Browse / United States / Illinois / Sycamore
Sycamore
Illinoiscity
Sycamore
Total population
18,559
Founded
1835
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Facts from Wikidata (CC0).
Overview
Sycamore is a city in DeKalb County, Illinois, United States. It has a commercial district based and centered on Illinois Route 64. The population was 18,577 at the 2020 census, up from 17,419 at the 2010 census. Sycamore is the county seat of DeKalb County and was named after the sycamore tree.
Read more on WikipediaHistory & geography
History
The first European settlers to the Sycamore-area arrived in 1835 and concentrated themselves mostly north of the Kishwaukee River (the name of which means sycamore) and the present site of Sycamore. The original town was platted by a New Yorker named Christian Sharer. A mill was constructed and the Kishwaukee dammed but the town failed. By 1837, after some controversy, the location of county seat was settled in favor of Orange, Sycamore's original name, and the settlement moved to the present-day site of the city. The present-day town site was platted by James Waterman and Evans Wharry in 1837 (the same year Chicago was founded). The first settler at the new site was Carlos Lattin, who preceded the town, having arrived in 1835. after the DeKalb County court intervened. When court convened the sheriff served a court order declaring Sycamore had built a Courthouse and that the Court session should be held there. In 1903, as the county prepared to construct a new courthouse, the debate over county seat was reignited. This time, it was the city of DeKalb that sought to wrest the title of county seat away from Sycamore. Two of DeKalb's most prominent citizens, Jacob Haish and Isaac L. Ellwood, each promised to donate $20,000 to help absorb some of the new building's cost. The city of Sycamore responded, raising funds of their own, and after some back and forth and legal wrangling, the issue was settled in Sycamore's favor. However, in April 2016, McCullough's conviction was overturned and he was released from prison after a post-conviction review of the evidence indicated that he could not have committed the crime. On the morning of February 10, 2010 at 3:59 a.m., Sycamore was near the epicenter of an earthquake. The shock had a moment magnitude of 3.8 and a maximum…
Geography
Sycamore is located along Illinois Route 64 (State Street in Sycamore) about southeast of Rockford and west-northwest of Chicago. It is along the south bank of the East Branch of the South Branch Kishwaukee River in DeKalb County. The terrain in Sycamore and the surrounding area is gently rolling and contains rich soil which was originally heavily forested. The commercial district of Sycamore is based on Illinois Route 64, and stretches about a mile down starting from the intersection of route 64 with Illinois Route 23 and ending at Center Cross Road. The district is composed of two-story shops, a bank, small movie theater, and former Midwest Museum of Natural History. The town also has the county courthouse, built in 1904, of limestone.
Excerpted from the corresponding Wikipedia article (CC BY-SA).
Demographics & economy
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Age-adjusted prevalence estimates from CDC PLACES (latest release).
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- American RobinTurdus migratorius Linnaeus, 1766 · Aves3,977
- Red-winged BlackbirdAgelaius phoeniceus (Linnaeus, 1766) · Aves3,773
- Canada Goose (canadensis Group)Branta canadensis (Linnaeus, 1758) · Aves3,324
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves3,225
- Mourning DoveZenaida macroura (Linnaeus, 1758) · Aves3,185
- American GoldfinchSpinus tristis (Linnaeus, 1758) · Aves3,118
- Song SparrowMelospiza melodia (A.Wilson, 1810) · Aves2,944
- MallardAnas platyrhynchos Linnaeus, 1758 · Aves2,885
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Earthquake history
Most recent
- 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
- M 3.8 — 2010-02-102 km NW of Lily Lake, Illinois
Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).
Photos
Sights & places nearby
Notable people from here
Nearby places in Illinois
- Burlington6.8 mi away · pop. 425
- Kirkland10.9 mi away · pop. 1,525
- Lily Lake10.9 mi away · pop. 1,293
- Hampshire12.1 mi away · pop. 8,524
- Elburn13.5 mi away · pop. 6,354
- Campton Hills13.8 mi away · pop. 10,877
- Kaneville13.9 mi away · pop. 523
- Pingree Grove13.9 mi away
- Marengo17.7 mi away
- Franklinville21 mi away
- Carpentersville21.5 mi away
- Cherry Valley22.4 mi away
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 Sycamore




Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species









Research-grade observations from iNaturalist (within ~15 mi).
Nearest stream gauge
Events
Gallery
Sources
- • Wikipedia
- • Wikidata
- • USGS Earthquake Catalog (global feed)
- • GBIF (Global Biodiversity Information Facility)
- • iNaturalist
- • CDC PLACES
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library