Ohio · Census place 3900198

Ada, Ohio

Ada is a village in Hardin County, Ohio with an estimated 5,293 residents on July 1, 2024. It is the 249th largest of 526 incorporated places of 1,000+ people in the state.

Population 2024
5,293
#249 of 526 in Ohio
Change since 2020
-0.7%
-36 people
Land area
2.1 sq mi
Density
2,485 / sq mi
State median 2,000
Orange pin: Ada. Shaded: its county. Dark pin: Columbus.

Ada population, 2020 to 2024

Ada lost 36 residents from July 2020 to July 2024, a change of -0.7%. In the latest year it moved by +0. Among 254 Ohio places of 5,000 or more, that growth ranks 140th; the median place changed by -0.4%. The median place of 5,000+ in Ohio has 13,905 people, so Ada is 38% of it.

5,32920205,16120215,24620225,29320235,2932024
July 1 estimates. The April 2020 estimates base was 5,324. The axis starts above zero so yearly changes are visible.

Ada covers 2.13 square miles of land, for 2,485 people per square mile of land. The median Ohio place of 5,000+ has 2,000, so Ada is denser than the typical town.

What county Ada is in

All of Ada's residents live in Hardin County, which had 30,402 residents in 2024. Ada holds 17.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Ada

1 ZIP Code Tabulation Area (ZCTA) overlaps Ada by at least 10% of the ZCTA's or the village's land: 45810. 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 Ada is

The Census internal point of Ada is at 40.768100, -83.825200. Columbus, the capital, is 70.6 miles SE in a straight line. The nearest larger place is Kenton, OH (7,857 people), 14.2 miles away. The nearest city of 100,000 or more is Toledo, OH, 63.2 miles away.

Internal point

Decimal
40.768100, -83.825200
DMS
40°46'5.16"N 83°49'30.72"W
UTM
17N 261551.1E 4516855.0N
Geohash
dphrut877
Plus code
86GRQ59F+6W

Daylight in Ada

At 40.77° N, Ada gets about 15 h 06 min of daylight around the June solstice and 9 h 15 min around the December solstice, a swing of 5 h 51 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Ada

The eight nearest incorporated places of 1,000+ in Ohio, measured between internal points. The closest is Bluffton, 9.2 miles away, with 3,881 people.

Questions people ask

What is the population of Ada, OH?

5,293 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 36 (0.7%) from 5,329 in July 2020.

What county is Ada in?

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

What ZIP codes cover Ada?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 45810.

How far is Ada from Columbus?

70.6 miles (113.6 km) in a straight line, heading SE from Ada.

What is the nearest larger city to Ada?

Kenton, OH, with 7,857 residents, 14.2 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.