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Market insights · Ohio

Montgomery County, OH: growth, migration and housing

Montgomery County has 539,598 residents, up 0.5% since 2020 (+0.5% in the last year). In 2022–2023, 12,654 households moved in and 13,047 moved out (-393 net), while a net $138.4M of income left. Median household income is $66,139, the median home $180,900 and median rent $1,026 a month.

Population (2025)539,598
5-year growth+0.5%
1-year growth+0.5%
Net households moving in-393
Per 1,000 residents-0.7
Net income moving in-$138.4M
Median household income$66,139
Median home value$180,900
Median rent$1,026/mo
Rent as share of income19%

In Ohio: 31st of 88 counties for 5-year population growth · 52nd of 88 counties for net in-migration (per resident) · 47th of 88 counties for median household income · 47th of 88 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Montgomery County, 2022–2023 (IRS).

FromHouseholds (tax returns)Their income (AGI)
Greene County, OH2,258$126.8M
Warren County, OH1,027$65.7M
Butler County, OH737$33.5M
Miami County, OH710$38.0M
Franklin County, OH520$27.4M
Clark County, OH483$21.4M
Hamilton County, OH468$23.5M
Preble County, OH210$10.5M

Where leavers went

Top counties by households leaving Montgomery County, 2022–2023 (IRS).

ToHouseholds (tax returns)Their income (AGI)
Greene County, OH2,215$124.5M
Warren County, OH1,040$100.0M
Miami County, OH889$60.3M
Franklin County, OH702$39.3M
Butler County, OH571$30.2M
Hamilton County, OH546$26.9M
Clark County, OH443$21.6M
Preble County, OH221$11.5M

BizyFi in Montgomery County

15 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Ohio companies.

← All Ohio counties · National rankings

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.