Ottawa

County in Ohio

County

The population development of Ottawa.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Ottawa	County	40,029	40,985	41,428	40,361	39,692	→
Ohio	State	10,847,115	11,353,140	11,536,504	11,799,453	11,883,304

Contents: Incorporated Places

The population development of the incorporated places in Ottawa.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Clay Center	Village	Ottawa	326	324	274	260	248	→
Elmore	Village	Ottawa / Sandusky	1,400	1,354	1,461	1,402	1,371	→
Genoa	Village	Ottawa	2,456	2,397	2,333	2,229	2,186	→
Marblehead	Village	Ottawa	894	839	890	850	835	→
Oak Harbor	Village	Ottawa	2,733	2,798	2,751	2,824	2,790	→
Port Clinton	City	Ottawa	7,083	6,382	6,349	6,025	5,915	→
Put-in-Bay	Village	Ottawa	174	129	145	155	152	→
Rocky Ridge	Village	Ottawa	425	395	414	311	306	→

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	19,959
Females	20,405

Age Groups (C 2020)
0-17 years	7,425
18-64 years	22,390
65+ years	10,549

Age Distribution (C 2020)
80+ years	2,289
70-79 years	4,778
60-69 years	7,141
50-59 years	5,992
40-49 years	4,471
30-39 years	4,013
20-29 years	3,440
10-19 years	4,590
0-9 years	3,650

Urbanization (C 2020)
Rural	25,214
Urban	15,150

»Race« (C 2020)
White	37,275
Black/African American	358
Indigenous	78
Asian	174
Pacific Islander	7
Some other	482
2 or more	1,990

Ethnicity (C 2020)
Hispanic or Latino	2,059
Other	38,305