The Downtown Aledo Historic District is a national historic district located in downtown Aledo, Illinois. The district includes 75 contributing buildings and a park.

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3 on the National Register · #93 in ILHistoric places →

Know Aledo

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

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About Aledo

City in Illinois, United States

1855Established

3,633Population

2.4 sq miArea

653 ftElevation

Aledo is a city in and the county seat of Mercer County, Illinois, United States. The population was 3,633 at the 2020 census.

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

How Aledo ranks

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#40Most walkable in IL #137Shortest commute in IL #141Cheapest rent in IL All IL rankings →

Town numbers

ZIP code61231

Area code309

Living in Aledo

Housing in Aledo

$171K▲ 7% in a year Typical home value · Zillow

The typical Aledo home is worth about $171,000, up 7% in a year, 43% below the Illinois typical home.

Only 3 sales in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Aledo

B⁺

Safety Grade B+

Aledo reports less crime per resident than 71% of the U.S. towns and cities we grade.

Violent crime per 1,000

Aledo 0.3

Illinois 2.6

U.S. 3.3

Property crime per 1,000

Aledo 4.6

Illinois 15.6

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Aledo

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40% of Aledo’s working residents work right in town. The top destinations are Rock Island (7%), Davenport (6%) and Moline (4%). Half commute less than 19 miles.

Rock Island

Davenport, IA

Moline

Muscatine, IA

40%Work in townlive and work in Aledo 19 miWhere do people commute?the commute map 1,864Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Aledo →

Health in Aledo

C⁺

Health Grade C+

Healthier than 36% of U.S. towns on seven CDC estimates.

Compared with Illinois

2better than IL·9worse

of 32 measures CDC estimates. The other 21 are too close to call.

Conditions 7▼ 5 close Habits 1▼ 3 close Care 1▲ 6 close Mind 1▼ 4 close Everyday needs 1▲ 3 close

BetterToo close to callWorse

What stands out

10.4%Fewer adults facing housing insecurityIL 13.2% · better 80.3%More adults treating high blood pressureIL 75.7% · better 16.5%More older adults who have lost all their teethIL 10.3% · worse

Care nearby

Genesis Medical Center, AledoAledo · 0.8 mi · ER · rural critical access

Eagle View Community Health System Monmouth ClinicMonmouth · 20.6 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Aledo · CMS · HRSAHealth in Aledo →

Natural hazards in Aledo

Moderate

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

🌊 Inland flooding💨 Strong wind🌡️ Heat waves

1Does Aledo flood?paid flood claims since 2008 3Disasters that paid out herefederal disasters sent FEMA money to Aledo

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

Climate in Aledo

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Aledo 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.

34° / 18°Winter

61° / 40°Spring

83° / 62°Summer

63° / 42°Fall