Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — PREFIX/610

ZIP codes starting with 610

ZIP codes
66
States
IL
Largest city
Belvidere, IL
Population
301,077

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 610xx

ZIP codes starting with 610
ZIP City Type Population Median income Median home
61001 Apple River , IL Standard 1,226 $77,841 $300,300
61006 Ashton , IL Standard 1,541 $75,938 $155,500
61007 Baileyville , IL Standard 196 — —
61008 Belvidere , IL Standard 33,582 $76,604 $195,800
61010 Byron , IL Standard 7,497 $93,613 $235,000
61011 Caledonia , IL Standard 2,676 $127,273 $311,900
61012 Capron , IL Standard 2,264 $98,594 $172,000
61013 Cedarville , IL Standard 690 $67,569 $125,700
61014 Chadwick , IL Standard 1,067 $69,329 $103,800
61015 Chana , IL Standard 901 $97,500 $193,200
61016 Cherry Valley , IL Standard 5,465 $84,883 $231,200
61018 Dakota , IL Standard 1,034 $76,471 $157,800
61019 Davis , IL Standard 3,461 $105,150 $232,100
61020 Davis Junction , IL Standard 3,149 $105,769 $202,800
61021 Dixon , IL Standard 22,308 $69,127 $148,500
61024 Durand , IL Standard 2,318 $70,750 $152,700
61025 East Dubuque , IL Standard 4,294 $70,739 $197,800
61027 Eleroy , IL Standard 33 — —
61028 Elizabeth , IL Standard 1,683 $86,053 $174,400
61030 Forreston , IL Standard 2,194 $71,655 $157,200
61031 Franklin Grove , IL Standard 1,492 $75,446 $136,700
61032 Freeport , IL Standard 29,020 $56,593 $112,300
61036 Galena , IL Standard 7,121 $81,989 $279,000
61037 Galt , IL Standard 145 $70,357 $103,600
61038 Garden Prairie , IL Standard 1,274 $104,875 $281,600
61039 German Valley , IL Standard 824 $84,107 $181,300
61041 Hanover , IL Standard 1,338 $45,938 $114,900
61042 Harmon , IL Standard 404 $70,833 $153,600
61043 Holcomb , IL Standard 143 $69,063 $124,000
61044 Kent , IL Standard 225 $82,083 $150,000
61046 Lanark , IL Standard 2,794 $79,398 $167,400
61047 Leaf River , IL Standard 1,622 $86,056 $242,200
61048 Lena , IL Standard 3,786 $82,875 $166,600
61049 Lindenwood , IL Standard 579 $91,607 $177,800
61050 Mc Connell , IL Standard 199 $74,728 $124,400
61051 Milledgeville , IL Standard 1,469 $59,565 $104,200
61052 Monroe Center , IL Standard 1,145 $91,797 $225,700
61053 Mount Carroll , IL Standard 2,590 $62,250 $106,700
61054 Mount Morris , IL Standard 3,610 $47,467 $121,400
61057 Nachusa , IL Standard 30 — —
61059 Nora , IL Standard 178 $54,113 $92,000
61060 Orangeville , IL Standard 1,554 $76,726 $161,000
61061 Oregon , IL Standard 6,766 $87,829 $196,000
61062 Pearl City , IL Standard 1,840 $66,667 $196,900
61063 Pecatonica , IL Standard 4,011 $84,276 $174,100
61064 Polo , IL Standard 3,757 $75,386 $164,400
61065 Poplar Grove , IL Standard 10,570 $97,386 $217,300
61067 Ridott , IL Standard 450 $66,563 $170,500
61068 Rochelle , IL Standard 14,788 $73,214 $171,300
61070 Rock City , IL Standard 1,322 $84,167 $157,000
61071 Rock Falls , IL Standard 13,581 $60,508 $102,300
61072 Rockton , IL Standard 11,285 $104,938 $237,600
61073 Roscoe , IL Standard 20,194 $102,064 $239,100
61074 Savanna , IL Standard 3,962 $50,691 $91,500
61075 Scales Mound , IL Standard 986 $75,547 $225,500
61077 Seward , IL Standard 97 — —
61078 Shannon , IL Standard 1,459 $75,769 $133,100
61079 Shirland , IL Standard 210 $46,367 $123,200
61080 South Beloit , IL Standard 10,955 $76,579 $181,200
61081 Sterling , IL Standard 20,844 $67,586 $123,400
61084 Stillman Valley , IL Standard 3,201 $102,817 $214,100
61085 Stockton , IL Standard 3,149 $59,798 $131,300
61087 Warren , IL Standard 1,588 $77,321 $108,900
61088 Winnebago , IL Standard 6,167 $98,088 $208,700
61089 Winslow , IL Standard 526 $66,250 $115,900
61091 Woosung , IL Standard 248 — —

Cite this page

zipcodes.pro. “ZIP codes starting with 610.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/610

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