ZIP codes starting with 623
- ZIP codes
- 54
- States
- IL
- Largest city
- Quincy, IL
- Population
- 104,963
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 623xx
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
62301 | Quincy , IL | Standard | 30,746 | $52,055 | $135,100 |
62305 | Quincy , IL | Standard | 19,036 | $83,598 | $213,600 |
62306 | Quincy , IL | No street area | — | — | — |
62311 | Augusta , IL | Standard | 872 | $47,794 | $101,100 |
62312 | Barry , IL | Standard | 1,931 | $68,571 | $98,300 |
62313 | Basco , IL | Standard | 382 | $108,646 | $133,400 |
62314 | Baylis , IL | Standard | 530 | $75,556 | $160,000 |
62316 | Bowen , IL | Standard | 705 | $61,094 | $84,000 |
62319 | Camden , IL | Standard | 218 | $49,500 | $107,700 |
62320 | Camp Point , IL | Standard | 2,667 | $77,143 | $167,400 |
62321 | Carthage , IL | Standard | 3,576 | $76,825 | $123,700 |
62323 | Chambersburg , IL | Standard | 198 | $92,917 | $97,900 |
62324 | Clayton , IL | Standard | 1,196 | $76,903 | $96,600 |
62325 | Coatsburg , IL | Standard | 465 | $75,469 | $154,900 |
62326 | Colchester , IL | Standard | 2,236 | $65,000 | $119,000 |
62329 | Colusa , IL | No street area | — | — | — |
62330 | Dallas City , IL | Standard | 1,472 | $61,042 | $97,200 |
62334 | Elvaston , IL | Standard | 163 | $38,750 | $126,800 |
62336 | Ferris , IL | Standard | 84 | $43,125 | $77,100 |
62338 | Fowler , IL | Standard | 1,075 | $91,473 | $226,800 |
62339 | Golden , IL | Standard | 970 | $62,422 | $125,700 |
62340 | Griggsville , IL | Standard | 1,673 | $43,333 | $99,500 |
62341 | Hamilton , IL | Standard | 3,433 | $62,262 | $136,900 |
62343 | Hull , IL | Standard | 611 | $61,322 | $95,400 |
62344 | Huntsville , IL | Standard | 60 | — | $72,600 |
62345 | Kinderhook , IL | Standard | 359 | $61,607 | $68,200 |
62346 | La Prairie , IL | Standard | 164 | — | $126,700 |
62347 | Liberty , IL | Standard | 1,977 | $93,810 | $225,900 |
62348 | Lima , IL | Standard | 204 | $77,969 | $87,500 |
62349 | Loraine , IL | Standard | 517 | $67,981 | $87,700 |
62351 | Mendon , IL | Standard | 1,928 | $77,298 | $147,800 |
62352 | Milton , IL | Standard | 217 | $50,769 | $71,300 |
62353 | Mount Sterling , IL | Standard | 5,066 | $66,000 | $152,100 |
62354 | Nauvoo , IL | Standard | 1,447 | $72,788 | $159,500 |
62355 | Nebo , IL | Standard | 1,026 | $65,750 | $108,700 |
62356 | New Canton , IL | Standard | 518 | $68,542 | $86,100 |
62357 | New Salem , IL | Standard | 134 | $81,000 | $113,800 |
62358 | Niota , IL | Standard | 525 | $62,216 | $164,900 |
62359 | Paloma , IL | Standard | 184 | $51,413 | — |
62360 | Payson , IL | Standard | 1,605 | $54,706 | $147,500 |
62361 | Pearl , IL | Standard | 301 | $48,188 | $81,300 |
62362 | Perry , IL | Standard | 237 | $47,500 | $89,700 |
62363 | Pittsfield , IL | Standard | 5,561 | $58,500 | $118,000 |
62365 | Plainville , IL | Standard | 464 | $90,833 | $162,500 |
62366 | Pleasant Hill , IL | Standard | 1,450 | $56,346 | $81,500 |
62367 | Plymouth , IL | Standard | 1,294 | $58,000 | $126,700 |
62370 | Rockport , IL | Standard | 309 | $115,577 | $114,500 |
62373 | Sutter , IL | Standard | 225 | $110,568 | $139,900 |
62374 | Tennessee , IL | Standard | 216 | $78,571 | $81,700 |
62375 | Timewell , IL | Standard | 383 | $76,855 | $140,800 |
62376 | Ursa , IL | Standard | 1,276 | $57,778 | $178,000 |
62378 | Versailles , IL | Standard | 863 | $69,650 | $151,400 |
62379 | Warsaw , IL | Standard | 1,854 | $62,200 | $103,200 |
62380 | West Point , IL | Standard | 360 | $75,000 | $82,500 |
Cite this page
zipcodes.pro. “ZIP codes starting with 623.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/623
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