Verify Ottawa, IL Addresses

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Ottawa is the #386 city in Illinois by population, with a population of 23,999 across 1 ZIP codes. The median household income is $77,562, and the median home value is $157,100. Average temperatures range from 40.8°F to 59.6°F, with 36.2" of annual precipitation. The area's largest employment sector is Retail, home to 99 businesses. Population has remained stable since 2020.

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Ottawa, IL Demographics

23,999
Population
$77,562
Median Income
$157,100
Median Home Value
$940/mo
Median Rent

Income by ZIP Code in Ottawa, IL

ZIP Code Population Median Income Median Home Value Median Rent
61350 23,999 $77,562 $157,100 $940

Climate in Ottawa, IL

Average monthly temperatures and precipitation.

JanFebMarAprMayJun JulAugSepOctNovDec
Avg High 31°35°48°61°72°80°83°82°76°64°48°36°
Avg Low 15°19°29°39°51°60°64°62°54°43°32°21°
Precip 1.8"1.5"2.3"3.5"4.5"4.4"3.6"3.7"3.2"3.1"2.5"2.0"
Snow 9.2"5.2"3.3"0.4"------0.8"4.8"

Top Industries in Ottawa, IL

IndustryEstablishments
Retail trade99
Accommodation and food services90
Other services (except public administration)75
Health care and social assistance69
Professional, scientific, and technical services59
Construction44
Finance and insurance38
Transportation and warehousing35
Administrative and support and waste management and remediation services33
Manufacturing29

Historic Landmarks in Ottawa

Ottawa has 11 properties listed on the National Register of Historic Places, including:

  • Fisher-Nash-Griggs House — 1333 Ottawa Ave.
  • Hossack, John, House — 210 W. Prospect St.
  • Knuessl Building — 215--217 W. Main
  • O'Conor, Andrew J., III, House — 637 Chapel St.
  • Old Kaskaskia Village — Address Restricted
  • Ottawa Commercial Historic District — Roughly 600-1129 Columbus St., 601-1215 LaSalle St.
  • Ottawa East Side Historic District — Roughly between the Illinois & Fox Rivers, Shabbona & Green Sts.
  • Starved Rock — 6 mi. from Ottawa on IL 71, Starved Rock State Park
  • Starved Rock Lock and Dam Historic District — 950 N 27th Rd.
  • Strawn, Jeremiah, House — 532 Congress St.

All 1 ZIP Codes Serving Ottawa, IL

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