Ohio · Census place 3958982

Ottawa, Ohio

Ottawa is a village in Putnam County, Ohio with an estimated 4,422 residents on July 1, 2024. It is the 274th largest of 526 incorporated places of 1,000+ people in the state.

Population 2024
4,422
#274 of 526 in Ohio
Change since 2020
-0.9%
-40 people
Land area
4.6 sq mi
+ 0.07 sq mi water
Density
972 / sq mi
State median 2,000
Orange pin: Ottawa. Shaded: its county. Dark pin: Columbus.

Ottawa population, 2020 to 2024

Ottawa lost 40 residents from July 2020 to July 2024, a change of -0.9%. In the latest year it moved by -10.

4,46220204,45020214,44020224,43220234,4222024
July 1 estimates. The April 2020 estimates base was 4,468. The axis starts above zero so yearly changes are visible.

Ottawa covers 4.55 square miles of land and 0.07 of water, for 972 people per square mile of land. The median Ohio place of 5,000+ has 2,000, so Ottawa is less dense than the typical town.

What county Ottawa is in

All of Ottawa's residents live in Putnam County, which had 34,206 residents in 2024. Ottawa holds 12.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Ottawa

1 ZIP Code Tabulation Area (ZCTA) overlaps Ottawa by at least 10% of the ZCTA's or the village's land: 45875. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Ottawa is

The Census internal point of Ottawa is at 41.019800, -84.035300. Columbus, the capital, is 91.1 miles SE in a straight line. The nearest larger place is Lima, OH (34,690 people), 19.7 miles away. The nearest city of 100,000 or more is Toledo, OH, 50.3 miles away.

Internal point

Decimal
41.019800, -84.035300
DMS
41°01'11.28"N 84°02'7.08"W
UTM
16N 749276.8E 4545189.9N
Geohash
dpk1rerme
Plus code
86HQ2X97+WV

Daylight in Ottawa

At 41.02° N, Ottawa gets about 15 h 08 min of daylight around the June solstice and 9 h 13 min around the December solstice, a swing of 5 h 55 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Ottawa

The eight nearest incorporated places of 1,000+ in Ohio, measured between internal points. The closest is Pandora, 6.7 miles away, with 1,186 people.

Questions people ask

What is the population of Ottawa, OH?

4,422 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 40 (0.9%) from 4,462 in July 2020.

What county is Ottawa in?

Putnam County. All of its residents live in that county.

What ZIP codes cover Ottawa?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 45875.

How far is Ottawa from Columbus?

91.1 miles (146.6 km) in a straight line, heading SE from Ottawa.

What is the nearest larger city to Ottawa?

Lima, OH, with 34,690 residents, 19.7 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.