Jefferson County
Ecoregion: Appalachian mixed mesophytic forests
Temperate Broadleaf & Mixed Forests. Ecoregions: RESOLVE Ecoregions 2017 (Dinerstein et al. 2017) (opens in a new tab), CC BY 4.0 (opens in a new tab)
Watersheds: Upper Ohio and Upper Ohio-Wheeling
Land cover: forest 61%, farmland 23%, developed 14%
Elevation: 640 to 1,450 ft, mostly around 1,120 ft (196–441 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
- 19
- records, 2016 to 2025
- 2,766
Jefferson 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
246 species
Dragonflies and damselflies 19



















Within its mapped range 227
No qualifying county records yet, but its published range map covers the county.





























Showing 48 of 246
More lists for Jefferson County
Missing records do not mean a species is absent. Back to the Ohio map