How to use this list
Counties are sorted alphabetically. Use ZIP count and population to spot larger counties, then open a county for its ZIP roster and income/housing averages.
Ohio counties
88 counties · 1,233 ZIP codes · population 11,780,046 . Select a county to open its ZIP table and local summary.
Related pages
Also see the Ohio overview, cities, rankings, and congressional districts.
| County | ZIP codes | Population | Avg. income |
|---|---|---|---|
| Adams County | 10 | 32,903 | $54,597 |
| Allen County | 13 | 109,060 | $67,722 |
| Ashland County | 9 | 50,932 | $68,270 |
| Ashtabula County | 15 | 97,617 | $62,431 |
| Athens County | 14 | 52,918 | $55,967 |
| Auglaize County | 10 | 45,420 | $93,027 |
| Belmont County | 23 | 64,306 | $64,719 |
| Brown County | 11 | 38,765 | $73,412 |
| Butler County | 14 | 386,077 | $80,372 |
| Carroll County | 12 | 37,550 | $63,380 |
| Champaign County | 10 | 37,529 | $77,291 |
| Clark County | 16 | 134,978 | $67,059 |
| Clermont County | 16 | 219,586 | $78,264 |
| Clinton County | 9 | 46,911 | $69,097 |
| Columbiana County | 19 | 103,294 | $69,176 |
| Coshocton County | 9 | 33,455 | $51,456 |
| Crawford County | 7 | 27,336 | $57,138 |
| Cuyahoga County | 52 | 1,255,224 | $69,531 |
| Darke County | 16 | 52,181 | $75,045 |
| Defiance County | 8 | 37,898 | $77,363 |
| Delaware County | 10 | 218,300 | $129,280 |
| Erie County | 7 | 78,232 | $78,854 |
| Fairfield County | 14 | 186,676 | $85,884 |
| Fayette County | 4 | 25,687 | $55,032 |
| Franklin County | 43 | 1,312,166 | $74,438 |
| Fulton County | 8 | 47,048 | $77,279 |
| Gallia County | 7 | 29,277 | $58,701 |
| Geauga County | 11 | 90,510 | $91,260 |
| Greene County | 17 | 203,047 | $89,872 |
| Guernsey County | 13 | 37,522 | $62,760 |
| Hamilton County | 54 | 839,382 | $74,106 |
| Hancock County | 12 | 68,905 | $88,004 |
| Hardin County | 10 | 33,665 | $62,697 |
| Harrison County | 9 | 13,613 | $65,068 |
| Henry County | 11 | 27,552 | $77,753 |
| Highland County | 7 | 42,931 | $67,442 |
| Hocking County | 9 | 34,843 | $56,943 |
| Holmes County | 15 | 48,573 | $71,284 |
| Huron County | 11 | 72,318 | $68,163 |
| Jackson County | 5 | 32,540 | $56,130 |
| Jefferson County | 20 | 66,081 | $56,116 |
| Knox County | 8 | 63,297 | $76,415 |
| Lake County | 8 | 231,877 | $77,679 |
| Lawrence County | 9 | 57,224 | $49,312 |
| Licking County | 17 | 163,114 | $97,255 |
| Logan County | 13 | 44,663 | $82,871 |
| Lorain County | 15 | 305,041 | $78,579 |
| Lucas County | 26 | 424,963 | $70,903 |
| Madison County | 7 | 56,187 | $88,164 |
| Mahoning County | 28 | 225,453 | $54,149 |
| Marion County | 8 | 65,372 | $70,240 |
| Medina County | 13 | 181,928 | $95,468 |
| Meigs County | 13 | 25,952 | $51,484 |
| Mercer County | 10 | 42,487 | $83,112 |
| Miami County | 11 | 104,887 | $78,934 |
| Monroe County | 10 | 13,217 | $59,089 |
| Montgomery County | 32 | 506,915 | $65,961 |
| Morgan County | 5 | 14,527 | $53,637 |
| Morrow County | 10 | 46,040 | $64,190 |
| Muskingum County | 17 | 91,481 | $70,962 |
| Noble County | 8 | 14,053 | $49,709 |
| Ottawa County | 15 | 38,091 | $84,302 |
| Paulding County | 10 | 18,056 | $76,851 |
| Perry County | 11 | 38,457 | $68,028 |
| Pickaway County | 9 | 59,952 | $78,142 |
| Pike County | 6 | 24,348 | $47,435 |
| Portage County | 15 | 170,806 | $78,245 |
| Preble County | 11 | 40,309 | $71,595 |
| Putnam County | 13 | 35,752 | $78,687 |
| Richland County | 12 | 125,843 | $62,460 |
| Ross County | 9 | 75,517 | $61,314 |
| Sandusky County | 8 | 51,886 | $66,100 |
| Scioto County | 14 | 73,477 | $54,087 |
| Seneca County | 14 | 60,737 | $66,203 |
| Shelby County | 11 | 45,744 | $76,237 |
| Stark County | 31 | 359,069 | $63,329 |
| Summit County | 34 | 541,846 | $73,908 |
| Trumbull County | 25 | 193,859 | $62,974 |
| Tuscarawas County | 17 | 92,969 | $65,813 |
| Union County | 8 | 50,217 | $88,729 |
| Van Wert County | 8 | 24,034 | $66,501 |
| Vinton County | 8 | 13,172 | $54,193 |
| Warren County | 12 | 227,646 | $103,830 |
| Washington County | 15 | 57,462 | $67,563 |
| Wayne County | 14 | 117,149 | $73,647 |
| Williams County | 10 | 37,804 | $66,674 |
| Wood County | 28 | 132,131 | $72,430 |
| Wyandot County | 7 | 22,227 | $63,010 |
Frequently asked questions
- How many counties are listed for Ohio?
- US5 currently lists 88 counties with published ZIP coverage in Ohio. Counts can change as geography publishes update.
- What happens when I open a county?
- Each county page shows ZIP totals, income and housing averages, and a ZIP table. From there you can open any ZIP for a full demographics dashboard.