Browse / United States / Illinois / Cortland
Cortland
Illinoistown
Total population
4,564
Median home value
$233,200
Bachelor's+
Median income
$73,971
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Overview
Found in Illinois, United States, Cortland is classified as a town in public datasets. Located at 41.937°, -88.689°, Cortland occupies a temperate portion of the northern hemisphere. Around 4,564 people are recorded as living there in the most recent open data. It covers about 9.3 km² of land area. The latitude suggests four distinct seasons with warm summers and cold winters. Solar-resource estimates put the area at about 1,424 kWh/m² of solar irradiance per year with sunshine for roughly 56% of daylight hours. At 491 people per km², the town shows a medium-density urban fabric. Detailed open-data panels follow, covering demographics, climate, geography, wildlife and nearby settlements.
Summary composed automatically from structured open data on this page. See our Terms for details.
History & geography
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Cortland, IL from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- American RobinTurdus migratorius Linnaeus, 1766 · Aves4,254
- Red-winged BlackbirdAgelaius phoeniceus (Linnaeus, 1766) · Aves4,115
- Canada Goose (canadensis Group)Branta canadensis (Linnaeus, 1758) · Aves3,736
- Mourning DoveZenaida macroura (Linnaeus, 1758) · Aves3,598
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves3,578
- American GoldfinchSpinus tristis (Linnaeus, 1758) · Aves3,419
- Song SparrowMelospiza melodia (A.Wilson, 1810) · Aves3,293
- MallardAnas platyrhynchos Linnaeus, 1758 · Aves3,284
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Earthquake history
Most recent
- M 2.6 — 2025-03-156 km W of Dwight, Illinois
- M 3.1 — 2024-07-152 km WNW of Somonauk, Illinois
- M 3.6 — 2023-11-151 km SSW of Standard, Illinois
- M 2.9 — 2015-03-253 km WNW of Lake in the Hills, Illinois
- M 3.2 — 2013-11-041 km SSW of Lyons, Illinois
- M 2.6 — 2013-06-104 km NNE of Virgil, Illinois
Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).
Photos
Sights & places nearby
Notable people from here
Nearby places in Illinois
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Pageview totals from the Wikimedia Pageviews API.
Books about Cortland

Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Events
Gallery
Sources
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • USGS Earthquake Catalog (global feed)
- • GBIF (Global Biodiversity Information Facility)
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library