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Diamond, Illinois

Coordinates: 41°17′07″N 88°14′52″W / 41.28528°N 88.24778°W / 41.28528; -88.24778
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Diamond
Village
Location of Diamond in Will County, Illinois.
Location of Diamond in Will County, Illinois.
Coordinates: 41°17′07″N 88°14′52″W / 41.28528°N 88.24778°W / 41.28528; -88.24778[1]
CountryUnited States
StateIllinois
CountiesGrundy, Will
Area
[2]
 • Total
1.90 sq mi (4.92 km2)
 • Land1.90 sq mi (4.92 km2)
 • Water0 sq mi (0.00 km2)
Elevation
[1]
564 ft (172 m)
Population
 (2020)
 • Total
2,640
 • Density1,389.7/sq mi (536.58/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
60416
Area codes815 & 779
FIPS code17-19837
GNIS feature ID2398721[1]
Websitewww.villageofdiamond.org

Diamond is a village in Grundy and Will Counties, Illinois. The population was 2,640 at the 2020 census.[3]

History

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A post office called Diamond was established in 1872, and remained in operation until 1909.[4] Black Diamond had its start as a coal town.[5] The village was named for its location in the center of the "Black Diamond" coal district.[6]

On February 16, 1883, the Diamond Mine flooded, killing 72 miners. A monument was erected in Diamond memorializing the event.[7]

On November 17, 2013, an EF-2 tornado hit Diamond.[citation needed]

Geography

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According to the 2021 census gazetteer files, Diamond has a total area of 1.90 square miles (4.92 km2), all land.[8]

Demographics

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Historical population
CensusPop.Note%±
1880424—
1900672—
1910255−62.1%
192085−66.7%
1930928.2%
194080−13.0%
195010733.8%
1960250133.6%
197045280.8%
19801,170158.8%
19901,077−7.9%
20001,39329.3%
20102,52781.4%
20202,6404.5%
U.S. Decennial Census[9]

Racial and ethnic composition

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Diamond village, Illinois – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2000[10] Pop 2010[11] Pop 2020[12] % 2000 % 2010 % 2020
White alone (NH) 1,320 2,328 2,276 94.76% 92.13% 86.21%
Black or African American alone (NH) 0 20 24 0.00% 0.79% 0.91%
Native American or Alaska Native alone (NH) 9 5 5 0.65% 0.20% 0.19%
Asian alone (NH) 1 5 14 0.07% 0.20% 0.53%
Native Hawaiian or Pacific Islander alone (NH) 0 1 3 0.00% 0.04% 0.11%
Other race alone (NH) 0 0 7 0.00% 0.00% 0.27%
Mixed race or Multiracial (NH) 14 34 135 1.01% 1.35% 5.11%
Hispanic or Latino (any race) 49 134 176 3.52% 5.30% 6.67%
Total 1,393 2,527 2,640 100.00% 100.00% 100.00%

2020 census

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As of the 2020 census, Diamond had a population of 2,640. The median age was 36.1 years. 27.8% of residents were under the age of 18 and 13.0% of residents were 65 years of age or older. For every 100 females, there were 103.5 males, and for every 100 females age 18 and over, there were 99.9 males. The population density was 1,389.47 inhabitants per square mile (536.48/km2). There were 1,043 housing units at an average density of 548.95 per square mile (211.95/km2).[13][14]

99.8% of residents lived in urban areas, while 0.2% lived in rural areas.[15]

There were 1,006 households in Diamond, of which 39.3% had children under the age of 18 living in them. Of all households, 48.9% were married-couple households, 19.2% were households with a male householder and no spouse or partner present, and 23.5% were households with a female householder and no spouse or partner present. About 26.3% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.[13]

There were 1,043 housing units, of which 3.5% were vacant. The homeowner vacancy rate was 1.1% and the rental vacancy rate was 7.7%.[13]

Income and poverty

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The median income for a household in the village was $51,019, and the median income for a family was $73,750. Males had a median income of $53,148 versus $29,327 for females. The per capita income for the village was $30,891. About 11.9% of families and 11.0% of the population were below the poverty line, including 20.1% of those under age 18 and 9.2% of those age 65 or over.

Education

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All of Diamond in Grundy County is in the Coal City Community Unit School District 1.[16]

Most of Diamond in Will County is in the Reed Custer Community Unit School District 255U, while a piece is in the Wilmington Community Unit School District 209U, and another piece is in the Coal City district.[17]

References

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  1. ^ a b c U.S. Geological Survey Geographic Names Information System: Diamond, Illinois
  2. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
  3. ^ "Explore Census Data". data.census.gov. Retrieved June 28, 2022.
  4. ^ "Grundy County". Jim Forte Postal History. Retrieved November 4, 2015.
  5. ^ Callary, Edward (September 29, 2008). Place Names of Illinois. University of Illinois Press. p. 93. ISBN 978-0-252-09070-7.
  6. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 106.
  7. ^ "Coal City Public Library".
  8. ^ "Gazetteer Files". Census.gov. United States Census Bureau. Retrieved June 29, 2022.
  9. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
  10. ^ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Diamond village, Illinois". United States Census Bureau.
  11. ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Diamond village, Illinois". United States Census Bureau.
  12. ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Diamond village, Illinois". United States Census Bureau.
  13. ^ a b c "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved April 29, 2026.
  14. ^ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved April 29, 2026.
  15. ^ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved April 29, 2026.
  16. ^ Geography Division (December 22, 2020). 2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Grundy County, IL (PDF) (Map). U.S. Census Bureau. Retrieved June 29, 2025. - Text list
  17. ^ Geography Division (December 22, 2020). 2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Will County, IL (PDF) (Map). U.S. Census Bureau. Retrieved June 29, 2025. - Text
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