The Town Files

Sycamore, Illinois

City in DeKalb County · population 18,577 (2020 Census)

Map: where Sycamore is in IllinoisSycamore
Median home
$265,700
Household income
$84,120
Jan low / Jul high
13° / 83°
Snow a year
39 in
Tornadoes ≤10 mi since 1950
20
Median age
36.1

Sycamore is a city of 18,577 people in DeKalb County, Illinois. The median home is worth $265,700, above the typical Illinois town ($156,600). It ranks better for first-time buyers than 94% of Illinois towns, better for cycling than 92% of Illinois towns, better for young professionals than 89% of Illinois towns.

How Sycamore ranks

Percentile among Illinois towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Illinois towns.

Sycamore lifestyle rankings vs other Illinois townsRetirement40th pctFamilies25th pctQuiet15th pctWalkability67th pctFirst-time buyers94th pctYoung professionals89th pctVibrancy67th pctHip & trendy85th pctCollege town83rd pctUpscale80th pctVacation homesbottomSeaside characterbottomCycling92nd pctTransit74th pctDriving38th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Sycamore is worth $265,700, above the typical Illinois town ($156,600). Homes cost about 3.2 times the median household income of $84,120, which is more affordable than 17% of Illinois towns. Median rent is $1,140 a month. 71.6% of households own their home.

Sycamore vs DeKalb County vs typical Illinois townSycamoreDeKalb CountyTypical Illinois townHome value$265,700$243,600$156,600Household income$84,120$70,724$72,500Monthly rent$1,140$1,049$960
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Illinois towns with 500+ people.
HousingSycamoreTypical Illinois town
Median home value$265,700$156,600
Median rent$1,140$960
Median household income$84,120$72,500
Home value ÷ income3.2×2.2×
Homeownership71.6%76.6%
Median year built19931967
Seasonal / vacation homes1.9%—

Who lives in Sycamore

PeopleSycamoreTypical Illinois town
Median age36.140.4
Age 65 and over13.2%18.7%
Under 1823.5%—
Bachelor's degree or higher46.0%21.8%
Below the poverty line8.1%9.9%
Veterans5.7%—
Born outside the U.S.6.1%—
Work from home13.4%8.9%
Average commute26.3 min26.1 min
Homes with broadband96.5%90.4%

Weather in Sycamore

July highs average 83.1°F and January lows 13.1°F. About 37.2 inches of rain and melted snow fall a year, with 38.9 inches of snow (typical Illinois town: 24.2 in). Expect about 13 days a year at 90°F or hotter and 141 nights at or below freezing.

Sycamore monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing28°13°Jan33°17°Feb45°27°Mar59°37°Apr70°49°May80°60°Jun83°63°Jul81°61°Aug75°53°Sep62°41°Oct46°30°Nov34°19°DecPrecipitation (in) · snow (in) in blue1.710.41.710.62.24.53.61.54.84.64.04.13.33.00.12.32.22.09.6
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the De Kalb station (6.6 mi away); snow from Genoa 2Sw (5.6 mi).

Tornadoes, storms and disasters

20 tornadoes have passed within 10 miles of Sycamore since 1950, compared with 27 for the typical Illinois town. 1 rated (E)F2 or stronger. The strongest, an F2, struck on June 18, 1975 about 4.4 miles from the town center. The most recent was on June 10, 2026.

Tornadoes within 10 miles of Sycamore by decade11950s11960s21970s21980s01990s02000s02010s142020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 35 times; the largest was 2.75 inches on May 12, 1998.

Severe weather in DeKalb County since 1996

Storm events in DeKalb County since 1996 by typeHail77Flood21Drought16Tornado23High Wind22Heavy Snow10Flash Flood29Winter Storm33
NOAA Storm Events Database, DeKalb County, 1996–2026 (all event types recorded since 1996). 3 deaths recorded.

DeKalb County has been included in 12 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.

DeclaredIncidentDeclaration
March 26, 2020BiologicalDR-4489: Covid-19 Pandemic
March 13, 2020BiologicalEM-3435: Covid-19
May 10, 2013FloodDR-4116: Severe Storms, Straight-Line Winds, And Flooding
March 17, 2011SnowstormDR-1960: Severe Winter Storm And Snowstorm
October 3, 2008Severe StormDR-1800: Severe Storms And Flooding

Jobs and pay in DeKalb County

DeKalb County had 36,272 jobs in 2024, paying an average of $56,896 a year. Unemployment was 4.7% in 2023; in Sycamore itself the ACS puts it at 3%.

Largest industries in DeKalb CountyRetail5,317 jobs · $38,109Health care & social assistan…5,124 jobs · $62,625Manufacturing3,364 jobs · $69,749Hotels & restaurants2,863 jobs · $21,467Construction2,024 jobs · $90,032Other services1,241 jobs · $35,257
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in DeKalb County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023DeKalb 4.7%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Sycamore

7 public schools with 3,665 students, about 14.2 students per teacher.

SchoolGradesStudentsPer teacher
Sycamore High School9-121,19016.1
Sycamore Middle School6-883613.3
North Grove Elementary SchoolK-542413.7
South Prairie Elementary SchoolPK-536713.6
Southeast Elem SchoolK-530313.2
North Elementary SchoolK-529114.6
West Elem SchoolK-525412.1

Towns near Sycamore

Sycamore questions

Is Sycamore, Illinois a good place to retire?

On The Town Files lifestyle rankings, Sycamore scores better for retirees than 40% of Illinois towns and quieter than 15%. 13.2% of residents are 65 or older (median age 36.1).

How much does a house cost in Sycamore?

The median owner-occupied home in Sycamore is valued at $265,700 (Census ACS 2020–2024), against a median household income of $84,120, so homes cost about 3.2 times income. Median rent is $1,140 a month.

What is the weather like in Sycamore?

July highs average 83.1°F and January lows 13.1°F (NOAA 1991–2020 normals). It gets about 37.2 inches of precipitation a year and 38.9 inches of snow.

Does Sycamore get tornadoes?

20 tornadoes have passed within 10 miles of Sycamore since 1950 (NOAA Storm Events); the strongest was a F2 on June 18, 1975. The typical Illinois town has had 27.

How this page is made. Every number comes from public data, matched to Sycamore's Census boundary (GEOID 1774223). Comparisons use the median of Illinois towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-12.