RANK #288 / 1001 NAT · #25 / 49 OH · POP 54,770
1YR FORECAST: +2.2%
5YR OUTLOOK: +32%
Tiffin, the county seat, anchors Seneca County, Ohio, a region known for its agricultural heritage and small-town character. Located in northwestern Ohio, Tiffin sits along the Sandusky River, roughly an hour's drive southeast of Toledo. The community offers a blend of historical sites, such as the Seneca County Museum, and educational institutions like Heidelberg University and Tiffin University. Outdoor enthusiasts can explore 12 parks with 25 miles of trails and over 900 acres of wilderness, including areas along the Sandusky River with ravines and diverse forests. Commute options within the county are primarily by car, though North Central Area Transit provides door-to-door service for local and out-of-county trips.
Life in Seneca County offers a community-oriented lifestyle with a lower cost of living compared to national averages. The public school districts in the county are generally well-regarded. The economy is driven by a mix of agriculture, manufacturing, healthcare, and education. Recent economic developments include investments in manufacturing, construction, and energy sectors, contributing to job creation and economic growth. These efforts aim to attract and retain residents, including families and workers, by addressing needs such as housing availability.
Seneca 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 +4.8% matches the profile's typical +4.9%.
See all 145 Heartland Steady Growth counties →Overvalued relative to economy
Harsh climate or flat terrain
Below national median (15x)
Housing looks overvalued at 8.9x — 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: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →
| PROJECT | AMOUNT | STATUS |
|---|---|---|
|
Manufacturing & Logistics Expansions (Various Companies)
American Plastics, National Machinery, Webster Industries, Frankart Electric, Kuzma Industries, Mennel Milling, National Spinning Co., POET Biorefining – Fostoria, Premier Industrial Machine, Carolina Nonwovens, Church & Dwight, Schreiner Manufacturing
|
$110M | Operating |
|
Amsden - Fremont Center 69 kV Battery Project
Undisclosed (PJM Interconnection Queue)
|
$105M | Planned |
|
Bascom 69 kV Solar Project
Undisclosed (PJM Interconnection Queue)
|
$50M | Planned |
|
Republic-Tiffin Area Improvements (Transmission Line)
AEP Ohio
|
$50M | Under Construction |
|
Affordable Homeownership Program (Tiffin & Fostoria)
Seneca County Collaborative, Seneca County Land Bank
|
$50M | Under Construction |
|
CR34/CR38 Roadway Safety and Pavement Marking Upgrades
Seneca County Engineer's Office
|
$50M | Under Construction |
Source: public records, news, corporate announcements. Amounts are estimates where noted.
Bars show percentile rank among all 1001 counties.
With a Boom Town Index score of 71/100, Seneca County sits in the upper half of all 1001 ranked counties. and median household income stands at $66,025 — indicators that suggest solid fundamentals even if it's not among the fastest-growing counties in OH.
By national standards, Seneca County is quite affordable. Homes here have a median value of $154,700, and the income-to-home-value ratio of 0.43 is well above the U.S. average — especially with median rent at just $856/month. Residents can generally buy a home without being cost-burdened.
Seneca County's job market is contracting (-2.1% YoY) while population is roughly stable (-0.2% change). Home values are +4.8% over the past 12 months. Hiring headwinds without an offsetting exodus — residents are staying, but local employers are shedding payroll.
There's a moderate stream of newcomers. About 4.39% of residents moved from another state, which is above average and suggests Seneca County has appeal as a relocation destination — though it's not among the highest-inflow counties nationally.