Hamilton County
Ecoregions: Southern Great Lakes forests (53%) and Interior Plateau US Hardwood Forests (47%)
Temperate Broadleaf & Mixed Forests. Shares of the land area. Ecoregions: RESOLVE Ecoregions 2017 (Dinerstein et al. 2017) (opens in a new tab), CC BY 4.0 (opens in a new tab)
Watersheds: Little Miami, Lower Great Miami, Indiana, Ohio, Middle Ohio-Laughery and Whitewater
Park: Great Parks of Hamilton County
City and suburbs: Cincinnati
Land cover: developed 68%, forest 24%, farmland 8%
Elevation: 450 to 1,070 ft, mostly around 730 ft (138–326 m)
Land cover as shares of the land area. Land cover: USGS Annual NLCD, 2025 (opens in a new tab). Elevation: USGS 3D Elevation Program (opens in a new tab)
Warmth so far: Not available yet.
- species with a result
- 816
- records, 2016 to 2025
- 87,019
Hamilton County at a glance
Darker weeks have more of a group's species recorded. Shows when people recorded them, not how common they are.
The grey bars show how many records of all species were made here each week, so you can see when recording itself was high or low.
Every species recorded here
922 species
Amphibians 8








Bees, wasps and ants 41








































Showing 48 of 922
More lists for Hamilton County
Missing records do not mean a species is absent. Back to the Ohio map