RANK #488 / 1001 NAT · #25 / 49 OH · POP 110,296
1YR FORECAST: +2.4%
5YR OUTLOOK: +18%
Miami County, Ohio, distinguishes itself with its blend of small-town character and agricultural heritage, particularly evident in communities like Troy, the county seat. Located in west-central Ohio, it is part of the Dayton metropolitan area, offering residents a commute to Dayton that averages 22 minutes. The Great Miami River and other waterways wind through the area, providing scenic views and opportunities for outdoor recreation, including an extensive network of paved trails for biking and walking. The county maintains a strong community spirit, with many families having generational ties to the area.
Life in Miami County often appeals to families and those seeking a quieter environment, with public schools generally performing above average. The county's economy, historically rooted in agriculture, has diversified. While farming remains central to its identity, the area has seen growth in sectors such as food production, logistics, automotive, building products, and aerospace. This economic activity provides opportunities for residents, including those who may commute to nearby cities or work remotely.
Miami County is one of 145 U.S. counties in this market profile — weaker than typical on the BoomTown Index. Within this cohort, its recent home-price change of +2.8% runs below the profile's typical +4.9%.
See all 145 Heartland Steady Growth counties →Overvalued relative to economy
Above national median
Below-average climate & terrain
Below national median (15x)
Housing looks overvalued at 10.5x — home prices are high relative to local economic output. The typical U.S. county is 4–6x.
Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.
Bars show trailing 12-month growth. The dashed Forecast bars are the model's next-12-month projection; the whisker marks the ±1% range (cooling–accelerating).
Source: Redfin · Census BPS — Browse sales on Redfin →
Source: Homicide rates from CDC/NCHS vital-statistics mortality data — a multi-year average that stabilizes counts in smaller counties — compiled in the County Health Rankings 2025 release. Rates per 100,000 population; U.S. average ≈ 6.5. Grade reflects homicide rate relative to the national average. Learn more →
See where Miami County stands nationally: safest large counties in America · highest homicide-rate counties.
Source: EPA Air Quality System (2021–2023). Grade based on 3-year average median AQI. Learn about AQI →
| PROJECT | AMOUNT | STATUS |
|---|---|---|
|
Piqua Data Center Campus
Undisclosed (Enterprise Data Center)
|
$750M | Planned |
|
Sloopy Solar Energy Center
Undisclosed
|
$180M | Proposed |
|
ConAgra Foods Troy Facility Investment
ConAgra Foods
|
$65M | Operating |
Source: public records, news, corporate announcements. Amounts are estimates where noted.
Bars show percentile rank among all 1001 counties.
Miami County scores 51/100 on the Boom Town Index, landing in the middle of the pack among 1001 U.S. counties (#488). Median household income is $76,817 and job growth is running at +0.4%. The data points to a county with mixed signals — some positive indicators alongside areas that lag faster-growing peers.
Housing in Miami County is roughly in line with national affordability norms. The median home costs $229,100 and the income-to-home-value ratio sits at 0.34, with rents averaging $966/month. Not a bargain, but not a stretch for most local earners either.
Miami County's population is growing — up +0.7% YoY — while the job market is roughly flat (employment change of +0.4%). Home values shifted +2.8% over the past year. In-migration is outpacing local hiring, which often points to remote workers or retirees driving the headcount.
There's a moderate stream of newcomers. About 2.83% of residents moved from another state, which is above average and suggests Miami County has appeal as a relocation destination — though it's not among the highest-inflow counties nationally.