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Mission

A township of 4,054 people in LaSalle County, Illinois

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Now in Mission

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Around town

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Around town

The places and views that make it Mission

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The Mission album

0 of 12 shotsNeighbors document Mission together

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Outdoors in Mission

Parks & trails →

Conserved land0.8%169 of 20,425 acres

Trails2.3 mi0.1 mi per sq mi

Parks & preserves142 conserved acres per 1,000 residents

1River's Edge4 acres

Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know Mission

The town at a glance, and the guide to how things work

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About Mission

Township in Illinois, United States

4,019Population

32.1 sq miArea

Mission Township is located in LaSalle County, Illinois. As of the 2020 census, its population was 4,019 and it contained 1,068 housing units.

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

How Mission ranks

#206Lowest depression in IL #301Fastest growing in IL #310Most active in IL All IL rankings →

Town numbers

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Living in Mission

Health in Mission

B

Health Grade B

Healthier than 62% of U.S. towns on seven CDC estimates.

Compared with Illinois

3better than IL·5worse

of 32 measures CDC estimates. The other 24 are too close to call.

Conditions 3▲ 9 close Habits 2▼ 2 close Care 3▼ 4 close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

2.8%Fewer adults who have had a strokeIL 3.3% · better 10%Fewer adults with diabetesIL 11.7% · better 15.2%More smokersIL 12.1% · worse

Care nearby

Valley West Community HospitalSandwich · 8.8 mi · ER · rural critical access

Aunt Martha's Health Center Aurora OutreachAurora · 23.4 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 60551, 61360 · CMS · HRSAHealth in Mission →

Natural hazards in Mission

Moderate

Expected storm and flood damage is higher than in 46% of U.S. communities.

🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes

0Does Mission flood?no paid flood claims on record 1Disasters that paid out herefederal disaster sent FEMA money to Mission MapMission vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Mission →

Climate in Mission

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Mission has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 15°, and about 25 inches of snow falls in a normal winter.

34° / 19°Winter

61° / 39°Spring

83° / 61°Summer

63° / 42°Fall

How much snow does Mission get?About 25 inches a winter.Rain & snow →When is the first frost?Around Oct 23, with the last in spring around Apr 20.Frost dates →Is it warmer than it used to be?+1.3° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Mission →

Schools in Mission

All Mission schools →

B⁻

School Grade B-

The public schools Mission’s kids attend, from kindergarten through graduation, outperform 51% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

DistrictSerena CUSD 2Schools1

Sheridan Elem School B-Elementary · Grades K–4 · 135 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.

Mission’s library

Library details →

Robert W. Rowe Public Library District120 East Si Johnson Avenue

40 hrs a week

How busy is it?Quieter than mostvs. similar-size libraries, by visits per residentCompare →What’s on for kids?88 programsa year for ages 0–11Programs →Late fees?Yes, somelate fines on some itemsPerks →

IMLS Public Libraries Survey · FY2024Robert W. Rowe Public Library District →

Famous people from MissionWriters, athletes, leaders and more who were born in Mission.Meet them →

Where Mission is

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Locator map of Mission — Wikimedia Commons · Map: Omnedon · Public domain

Location map

Illinois · IL · LaSalle CountyTown boundary on OpenStreetMap →

How things work in Mission

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Town hall & decisionsTrash, recycling & yard wasteUtilities & servicesStreets, parking & getting aroundSafety & preparednessSchools & learningParks, sports & recreationHealth & emergency care