Zip Code 61234 — Annawan, IL

ZIP Code 61234 is associated with Annawan, IL, in Henry County. The listed population estimate is 1,116; estimated density is 7.7 people per square mile. Among records with population estimates, it ranks #9 of 16 in Henry County and #878 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.418040, -89.919470)

Data MetricLocal Statistic
Postal / Zip Code61234
Primary CityAnnawan
State / ProvinceIL
CountyHenry
Total Population1,116
Population Density7.7 people/sq mi
TimezoneAmerica/Chicago

How 61234 Compares

MetricZIP 61234Henry County recordsIL records
Population estimate1,11647,370 (sum)12,694,745 (sum)
Population Density7.7 /sq mi----
County population rank#9 of 16----
State population rank#878 of 1,390----

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

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ZIP CodeCityDistancePopulation estimate
ZIP 61344Mineral4.4 mi264
ZIP 61235Atkinson5.5 mi1,283
ZIP 61258Hooppole7.2 mi182
ZIP 61361Sheffield7.9 mi1,417
ZIP 61443Kewanee11.0 mi13,456

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 →