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CITY

Andover

Illinois · 536 residents (2025 est.) · 0.99 sq mi
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The short version

Andover has roughly average household income, with a median household income of $77,813. Population has fallen 27% since 2000, a loss of 160 residents. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $163,600. With a median age of 44.8, the population is older than the US median of 38.9.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 44.8
US median: 38.9
Less educated
21% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
434
−27%since 2000
from 594 in 2000
1990 – 2025
Population density
438 / sq mi
−27%since 2000
from 600 / sq mi in 2000
US average: 281
Median age
44.8
+13%since 2000
from 39.6 in 2000
US average: 38.9

PEP 2025 EST:536 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
4014725446156861990201020202024Andover
2024434
1990201020202024
Section 02

Income & economy

Median household income
$77,813
−9%inflation adjusted, since 2000
from $46,944 in 2000
US average: $82,259
1990 – 2024
Per capita income
$36,834
+100%since 2000
from $18,439 in 2000
US average: $44,673
Households earning $100K+
51.3%
+33.5 ptssince 2009
from 17.8% in 2009
US average: 53.3%
Poverty rate
3.7%
−2.2 ptssince 2000
from 5.9% in 2000
US average: 12.5%
Income inequality (Gini)
0.359
+13%since 2010
from 0.317 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade19.4%
US avg: 9.9%
Information16.2%
US avg: 10.8%
Finance & insurance11.7%
US avg: 5.9%
Professional, scientific, technical11.7%
US avg: 5.1%
Other services9.5%
US avg: 6.7%
Wholesale trade5.4%
US avg: 6.9%
Public administration4.5%
US avg: 4.8%
Agriculture, forestry, fishing0.9%
US avg: 1.6%
Construction0.9%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Transportation & warehousing0%
US avg: 2.2%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$163,600
+15%inflation adjusted, since 2000
from $77,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$924
+19%inflation adjusted, since 2000
from $425 in 2000
US average: $1,442
Owner-occupied
81.5%
−6.7 ptssince 2000
from 88.2% in 2000
18.5% rent
Vacancy rate
0.0%
−4.3 ptssince 2009
from 4.3% in 2009
US average: 10.0%
Owner cost-burdened
18.2%
+2.2 ptssince 2009
from 16.0% in 2009
US average: 22.9%
Renter cost-burdened
57.1%
+26.8 ptssince 2009
from 30.3% in 2009
US average: 47.4%
Afford Score
2.1
+27%since 2000
from 1.7 in 2000
1990 – 2024
Gentrification Score
55
RELATED:See current rent listings in Andover on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.6%(580)
Black0%(0)
Hispanic / Latino0.8%(5)
Asian0.8%(5)
Other0%
Diversity Score4.2%(25)
2024
White, non-Hispanic85.3%(370)
Black0%(0)
Hispanic / Latino2.8%(12)
Asian0.7%(3)
Other11.3%(49)
Diversity Score32.5%(141)
Diversity Score
32
+676%since 2000
from 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
20.9%
+8.3 ptssince 2000
from 12.7% in 2000
US average: 35.6%
High school or higher
92.6%
+5.8 ptssince 2000
from 86.8% in 2000
US average: 89.6%
Graduate degree
5.8%
+5.1 ptssince 2000
from 0.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
29.7 min
+37%since 2000
from 21.7 min in 2000
US average: 26.5
Drive alone to work
81.2%
−5.9 ptssince 2009
from 87.2% in 2009
US average: 68.9%
Carpooled to work
15.5%
+13.7 ptssince 2009
from 1.8% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
3.3%
−4.1 ptssince 2009
from 7.3% in 2009
US average: 15.0%
Walked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
2.1%
−1.3 ptssince 2009
from 3.5% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.5%
−1.8 ptssince 2011
from 5.3% in 2011
US average: 5.2%
Labor force participation
62.2%
+5.0 ptssince 2011
from 57.2% in 2011
US average: 63.5%
Self-employed
7.2%
−3.3 ptssince 2009
from 10.6% in 2009
US average: 13.1%
Management & professional
38.3%
−17.7 ptssince 2009
from 56.0% in 2009
US average: 42.5%
Section 08

People & community

Male
53.2%
+5.4 ptssince 2009
from 47.8% in 2009
Female
46.8%
−5.4 ptssince 2009
from 52.2% in 2009
Foreign born
1.8%
+0.8 ptssince 2009
from 1.1% in 2009
US average: 14.1%
Veterans
6.1%
−38.4 ptssince 2009
from 44.5% in 2009
US average: 6.2%
With a disability
11.3%
−5.1 ptssince 2012
from 16.4% in 2012
US average: 13.3%
Uninsured
2.8%
−95.0 ptssince 2013
from 97.8% in 2013
US average: 8.4%
Broadband at home
79.9%
+10.2 ptssince 2017
from 69.7% in 2017
US average: 91.0%
English only at home
97.1%
+1.6 ptssince 2016
from 95.5% in 2016
US average: 77.7%
Spanish at home
2.9%
−1.6 ptssince 2016
from 4.5% in 2016
US average: 13.6%
Drill deeper

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Head to head

Compare Andover to nearby cities

ANDOVER VS
East Moline
Income$61,779−21%
Home value$134,600−18%
Population20,453+3716%
SEE FULL COMPARISON →
ANDOVER VS
Moline
Income$67,701−13%
Home value$146,300−11%
Population42,362+7803%
SEE FULL COMPARISON →
ANDOVER VS
Kewanee
Income$50,886−35%
Home value$73,200−55%
Population12,115+2160%
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ANDOVER VS
Rock Island
Income$59,041−24%
Home value$125,900−23%
Population36,225+6658%
SEE FULL COMPARISON →
Frequently asked

How many people live in Andover, Illinois?

Andover, Illinois has about 434 residents according to the 2024 American Community Survey.

What is the median household income in Andover, Illinois?

The typical household in Andover, Illinois earns about $77,813 a year. Half of households make more than that, and half make less.

Is Andover, Illinois expensive?

In Andover, Illinois, the median home is worth about $163,600, and the typical rent is about $924 a month.

How educated are people in Andover, Illinois?

About 20.9% of adults age 25 and over in Andover, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Andover, Illinois?

About 3.7% of people in Andover, Illinois live below the federal poverty line.

Has Andover, Illinois grown since 1990?

Yes, Andover, Illinois has shrunk since 1990. The population has lost about 158 residents, a change of about -27 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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