Where records are thin in Ohio
How many records of all species each county has, 2016 to 2025. Fewer records mean less is known about a county, not that fewer species live there. Results there are more often withheld for too few records.
- No records yet (0)
- Fewer records (under half the typical county) (24)
- About typical (half to twice) (36)
- Most records (over twice the typical county) (28)
Counties with the fewest records
- Paulding County633 records
- Putnam County667 records
- Van Wert County716 records
- Henry County854 records
- Defiance County1,146 records
- Mercer County1,163 records
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Every county’s records
| County | Records | Compared with the typical county |
|---|---|---|
| Paulding County | 633 | Fewer records (under half the typical county) |
| Putnam County | 667 | Fewer records (under half the typical county) |
| Van Wert County | 716 | Fewer records (under half the typical county) |
| Henry County | 854 | Fewer records (under half the typical county) |
| Defiance County | 1,146 | Fewer records (under half the typical county) |
| Mercer County | 1,163 | Fewer records (under half the typical county) |
| Auglaize County | 1,337 | Fewer records (under half the typical county) |
| Fayette County | 1,380 | Fewer records (under half the typical county) |
| Fulton County | 1,417 | Fewer records (under half the typical county) |
| Monroe County | 1,432 | Fewer records (under half the typical county) |
| Williams County | 1,505 | Fewer records (under half the typical county) |
| Noble County | 1,602 | Fewer records (under half the typical county) |
| Huron County | 1,625 | Fewer records (under half the typical county) |
| Shelby County | 1,635 | Fewer records (under half the typical county) |
| Meigs County | 1,712 | Fewer records (under half the typical county) |
| Brown County | 1,822 | Fewer records (under half the typical county) |
| Carroll County | 2,087 | Fewer records (under half the typical county) |
| Jackson County | 2,167 | Fewer records (under half the typical county) |
| Guernsey County | 2,253 | Fewer records (under half the typical county) |
| Morgan County | 2,258 | Fewer records (under half the typical county) |
| Clinton County | 2,264 | Fewer records (under half the typical county) |
| Sandusky County | 2,287 | Fewer records (under half the typical county) |
| Perry County | 2,569 | Fewer records (under half the typical county) |
| Gallia County | 2,598 | Fewer records (under half the typical county) |
| Belmont County | 2,624 | About typical (half to twice) |
| Marion County | 2,657 | About typical (half to twice) |
| Jefferson County | 2,766 | About typical (half to twice) |
| Pike County | 2,947 | About typical (half to twice) |
| Lawrence County | 3,025 | About typical (half to twice) |
| Union County | 3,325 | About typical (half to twice) |
| Preble County | 3,526 | About typical (half to twice) |
| Hardin County | 3,535 | About typical (half to twice) |
| Seneca County | 3,598 | About typical (half to twice) |
| Wyandot County | 3,609 | About typical (half to twice) |
| Pickaway County | 3,716 | About typical (half to twice) |
| Washington County | 3,860 | About typical (half to twice) |
| Vinton County | 3,944 | About typical (half to twice) |
| Ross County | 3,980 | About typical (half to twice) |
| Muskingum County | 4,034 | About typical (half to twice) |
| Tuscarawas County | 4,037 | About typical (half to twice) |
| Harrison County | 4,086 | About typical (half to twice) |
| Morrow County | 4,150 | About typical (half to twice) |
| Holmes County | 4,412 | About typical (half to twice) |
| Madison County | 4,932 | About typical (half to twice) |
| Crawford County | 5,228 | About typical (half to twice) |
| Darke County | 5,540 | About typical (half to twice) |
| Coshocton County | 5,546 | About typical (half to twice) |
| Miami County | 5,564 | About typical (half to twice) |
| Columbiana County | 5,719 | About typical (half to twice) |
| Allen County | 6,130 | About typical (half to twice) |
| Knox County | 6,463 | About typical (half to twice) |
| Trumbull County | 6,709 | About typical (half to twice) |
| Ashland County | 7,008 | About typical (half to twice) |
| Logan County | 7,996 | About typical (half to twice) |
| Mahoning County | 8,408 | About typical (half to twice) |
| Clark County | 8,892 | About typical (half to twice) |
| Scioto County | 9,077 | About typical (half to twice) |
| Hancock County | 9,325 | About typical (half to twice) |
| Richland County | 9,687 | About typical (half to twice) |
| Highland County | 10,373 | About typical (half to twice) |
| Fairfield County | 10,892 | Most records (over twice the typical county) |
| Champaign County | 11,938 | Most records (over twice the typical county) |
| Adams County | 12,200 | Most records (over twice the typical county) |
| Wood County | 12,798 | Most records (over twice the typical county) |
| Ashtabula County | 12,822 | Most records (over twice the typical county) |
| Ottawa County | 13,333 | Most records (over twice the typical county) |
| Erie County | 14,434 | Most records (over twice the typical county) |
| Licking County | 15,841 | Most records (over twice the typical county) |
| Wayne County | 15,874 | Most records (over twice the typical county) |
| Warren County | 16,872 | Most records (over twice the typical county) |
| Hocking County | 17,716 | Most records (over twice the typical county) |
| Geauga County | 18,220 | Most records (over twice the typical county) |
| Delaware County | 21,087 | Most records (over twice the typical county) |
| Medina County | 24,971 | Most records (over twice the typical county) |
| Clermont County | 25,341 | Most records (over twice the typical county) |
| Lorain County | 26,475 | Most records (over twice the typical county) |
| Lake County | 29,200 | Most records (over twice the typical county) |
| Greene County | 31,407 | Most records (over twice the typical county) |
| Portage County | 31,804 | Most records (over twice the typical county) |
| Butler County | 32,485 | Most records (over twice the typical county) |
| Stark County | 33,891 | Most records (over twice the typical county) |
| Montgomery County | 33,949 | Most records (over twice the typical county) |
| Athens County | 51,499 | Most records (over twice the typical county) |
| Lucas County | 60,335 | Most records (over twice the typical county) |
| Hamilton County | 87,019 | Most records (over twice the typical county) |
| Cuyahoga County | 92,154 | Most records (over twice the typical county) |
| Franklin County | 95,840 | Most records (over twice the typical county) |
| Summit County | 106,876 | Most records (over twice the typical county) |