Illinois City, Illinois

Illinois City, Illinois
Unincorporated community
Illinois City, Illinois Show map of Illinois Illinois City, Illinois Show map of the United States
Coordinates: 41°23′56″N90°53′59″W / 41.39889°N 90.89972°W / 41.39889; -90.89972
Country	United States
State	Illinois
County	Rock Island
Area [1]
• Total	0.46 sq mi (1.18 km2)
• Land	0.46 sq mi (1.18 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation [2]	768 ft (234 m)
Population  (2020)
• Total	159
• Density	347.92/sq mi (134.44/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
ZIP code	61259
Area code	309
GNIS feature ID	2806501 [2]

Illinois City is an unincorporated community in the U.S. state of Illinois, across the Mississippi River from Muscatine, Iowa. The community straddles Buffalo Prairie Township and Drury Township in Rock Island County, Illinois. ^[3]

Demographics

Historical population

Census	Pop.	Note	%±
2020	159		—
U.S. Decennial Census [4]

Illinois City first appeared as a census designated place in the 2020 U.S. Census. ^[5]

2020 census

Illinois City CDP, 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 2020 [6]	% 2020
White alone (NH)	144	90.57%
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%
Native Hawaiian or Pacific Islander alone (NH)	0	0.00%
Other race alone (NH)	0	0.00%
Mixed race or Multiracial (NH)	5	3.14%
Hispanic or Latino (any race)	10	6.29%
Total	159	100.00%

Education

It is in the Rockridge Community Unit School District 300. ^[7]

References

1. "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
2. U.S. Geological Survey Geographic Names Information System: Illinois City, Illinois
3. Historic Rock Island County: history of the settlement of Rock Island County from the earliest known period to the present time. Rock Island, Illinois: Kramer & Company. 1908. p. 113. LCCN   20-16031.
4. "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
5. "2020 Geography Changes". United States Census Bureau.
6. "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Illinois City CDP, Illinois". United States Census Bureau .
7. Geography Division (December 22, 2020). 2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Rock Island County, IL (PDF) (Map). U.S. Census Bureau . Retrieved June 15, 2025. - Text list