Guilford township Flag

Guilford township

County Seat:
No
Area (mi²):
37.11
State:
Illinois

Guilford township is located in Jo Daviess County, Illinois. Guilford township has a 2026 population of 1,483. Guilford township is currently declining at a rate of -0.87% annually and its population has decreased by -3.58% since the most recent census, which recorded a population of 1,538 in 2020.

The median household income in Guilford township is $115,647 with a poverty rate of 2.7%. The median age in Guilford township is 63.3 years: 65.1 years for males, and 61.8 years for females. For every 100 females there are 97.1 males.

1.5K
Total Population
40
Density (mi²)
-13 -0.87%
Growth

Guilford township Population

Guilford township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,483-13-0.87%
20251,496-13-0.86%
20241,509-13-0.85%
20231,522-4-0.26%
20221,526-9-0.59%
20211,535-3-0.2%
20201,53820.13%
20191,142-5-0.44%
20181,147-6-0.52%
20171,153-16-1.37%
20161,169-12-1.02%
20151,181-12-1.01%
20141,19300%
20131,193-4-0.33%
20121,197-4-0.33%
20111,201-5-0.41%
20101,199-1-0.08%

Median Age

Overall: 63.3 years
Female: 61.8 years
Male: 65.1 years

Guilford township Adults

There are 1,602 adults, (887 of whom are seniors) in Guilford township.

Sex Ratio

Female: 957 (50.7%)
Male: 929 (49.3%)

Demographics

The racial composition of Guilford township includes 90.56% White, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,70890.56%
Two or more races1608.48%
Other race110.58%
Asian60.32%
Native American10.05%
Race
Population ↓
Percentage (of total)
Two or more races1477.79%
Native American10.05%
Race
Population ↓
Percentage (of total)
White1,70890.56%
Two or more races130.69%
Other race110.58%
Asian60.32%

Guilford township Marital Status

Economics and Income Statistics

Guilford township 's average per capita income is $68,571. Household income levels show a median of $115,647. The poverty rate stands at 2.7%.

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
Families$118,065$151,759
Married Families$117,798-
Households$115,647$140,608
Non Families-$106,673

$68,571

Average Income

$115,647

Median Household Income

2.7%

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)