Zip Code 61077 — Seward, IL

ZIP Code 61077 is associated with Seward, IL, in Winnebago County. The listed population estimate is 97; estimated density is 47.2 people per square mile. Among records with population estimates, it ranks #20 of 20 in Winnebago County and #1343 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.240120, -89.348060)

Data MetricLocal Statistic
Postal / Zip Code61077
Primary CitySeward
State / ProvinceIL
CountyWinnebago
Total Population97
Population Density47.2 people/sq mi
TimezoneAmerica/Chicago

How 61077 Compares

MetricZIP 61077Winnebago County recordsIL records
Population estimate97285,063 (sum)12,694,745 (sum)
Population Density47.2 /sq mi----
County population rank#20 of 20----
State population rank#1343 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

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 61063Pecatonica5.0 mi4,011
ZIP 61088Winnebago5.2 mi6,167
ZIP 61047Leaf River6.5 mi1,622
ZIP 61039German Valley6.6 mi824
ZIP 61067Ridott7.9 mi450

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 →