About one in 3 of Mercer’s working residents works in town. The top destinations are Aledo (38%), Rock Island (7%) and Davenport (6%). Half commute less than 20 miles.

39%work in town

Where working residents work

In Mercer39%

Aledo38%

Rock Island7%

Davenport6%

Moline4%

20 mi

median commute distance

1,932

jobs based in Mercer

Balanced

jobs vs. working residents

Census LEHD 2023 · ACSCommute map →

Health

Healthier than 38% of U.S. towns

Mercer beats the Illinois average on 4 of 32 CDC measures and trails it on 9.

C+Health Grade

32 measures vs. Illinois

4 better19 too close to call9 worse

What stands out	Mercer	IL
Fewer uninsured adults	7.6%	9.9%
Fewer adults facing housing insecurity	10.2%	13.2%
More older adults who have lost all their teeth	15.8%	10.3%

Genesis Medical Center, Aledo

1.9 mi away · emergency room

2 of 3

care shortages: primary care, mental health

26th

percentile among IL towns

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →

Climate

Four seasons, pleasant summers

Mercer has cold winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 14°, and about 22 inches of snow falls in a normal winter.

22″snow a winter

Typical low → high °F

Winter18–34°

Spring40–61°

Summer62–83°

Fall42–63°

Oct 19

typical first frost

Apr 22

typical last frost

+0.6°

vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020Full climate →

Schools

Mercer’s public schools outperform 36% of Illinois districts

The public schools Mercer’s kids attend, from kindergarten through graduation, trail 64% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

C+School Grade

School	Grades	Students	Grade
Apollo Elem School	K–5	362	C+
Mercer County Jr High School	6–8	270	B−
Mercer County High School	9–12	411	C+

NCES · EDFacts · graded within IL on state tests and graduationAll 3 schools →

Natural hazards

Moderate risk, with inland flooding at the top

Expected storm and flood damage is higher than in 48% of U.S. communities.

48risk score of 100

FEMA risk score

Inland floodingStrong windHeat waves

paid flood claims since 2008

FEMA National Risk Index · OpenFEMANatural hazards →

Outdoors

0.1% of Mercer is conserved land

3.2 miles of trails across 7 parks and preserves.

0.1%conserved

Map of Mercer: conserved land, trails and the top places to walk — Green: conserved land · dashed: trails · numbers: the places below

0.1%

conserved · 20 of 22,567 acres

3.2 mi

of trails · 0.1 per sq mi

Biggest places to walk	Trails	Acres
1. Fenton Park	—	9
2. Northside Park	—	8
3. Monument Park	—	4

Mercer County Fairgrounds · National Register of Historic Places

Mercer’s story

Mercer in pictures

1 places on the National Register of Historic Places.

Explore the history →

About Mercer

Township in Illinois, United States

Mercer Township is located in Mercer County, Illinois. As of the 2010 census, its population was 4,071 and it contained 1,873 housing units. Mercer Township changed its name from Centre Township on an unknown date sometime before 1921. Mercer Township contains Aledo, the county seat of Mercer County.

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