Summerfield Flag

Summerfield

County Seat:
No
Area (mi²):
0.513
State:
Illinois

Summerfield is a village located in St. Clair County, Illinois. Summerfield has a 2026 population of 325. Summerfield is currently declining at a rate of -0.91% annually and its population has decreased by -5.25% since the most recent census, which recorded a population of 343 in 2020.

The median household income in Summerfield is $51,944 with a poverty rate of 14.92%. The median age in Summerfield is 46.5 years: 40.4 years for males, and 49.1 years for females. For every 100 females there are 95.3 males.

325
Total Population
634
Density (mi²)
-3 -0.91%
Growth

Summerfield Population

Summerfield Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026325-3-0.91%
2025328-3-0.91%
2024331-2-0.6%
2023333-2-0.6%
2022335-4-1.18%
2021339-4-1.17%
2020343-1-0.29%
2019395-7-1.74%
2018402-1-0.25%
2017403-4-0.98%
2016407-3-0.73%
2015410-4-0.97%
2014414-4-0.96%
2013418-4-0.95%
2012422-5-1.17%
2011427-24-5.32%
201043100%

Median Age

Overall: 46.5 years
Female: 49.1 years
Male: 40.4 years

Summerfield Adults

There are 209 adults, (59 of whom are seniors) in Summerfield.

Sex Ratio

Female: 127 (51.2%)
Male: 121 (48.8%)

Demographics

The racial composition of Summerfield includes 94.76% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White23594.76%
Two or more races114.44%
Other race20.81%
Race
Population ↓
Percentage (of total)
Two or more races41.61%
Other race20.81%
Race
Population ↓
Percentage (of total)
White23594.76%
Two or more races72.82%

Summerfield Marital Status

Economics and Income Statistics

Summerfield 's average per capita income is $45,179. Household income levels show a median of $51,944. The poverty rate stands at 14.92%.

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$60,625-
Households$51,944$65,136
Families$51,875$71,227
Non Families$50,893$53,774

$45,179

Average Income

$51,944

Median Household Income

14.92%

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)