Skip to content
CityAPI.ORG

OTTAWA

Illinois · UNITED STATES (US) · 41.35°N / 88.84°W

IL
ADM1 · ID GeoNames 4,905,006

Ottawa is a city in United States with a population of 18,342. It sits at 41.35/-88.84, runs on America/Chicago, is 5 km from Dayton.

Population 18,342
Place Type District Capital
Elevation 147m
Timezone America/Chicago

All facts

fields
Country
United States
Subdivision
Illinois
Coords
41.35°N / 88.84°W
UTC offset
-6
DST
Observed

Proximity

nearest 10 · within 50 km
NE Dayton Illinois 537 5.9 km
E Marseilles Illinois 4,963 11.4 km
S Grand Ridge Illinois 532 12.1 km
W Utica Illinois 977 14.0 km
W Deer Park Illinois 3,192 17.2 km
W Oglesby Illinois 3,647 19.0 km
E Seneca Illinois 2,292 19.9 km
W La Salle Illinois 9,609 20.9 km
SW Tonica Illinois 738 23.7 km
W Peru Illinois 9,952 24.1 km

Air access

nearby

FAQ

3 questions
What is the population of Ottawa?
18,342 people, per GeoNames.
Which timezone is Ottawa in?
America/Chicago.
Which country is Ottawa in?
United States (US).

Get this page as JSON

no auth
cURL 200 OK
$ curl https://api.cityapi.org/v1/cities/4905006

{
  "data": {
    "id": 4905006,
    "name": "Ottawa",
    "ascii_name": "Ottawa",
    "country_code": "US",
    "population": 18342,
    "elevation": 147,
    "timezone_id": "America/Chicago",
    "feature_class": "P",
    "feature_code": "PPLA2",
    "latitude": 41.34559,
    "longitude": -88.84258
  }
}
CITYAPI · STATION BERLIN/DE · DATUM/2026-04-23 · BUILT BY BROTCODE Terms · Privacy · Impressum ·