Sycamore Flag

Sycamore

County:
DeKalb County
County Seat:
No
Area (mi²):
10.122
State:
Illinois

Sycamore is a city located in DeKalb County, Illinois. Sycamore has a 2026 population of 19,114. Sycamore is currently growing at a rate of 0.38% annually and its population has increased by 2.35% since the most recent census, which recorded a population of 18,675 in 2020.

The median household income in Sycamore is $84,120 with a poverty rate of 8.14%. The median age in Sycamore is 36.1 years: 35.9 years for males, and 36.3 years for females. For every 100 females there are 92.8 males.

19.1K
Total Population
1,888
Density (mi²)
73 0.38%
Growth

Sycamore Population

Sycamore Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202619,114730.38%
202519,041730.38%
202418,9681310.7%
202318,837330.18%
202218,804260.14%
202118,7781030.55%
202018,675-10-0.05%
201918,3551961.08%
201818,1591050.58%
201718,0541350.75%
201617,9191430.8%
201517,776170.1%
201417,7591881.07%
201317,571660.38%
201217,505540.31%
201117,451-72-0.41%
201017,52340.02%
200012,0202,31223.82%
19909,7084895.3%
19809,2191,37617.54%
19707,84388212.67%
19606,9611,04917.74%
19505,9121,21025.73%
19404,70268116.94%
19304,02141911.63%
19203,602-324-8.25%
19103,9262737.47%
19003,65366622.3%
18902,987-41-1.35%
18803,02800%

Median Age

Overall: 36.1 years
Female: 36.3 years
Male: 35.9 years

Sycamore Adults

There are 14,197 adults, (2,459 of whom are seniors) in Sycamore.

Sex Ratio

Female: 9,625 (51.9%)
Male: 8,934 (48.1%)

Demographics

The racial composition of Sycamore includes 83.88% White, 4.4% other race, 3.2% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White15,56883.88%
Two or more races1,1626.26%
Other race8164.4%
Black or African American5933.2%
Asian3531.9%
Native American670.36%
Race
Population ↓
Percentage (of total)
Other race8094.36%
Two or more races6223.35%
White5643.04%
Native American670.36%
Black or African American290.16%
Race
Population ↓
Percentage (of total)
White15,00480.84%
Black or African American5643.04%
Two or more races5402.91%
Asian3531.9%
Other race70.04%

Sycamore Marital Status

Economics and Income Statistics

Sycamore 's average per capita income is $59,650. Household income levels show a median of $84,120. The poverty rate stands at 8.14%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$124,440-
Families$106,346$124,188
Households$84,120$107,817
Non Families$50,651$66,405

$59,650

Average Income

$84,120

Median Household Income

8.14%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)