Andover, IL demographics:
population, income, and more

Total population
434
2.1% year-over-year change
Median household income
$77,813/yr
14.0% year-over-year change
Housing units
189
2.2% year-over-year change

Andover population

How many people live in Andover

Andover is home to 434 residents, according to the most recent Census data. Gender-wise, 53.2% of Andover locals are male, and 46.8% are female.

Total population
434
2.1% year-over-year change
Gender ratio
Male
53.2%
231
Female
46.8%
203
Value Percent YoY change
Male 231 53.2% 4.0%
Female 203 46.8% 0.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Andover is 45, with the population distributed as follows: about 11.3% are children under 15, then 13.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.4% of the population, while another 28.8% fall into the 45 to 64 bracket. Finally, around 20.7% are 65 or older.

Median age
44.8
Age breakdown
Under 15
11.3%
15 to 24
13.8%
25 to 44
25.4%
45 to 64
28.8%
Over 65
20.7%
Value Percent YoY change
Under 15 49 11.3% -7.5%
15 to 24 60 13.8% 15.4%
25 to 44 110 25.4% 3.8%
45 to 64 125 28.8% 9.7%
Over 65 90 20.7% -10.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Andover, 98.2% of the population are US-born citizens, while 0.7% have gained naturalized citizenship. At the same time, 1.2% of residents are non-citizens. There’s also a share of 11.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.2%
Non-U.S.-born citizens
0.7%
Non-citizens
1.2%
Value Percent YoY change
U.S.-born citizens 426 98.2% 1.4%
Non-U.S.-born citizens 3 0.7% 0.0%
Non-citizens 5 1.2% 150.0%
Racial breakdown
White
88%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0.7%
Native Hawaiian and other Pacific Islander
0%
Two or more races
11.3%
Other
0%
Value Percent
White 382 88%
Asian 3 0.7%
Two or more races 49 11.3%

Households in Andover

A peek inside Andover households

Andover has 189 households, with an average of 2 members in each. Of these, 66.7% are families, while the remaining 33.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
189
2.2% year-over-year change
Average people per household
2
Non-family households
63
Family households
126
Value Percent YoY change
Non-family households 63 33.3% 0.0%
Family households 126 66.7% 3.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Andover

The housing landscape of Andover

Andover's housing consists of 189 units, with 96.8% being detached single-family homes ideal for those wanting space.

Housing units
189
2.2% year-over-year change
Housing types
Value Percent
1 unit, detached 183 96.8%
5 to 9 units 6 3.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in Andover

In Andover, the median construction year is 1972. About 36% of homes were built before the 1940s, with another 0.5% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 68 36% -5.6%
Built between 1940 and 1949 1 0.5% 0.0%
Built between 1950 and 1959 4 2.1% -76.5%
Built between 1960 and 1969 13 6.9% 44.4%
Built between 1970 and 1979 44 23.3% 18.9%
Built between 1980 and 1989 33 17.5% 230.0%
Built between 1990 and 1999 12 6.4% -36.8%
Built between 2000 and 2009 9 4.8% -40.0%
Built between 2010 and 2019 5 2.6% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Andover occupancy rates

Out of the 189 occupied housing units in Andover, 81.5% are owner-occupied, while 18.5% are lived in by tenants.

Occupied housing units
189
2.2% year-over-year change
Occupancy breakdown
Renter occupied
35
Owner occupied
154
Value Percent YoY
change
Renter occupied 35 18.5% -5.4%
Owner occupied 154 81.5% 4.0%
Unoccupied housing units
0.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Andover housing costs

Housing costs in Andover come to a median of $960 per month, while tenants specifically pay a median gross rent of $924.

Median housing costs per month
$960/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Andover
$924/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Andover

Andover education at a glance

About 45.1% of the population in Andover went to high school, while 22.7% pursued college studies. Another 11.3% earned an associate degree and 14.2% hold a bachelor’s. Meanwhile, 5.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4 1.2% N/A
High school diploma 155 45.1% 2.0%
College diploma 78 22.7% -7.1%
Associate degree 39 11.3% 14.7%
Bachelor's degree 49 14.2% -10.9%
Graduate degree 19 5.5% 90.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Andover

How much people earn in Andover

The average annual household income in Andover was $83,076 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +10% change from the previous year. At the same time, the median income stood at $77,813, reflecting a +14% shift over the same period.

Average household income in Andover
$83,076/year
10.0% year-over-year change
Median household income in Andover
$77,813/year
14.0% year-over-year change

Andover income by age

In Andover, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $91,136. Overall, 96.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $91,136 3.8%
Over 65 $48,214 45.5%
Above poverty level
415
Below poverty level
16
Value Percent YoY
change
Above poverty level 415 96.3% 2.5%
Below poverty level 16 3.7% -20.0%

Average renter income in Andover

To get a better sense of what renters earn on average in Andover, their median household income was $64,643 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 17.2%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$64,643
Rent-to-income ratio
17.2%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Andover

Workforce and job types in Andover

The job market in Andover is powered by 222 working residents, spread across a range of industries and roles. 72.1% of the working population are employed in professional or administrative positions, while 27.9% are in hands-on or service-based jobs. Also, 6.8% run their own businesses, 82% are employed by private companies, and 9.9% work in the public sector.

Workforce demographics

Working population
222
8.8% year-over-year change
White collar
160
Blue collar
62
Value Percent YoY change
White collar 160 72.1% 9.6%
Blue collar 62 27.9% 6.9%
Employer type
Self employees
6.8%
Private companies
82%
Governmental workers
9.9%
Not for profit companies
1.4%
Value Percent YoY change
Self employees 15 6.8% 25.0%
Private companies 182 82% 13.8%
Governmental workers 22 9.9% -24.1%
Not for profit companies 3 1.4% 0.0%
Unemployment rate
3.5%
0.0% year-over-year change

Available workforce

The unemployment rate in Andover stands at 3.5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Andover

How people get around in Andover

In Andover, the average commute time is 30 minutes.

Commute time
30 min
5.3% year-over-year change
Means of transportation
Value Percent YoY change
Car 206 96.7% 3.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Andover by zipcode?

Zipcode Population Number of households Median income Average income
61262 1,197 423 $86,250 $87,178

Explore more communities

FAQs about Andover demographics 

What is the total population of Andover?

Andover has a total population of 434 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +2.1% compared to a year ago.

What is the gender ratio in Andover?

The gender ratio in Andover is as follows:
  • 53.2% males (231 residents)
  • 46.8% females (203 residents)

What is the median age in Andover?

The median age in Andover is 44.8.

What is the age distribution of the population in Andover?

The age distribution in Andover is as follows:
  • Under 15: 11.3% (49 residents)
  • Ages 15-24: 13.8% (60 residents)
  • Ages 25-44: 25.4% (110 residents)
  • Ages 45-64: 28.8% (125 residents)
  • Over 65: 20.7% (90 residents)

What is the racial and ethnic makeup of Andover?

The racial and ethnic makeup of Andover is as follows:
  • White: 88% (382 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.7% (3 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 11.3% (49 residents)
  • Other: 0% (0 residents)

What percentage of the population in Andover are U.S.-born citizens?

U.S.-born citizens represent 98.2% of the population in Andover.

How many housing units are there in Andover?

There are 189 housing units in Andover, reflecting a +2.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Andover and what is the average household size?

Andover has a total of 189 households, with an average of 2 people in each.

What is the median household income in Andover?

Andover has a median household income of $77,813, representing a +14.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Andover?

The employment rate is 96.5% in Andover, with a workforce of 222 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 72.1% (160 residents)
  • Blue-collar workers: 27.9% (62 residents)

Places of employment:
  • Self-employed: 6.8% (15 residents)
  • Private companies: 82% (182 residents)
  • Governmental workers: 9.9% (22 residents)
  • Not-for-profit companies: 1.4% (3 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025