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Zip Code 61238 — Cambridge, IL

ZIP Code 61238 is associated with Cambridge, IL, in Henry County. The listed population estimate is 2,549; estimated density is 9.7 people per square mile. Among records with population estimates, it ranks #6 of 16 in Henry County and #612 of 1,390 in IL.

Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.287270, -90.176470)

Data Metric	Local Statistic
Postal / Zip Code	61238
Primary City	Cambridge
State / Province	IL
County	Henry
Total Population	2,549
Population Density	9.7 people/sq mi
Timezone	America/Chicago

How 61238 Compares

Metric	ZIP 61238	Henry County records	IL records
Population estimate	2,549	47,370 (sum)	12,694,745 (sum)
Population Density	9.7 /sq mi	--	--
County population rank	#6 of 16	--	--
State population rank	#612 of 1,390	--	--

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Other ZIP Codes in Cambridge (1 records)
Other ZIP Codes in Henry County (16 records)
Other ZIP Codes in Illinois (1,396 records)

Nearby ZIP Codes in IL

ZIP Code	City	Distance	Population estimate
ZIP 61233	Andover	6.0 mi	281
ZIP 61419	Bishop Hill	6.8 mi	134
ZIP 61274	Osco	7.7 mi	197
ZIP 61490	Woodhull	8.6 mi	1,035
ZIP 61262	Lynn Center	9.4 mi	1,197

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →