Home Metro areas Ottawa, IL Ottawa, IL micro area ZIP codes The Ottawa, IL micropolitan statistical area (CBSA 36837) covers 3 counties in Illinois and 57 ZIP codes.
ZIP codes 57
Population 144,915
Avg. median income $72,600population-weighted
Counties 3 Click anywhere on the map to see which ZIP code it's in.
Copy all 57 ZIP codes Download CSV
Counties in the Ottawa, IL area ZIP codes in the Ottawa, IL area ZIP codes in the Ottawa, IL area ZIP code City County Population Median income Typical home value 60470 Ransom LaSalle County 358 $85,000 $206,400 60518 Earlville LaSalle County 3,289 $69,980 $246,400 60531 Leland LaSalle County 1,885 $79,808 $279,400 60537 Millington LaSalle County 726 $81,825 $289,200 60549 Serena LaSalle County 784 $108,417 $317,600 60551 Sheridan LaSalle County 5,058 $86,786 $301,800 60557 Wedron LaSalle County 0 — — 61301 La Salle LaSalle County 10,398 $60,328 $139,400 61312 Arlington Bureau County 392 $80,714 $156,100 61314 Buda Bureau County 686 $52,039 $72,300 61315 Bureau Bureau County 264 $56,538 $54,800 61316 Cedar Point LaSalle County 256 $74,375 $90,000 61317 Cherry Bureau County 521 $58,750 $103,300 61320 Dalzell Bureau County 727 $76,250 $170,400 61321 Dana LaSalle County 224 $80,257 $92,000 61322 Depue Bureau County 1,530 $65,795 $58,900 61323 Dover Bureau County 125 $47,500 $120,000 61325 Grand Ridge LaSalle County 949 $87,500 $235,300 61326 Granville Putnam County 1,953 $70,880 $174,900 61327 Hennepin Putnam County 1,442 $89,306 $229,900 61328 Kasbeer Bureau County 18 — — 61329 Ladd Bureau County 1,356 $67,321 $154,200 61330 La Moille Bureau County 1,182 $69,005 $177,200 61332 Leonore LaSalle County 104 $50,313 $80,000 61334 Lostant LaSalle County 738 $86,250 $172,200 61335 Mc Nabb Putnam County 312 $71,750 $169,600 61336 Magnolia Putnam County 694 $92,298 $174,300 61337 Malden Bureau County 558 $78,571 $111,800 61338 Manlius Bureau County 299 $75,750 $92,200 61340 Mark Putnam County 545 $78,750 $160,100 61341 Marseilles LaSalle County 7,692 $72,530 $211,500 61342 Mendota LaSalle County 8,543 $65,348 $177,300 61344 Mineral Bureau County 264 $44,063 $71,400 61345 Neponset Bureau County 770 $76,250 $99,900 61346 New Bedford Bureau County 43 $42,500 $78,800 61348 Oglesby LaSalle County 4,375 $76,369 $167,600 61349 Ohio Bureau County 1,151 $71,375 $158,600 61350 Ottawa LaSalle County 23,713 $77,921 $215,100 61354 Peru LaSalle County 10,290 $76,392 $183,500 61356 Princeton Bureau County 10,799 $68,243 $191,700 61358 Rutland LaSalle County 407 $88,393 $192,000 61359 Seatonville Bureau County 369 $52,857 $96,700 61360 Seneca LaSalle County 3,610 $95,093 $231,800 61361 Sheffield Bureau County 1,417 $91,250 $145,600 61362 Spring Valley Bureau County 5,764 $71,558 $144,900 61363 Standard Putnam County 250 $60,000 $108,100 61364 Streator LaSalle County 17,963 $59,060 $126,300 61368 Tiskilwa Bureau County 1,273 $88,214 $145,600 61370 Tonica LaSalle County 1,215 $91,094 $223,300 61371 Triumph LaSalle County 83 — $108,600 61372 Troy Grove LaSalle County 300 $83,917 $200,800 61373 Utica LaSalle County 2,123 $109,000 $264,100 61374 Van Orin Bureau County 56 $59,432 $95,000 61376 Walnut Bureau County 1,894 $61,200 $154,200 61377 Wenona LaSalle County 1,441 $57,321 $124,700 61379 Wyanet Bureau County 1,260 $63,750 $142,200 61560 Putnam Putnam County 477 $73,333 $223,700
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions How many ZIP codes are in the Ottawa, IL micro area? 57 ZIP codes, based on each ZIP code's main county.
Which counties make up the Ottawa, IL area? Bureau County, LaSalle County and Putnam County.
What is an MSA? A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).