Diamond Flag

Diamond

County:
Grundy County
County Seat:
No
Area (mi²):
1.9
State:
Illinois

Diamond is a village located in Grundy County, Illinois. Diamond has a 2026 population of 2,737. Diamond is currently growing at a rate of 0.66% annually and its population has increased by 3.99% since the most recent census, which recorded a population of 2,632 in 2020.

The median household income in Diamond is $73,201 with a poverty rate of 10.49%. The median age in Diamond is 35.5 years: 31.7 years for males, and 37.1 years for females. For every 100 females there are 92.1 males.

2.7K
Total Population
1,441
Density (mi²)
18 0.66%
Growth

Diamond Population

Diamond Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,737180.66%
20252,719170.63%
20242,702160.6%
20232,686250.94%
20222,66160.23%
20212,655230.87%
20202,632-5-0.19%
20192,502-12-0.48%
20182,514150.6%
20172,49960.24%
20162,493-8-0.32%
20152,501-13-0.52%
20142,514-7-0.28%
20132,521-6-0.24%
20122,527-3-0.12%
20112,53030.12%
20102,53320.08%

Median Age

Overall: 35.5 years
Female: 37.1 years
Male: 31.7 years

Diamond Adults

There are 2,079 adults, (290 of whom are seniors) in Diamond.

Sex Ratio

Female: 1,553 (52%)
Male: 1,431 (48%)

Demographics

The racial composition of Diamond includes 88.87% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,65288.87%
Two or more races2528.45%
Black or African American461.54%
Other race341.14%
Race
Population ↓
Percentage (of total)
White1755.86%
Two or more races1585.29%
Other race290.97%
Black or African American70.23%
Race
Population ↓
Percentage (of total)
White2,47783.01%
Two or more races943.15%
Black or African American391.31%
Other race50.17%

Diamond Marital Status

Economics and Income Statistics

Diamond 's average per capita income is $45,404. Household income levels show a median of $73,201. The poverty rate stands at 10.49%.

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$131,705-
Families$104,830$120,315
Households$73,201$100,150
Non Families$39,667$48,082

$45,404

Average Income

$73,201

Median Household Income

10.49%

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)