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AndoverIL

A town of 434, settled in 1835. Home to 3 places on the National Register of Historic Places.

Photo: MattHucke · CC BY-SA 3.0
Population
434
−4% since 2010
Median home value
$164K
Census ACS
Household income
$78K
median
Median age
44.8
years
Jobs based here
48
A commuter town

What makes Andover stand out

The thing Andover does most differently from other towns.

Picked automatically from the data
Small town

434 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns

Andover’s report card

See the data ↓

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66°
Clear
H 66° · L 44°

Upcoming events

Nothing on the calendar.

The data

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

Work & commute

Most working residents commute out of Andover

Most working residents leave Andover for work: only 2% work in town. The top destinations are Cambridge (11%), Geneseo (11%) and Moline (7%). Half commute less than 18 miles.

2%work in town

Where working residents work

In Andover2%
Cambridge11%
Geneseo11%
Moline7%
Davenport6%
18 mi
median commute distance
48
jobs based in Andover
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACSCommute map →
Climate

Four seasons, pleasant summers

Andover has cold winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 14°, and about 27 inches of snow falls in a normal winter.

27″snow a winter

Typical low → high °F

Winter18–34°
Spring40–61°
Summer62–83°
Fall42–63°
Oct 20
typical first frost
Apr 20
typical last frost
+1.0°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →
Natural hazards

Low risk, with inland flooding at the top

Expected storm and flood damage is higher than in 39% of U.S. communities.

39risk score of 100
FEMA risk score
39Low riskLowerHigher
Inland floodingStrong windTornadoes
4
federal disasters paid out here
FEMA National Risk Index · OpenFEMANatural hazards →
Health

How healthy Andover is

Andover beats the Illinois average on 6 of 32 CDC measures and trails it on 1.

32 measures vs. Illinois
6 better25 too close to call1 worse
What stands outAndoverIL
Fewer adults facing food insecurity10.6%15.9%
Fewer adults facing housing insecurity8.9%13.2%
More adults who have had cancer9.5%7.6%
Hammond Henry Hospital
13.4 mi away · emergency room
2 of 3
care shortages: primary care, mental health
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →
Outdoors

2.3% of Andover is conserved land

0.0 miles of trails across 1 parks and preserves.

2.3%conserved
2.3%
conserved · 14 of 629 acres
0.0 mi
of trails · 0 per sq mi
Biggest places to walkTrailsAcres
1. Lake Park—12
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →
Housing

Homes in Andover sell for about $379K

The median sale price was $379,000 in March 2026.

$379Kmedian sale price
1
homes sold in March
Zillow Home Value Index · Redfin Data CenterHousing market →
A commuter town

98% of working residents leave Andover for work

Where Andover’s working residents go each day. Line width shows the share.

11% → Cambridge Cambridge 11% 11% → Geneseo Geneseo 11% 7% → Moline Moline 7% 6% → Davenport Davenport 6% 5% → East Moline East Moline 5% 2% → Orion Orion 2% Andover · 2% stay
48jobs based in Andover
2%of working residents work in town
18 mimedian commute distance

Census LEHD 2023

Jenny-lind-chapel
2009 · Jenny-lind-chapel · Wikimedia Commons
Andover’s story

191 years in pictures

5 postcards, papers and photographs from public archives, and 3 places on the National Register.

ILMap-doton-Andover
Explore the history →

Landmarks

3 places in Andover on the National Register of Historic Places.

All landmarks →

About Andover

Village in Illinois, United States

Andover is a village in Henry County, Illinois, United States. The population was 555 at the 2020 census, down from 578 in 2010 census.

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

Established
1835
Population
555
Area
1.0 sq mi
ZIP code
61233

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Photo of Andover

Andover, IL · Photo: MattHucke · CC BY-SA 3.0 · Source ↗