Census place 1774223

Sycamore

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Sycamore city

Relocation snapshot

What stands out in Sycamore.

According to the 2025 estimate, Sycamore has a population of 19,083 and 1,884 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 225 covered Illinois places are: population density is 1,884/sq mi, below the comparison median of 2,707/sq mi; median gross rent is $1,140, below the comparison median of $1,347; and median household income is $84,120, below the comparison median of $90,282. These unweighted medians compare covered Census places and are not statewide estimates.

population density
1,884/sq mi
Below the comparison median of 2,707/sq mi
median gross rent
$1,140
Below the comparison median of $1,347
median household income
$84,120
Below the comparison median of $90,282

National context

Follow the metrics.

Compare Sycamore's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
19,083
2025 estimate
Annual change
+1.2%
Population estimate
Density
1,884/sq mi
10.1 sq mi land area
Median age
36.1 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$84,120
Median home value
$265,700
Median gross rent
$1,140
Bachelor’s degree or higher
46%
Typical commute
26.3 min
Drive-alone commute
76.5%
Public transit commute
1%
Walked to work
1.8%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
28.4%
Renters paying 30%+ of income
32.5%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
69.9%
Unemployed residents 16+
2.2%
Working from home
13.4%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
96.5%
Homes built 2020+
1.4%
Households without a vehicle
4.5%
Households with children
31%
Residents with a disability
9.9%
Residents without insurance
2.3%

Environmental context

A record of declared events.

FEMA declarations for DeKalb County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
6
Severe Storm declarations
2
Snowstorm declarations
2
Flood declarations
1

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: SHABBONA 5 NNE (14 mi from place center)
Average high
57.7°F
Average low
37.9°F
Annual rainfall
37.4"
Annual snowfall
0"

Month by month

A year in Sycamore.

Typical high and low °F
0°F20°F40°F60°F80°F100°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Onalaska, WI

Population, housing, work, and travel data for this Census place.

Population
20,297
Median home
$288,900

Matteson, IL

Population, housing, work, and travel data for this Census place.

Population
18,543
Median home
$250,600

Bourbonnais, IL

Population, housing, work, and travel data for this Census place.

Population
17,658
Median home
$253,100

Keep exploring

Compare Sycamore with Onalaska