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Ottawa IL Downtown1

OttawaIL

A town of 18,447, settled in 1853. Nearly 5.2% of it is conserved land.

6 bordering townsMap →
Photo: IvoShandor · CC BY-SA 3.0
Population
18,447
+0.4% since 2010
Typical home
$216K
+5.7% in a year
Household income
$71K
median
Median age
39.8
years
Jobs based here
9,220
Balanced

What makes Ottawa stand out

The 3 things Ottawa does most differently from other towns.

Picked automatically from the data

Ottawa’s report card

See the data ↓

Now in Ottawa

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Residents weigh in
Ottawa is #663 of 691 in IL for “Wettest”. Fair?
Your answer becomes a post in Ottawa’s Town Square.
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The data

Ordered by what stands out in Ottawa. Another town gets a different order.

Outdoors

5.2% of Ottawa is conserved land

11 miles of trails across 13 parks and preserves.

#199for trails in IL
Map of Ottawa: conserved land, trails and the top places to walk
Green: conserved land · dashed: trails · numbers: the places below
5.2%
conserved · 512 of 9,875 acres
11 mi
of trails · 0.7 per sq mi
#300
most conserved land in IL
Biggest places to walkTrailsAcres
1. Dayton Bluffs Preserve7.3 mi258
2. Allen Park0.3 mi21
3. Lincoln-Douglas Park—31
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →
Housing

A typical Ottawa home is worth about $216K

The typical Ottawa home is worth about $216,000, up 5.7% in a year, 27% below the Illinois typical home.

$216KZillow home value

Typical home value

Ottawa$216K
Illinois$298K
Market temperature
Buyer’s marketA balanced marketBuyer’sSeller’s
61
days on market
97.2%
sale-to-list price
+5.7%
value change, 1 year
18
homes sold in May
Zillow Home Value Index · Redfin Data CenterHousing market →
Work & commute

About one in four working residents works right in Ottawa

About one in 4 of Ottawa’s working residents works in town. The top destinations are Chicago (4%), Peru (3%) and Peoria (3%). Half commute less than 20 miles.

27%work in town

Where working residents work

In Ottawa27%
Chicago4%
Peru3%
Peoria3%
Morris3%
20 mi
median commute distance
9,220
jobs based in Ottawa
Balanced
jobs vs. working residents
Census LEHD 2023 · ACSCommute map →
Natural hazards

High risk, with inland flooding at the top

Expected storm and flood damage is higher than in 77% of U.S. communities.

77risk score of 100
FEMA risk score
77High riskLowerHigher
Inland floodingCold wavesTornadoes
168
paid flood claims since 1979
8
federal disasters paid out here
FEMA National Risk Index · OpenFEMANatural hazards →
Climate

Four seasons, pleasant summers

Ottawa has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 16°, and about 24 inches of snow falls in a normal winter.

24″snow a winter

Typical low → high °F

Winter19–35°
Spring39–61°
Summer61–83°
Fall42–64°
Oct 22
typical first frost
Apr 20
typical last frost
+1.3°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →
Safety

Less crime per resident than 40% of U.S. towns

Ottawa reports more crime per resident than most U.S. towns we grade: about 60% report less.

C+Safety Grade

Violent crime per 1,000 residents

Ottawa2.5
Illinois2.6
U.S.3.3

Property crime per 1,000 residents

Ottawa12.3
Illinois15.6
U.S.15.5
40th
percentile among U.S. towns we grade
27th
percentile among IL towns
46
violent crimes reported in 2025
231
property crimes reported in 2025
FBI crime data, 2025 · crimes reported to policeFull safety report →
Health

Healthier than 40% of U.S. towns

Ottawa beats the Illinois average on 0 of 32 CDC measures and trails it on 8.

C+Health Grade
32 measures vs. Illinois
0 better24 too close to call8 worse
What stands outOttawaIL
More adults with COPD8.7%6.3%
More older adults who have lost all their teeth13.3%10.3%
More smokers15.6%12.1%
Osf Saint Elizabeth Mdl Ctr
15.7 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
29th
percentile among IL towns
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →
The Lincoln–Douglas debates of 1858 - OTTAWA ILLINOIS-THE GLOVER HOUSE
1858 · The Lincoln–Douglas debates of 1858 - OTTAWA ILLINOIS-THE GLOVER HOUSE · Wikimedia Commons
Ottawa’s story

173 years in pictures

5 postcards, papers and photographs from public archives, and 7 places on the National Register.

Wrought Iron Bridge Co., Canton, Ohio View of wrought iron bridge - - W.J. Morgan & Co. lith., Cleveland, OWrought Iron Bridge Co., Canton, Ohio View of wrought iron bridge - - W.J. Morgan & Co. lith., Cleveland, OWrought Iron Bridge Co., Canton, Ohio View of wrought iron bridge /
Explore the history →

Landmarks

7 places in Ottawa on the National Register of Historic Places.

All landmarks →

Famous people from Ottawa

42 notable people were born in Ottawa.

See all 42 →

About Ottawa

City in Illinois, United States

Official town website ↗

Ottawa is a city in LaSalle County, Illinois, United States, and its county seat. It is located at the confluence of the navigable Fox River and Illinois River, the latter being a conduit for river barges and connects Lake Michigan at Chicago to the Mississippi River. The population was 18,840 at the 2020 census. It is the principal city of the Ottawa, Illinois, micropolitan area.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Established
1853
Population
18,840
Area
14 sq mi
Elevation
482 ft
ZIP code
61350

Ottawa’s neighbors

6 towns share a border with Ottawa.

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More about Ottawa

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Photo of Ottawa

Ottawa, IL · Photo: IvoShandor · CC BY-SA 3.0 · Source ↗