd of 77 counties for median household income · 1st of 77 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to McClain County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Cleveland County, OK | 590 | $41.8M |
| Oklahoma County, OK | 319 | $18.4M |
| Grady County, OK | 153 | $9.9M |
| Canadian County, OK | 118 | $9.7M |
| Garvin County, OK | 84 | $3.1M |
| Pottawatomie County, OK | 26 | $1.1M |
| Comanche County, OK | 25 | $1.4M |
| Pontotoc County, OK | 21 | $1.1M |
Where leavers went
Top counties by households leaving McClain County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Cleveland County, OK | 475 | $34.9M |
| Oklahoma County, OK | 216 | $10.8M |
| Grady County, OK | 212 | $16.2M |
| Canadian County, OK | 88 | $5.2M |
| Garvin County, OK | 81 | $3.4M |
| Pottawatomie County, OK | 34 | $2.8M |
BizyFi in McClain County
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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.