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Ridgefield, Illinois facts for kids

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Ridgefield, Illinois
Ridgefield, Illinois is located in Illinois
Ridgefield, Illinois
Ridgefield, Illinois
Location in Illinois
Ridgefield, Illinois is located in the United States
Ridgefield, Illinois
Ridgefield, Illinois
Location in the United States
Country United States
State Illinois
County McHenry
 • Total 0.52 sq mi (1.35 km2)
 • Land 0.52 sq mi (1.35 km2)
 • Water 0.00 sq mi (0.00 km2)
938 ft (286 m)
 • Total 210
 • Density 401.53/sq mi (155.10/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
Area code(s) 815 & 779
GNIS feature ID 416644

Ridgefield is an unincorporated community and census-designated place in McHenry County, Illinois, United States. Ridgefield is 3 miles (4.8 km) northwest of Crystal Lake. It was named a CDP prior to the 2020 census which showed a population of 210. Ridgefield hosts a small number of antique shops in a small crossroads business district. Ridgefield also has a large grain storage facility and a retail hardware store. Metra commuter trains pass through Ridgefield on their way to Chicago from Woodstock without stopping, though are currently shelved plans to build a station here.


A post office called Ridgefield was first established in 1858. The community was named from the ridges near the town site.


Historical population
Census Pop.
2020 210
U.S. Decennial Census

2020 census

Ridgefield CDP, Illinois - Demographic Profile
(NH = Non-Hispanic)
Race / Ethnicity Pop 2020 % 2020
White alone (NH) 193 91.90%
Black or African American alone (NH) 0 0.00%
Native American or Alaska Native alone (NH) 0 0.00%
Asian alone (NH) 0 0.00%
Pacific Islander alone (NH) 1 0.48%
Some Other Race alone (NH) 0 0.00%
Mixed Race/Multi-Racial (NH) 2 0.95%
Hispanic or Latino (any race) 14 6.67%
Total 210 100.00%

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 can be of any race.

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