Washington, IL demographics:
population, income, and more

Total population
15,919
-0.2% year-over-year change
Median household income
$95,179/yr
4.2% year-over-year change
Housing units
6,267
-0.9% year-over-year change

Washington population

How many people live in Washington

Washington is home to 15,919 residents, according to the most recent Census data. Gender-wise, 47.3% of Washington locals are male, and 52.7% are female.

Total population
15,919
-0.2% year-over-year change
Gender ratio
Male
47.3%
7,527
Female
52.7%
8,392
Value Percent YoY change
Male 7,527 47.3% 0.3%
Female 8,392 52.7% -0.6%
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 Washington is 38, with the population distributed as follows: about 22.4% are children under 15, then 12.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.6% of the population, while another 23.2% fall into the 45 to 64 bracket. Finally, around 16.3% are 65 or older.

Median age
38.2
Age breakdown
Under 15
22.4%
15 to 24
12.6%
25 to 44
25.6%
45 to 64
23.2%
Over 65
16.3%
Value Percent YoY change
Under 15 3,562 22.4% -6.4%
15 to 24 1,999 12.6% 12.4%
25 to 44 4,072 25.6% -1.2%
45 to 64 3,691 23.2% 3.7%
Over 65 2,595 16.3% -3.2%
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 Washington, 97.7% of the population are US-born citizens, while 1.8% have gained naturalized citizenship. At the same time, 0.6% of residents are non-citizens. As for race, 95.3% of locals are Caucasian, 0.4% are African American and 1.2% have Asian roots. There’s also a share of 2.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.7%
Non-U.S.-born citizens
1.8%
Non-citizens
0.6%
Value Percent YoY change
U.S.-born citizens 15,549 97.7% -0.0%
Non-U.S.-born citizens 278 1.8% -9.2%
Non-citizens 92 0.6% 3.4%
Racial breakdown
White
95.3%
Black or African American
0.4%
American Indian and Alaska Native
0%
Asian
1.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.5%
Other
0.6%
Value Percent
White 15,171 95.3%
Black or African American 69 0.4%
Asian 188 1.2%
Two or more races 396 2.5%
Other 95 0.6%

Households in Washington

A peek inside Washington households

Washington has 6,053 households, with an average of 3 members in each. Of these, 64.9% are families, while the remaining 35.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
6,053
-0.9% year-over-year change
Average people per household
3
Non-family households
2,124
Family households
3,929
Value Percent YoY change
Non-family households 2,124 35.1% -3.6%
Family households 3,929 64.9% 0.6%
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 Washington

The housing landscape of Washington

Washington's housing consists of 6,267 units, with 79% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.1% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.5% of the housing landscape.

Housing units
6,267
-0.9% year-over-year change
Housing types
Value Percent
1 unit, detached 4,954 79%
1 unit, attached 383 6.1%
2 units 144 2.3%
3 or 4 units 48 0.8%
5 to 9 units 463 7.4%
10 to 19 units 71 1.1%
20 to 49 units 20 0.3%
50 or more units 155 2.5%
Mobile home 29 0.5%
Homes built since 2020
25
108.3% year-over-year change

The age of buildings in Washington

In Washington, the median construction year is 1978. About 11.9% of homes were built before the 1940s, with another 7% going up by 1949. Most development happened in the second half of the 20th century. Then, 18.2% of homes were added from 2000 to 2009, 17.6% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 748 11.9% -9.1%
Built between 1940 and 1949 436 7% -11.2%
Built between 1950 and 1959 534 8.5% -5.2%
Built between 1960 and 1969 666 10.6% -2.9%
Built between 1970 and 1979 942 15% 18.6%
Built between 1980 and 1989 224 3.6% 21.1%
Built between 1990 and 1999 451 7.2% -2.0%
Built between 2000 and 2009 1,141 18.2% -14.2%
Built between 2010 and 2019 1,100 17.6% 12.4%
Built in 2020 or later 25 0.4% 108.3%
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.

Washington occupancy rates

Out of the 6,053 occupied housing units in Washington, 80.4% are owner-occupied, while 19.6% are lived in by tenants. Meanwhile, 3.4% of all homes on the local market sit vacant.

Occupied housing units
6,053
-0.9% year-over-year change
Occupancy breakdown
Renter occupied
1,184
Owner occupied
4,869
Value Percent YoY
change
Renter occupied 1,184 19.6% -3.1%
Owner occupied 4,869 80.4% -0.3%
Unoccupied housing units
3.4%
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.

Washington housing costs

Housing costs in Washington come to a median of $1,282 per month, while tenants specifically pay a median gross rent of $1,155.

Median housing costs per month
$1,282/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 Washington
$1,155/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 Washington

Washington education at a glance

About 26% of the population in Washington went to high school, while 20.2% pursued college studies. Another 12.5% earned an associate degree and 26.4% hold a bachelor’s. Meanwhile, 14.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 37 0.3% -11.9%
High school diploma 2,947 26% 5.7%
College diploma 2,282 20.2% -2.1%
Associate degree 1,410 12.5% 3.1%
Bachelor's degree 2,982 26.4% -1.3%
Graduate degree 1,653 14.6% 3.8%
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 Washington

How much people earn in Washington

The average annual household income in Washington was $116,408 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.8% change from the previous year. At the same time, the median income stood at $95,179, reflecting a +4.2% shift over the same period.

Average household income in Washington
$116,408/year
6.8% year-over-year change
Median household income in Washington
$95,179/year
4.2% year-over-year change

Washington income by age

In Washington, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $110,863. Those with someone between 45 and 64 in charge, often well established professionally, earn $124,735 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $81,827, while those led by someone over 65, many of whom may be retired, have about $59,167 in earnings. Overall, 94.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $81,827 N/A
25 - 44 $110,863 10.7%
45 - 64 $124,735 6.2%
Over 65 $59,167 -2.8%
Above poverty level
14,926
Below poverty level
809
Value Percent YoY
change
Above poverty level 14,926 94.9% -0.4%
Below poverty level 809 5.1% 7.7%

Average renter income in Washington

To get a better sense of what renters earn on average in Washington, their median household income was $53,798 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 25.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$53,798
Rent-to-income ratio
25.8%
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 Washington

Workforce and job types in Washington

The job market in Washington is powered by 7,851 working residents, spread across a range of industries and roles. 85.6% of the working population are employed in professional or administrative positions, while 14.4% are in hands-on or service-based jobs. Also, 7% run their own businesses, 64.8% are employed by private companies, and 15.9% work in the public sector.

Workforce demographics

Working population
7,851
4.3% year-over-year change
White collar
6,717
Blue collar
1,134
Value Percent YoY change
White collar 6,717 85.6% 3.7%
Blue collar 1,134 14.4% 7.7%
Employer type
Self employees
7%
Private companies
64.8%
Governmental workers
15.9%
Not for profit companies
12.3%
Value Percent YoY change
Self employees 550 7% 23.0%
Private companies 5,086 64.8% 0.6%
Governmental workers 1,246 15.9% 9.8%
Not for profit companies 969 12.3% 8.4%
Unemployment rate
1.0%
-16.0% year-over-year change

Available workforce

The unemployment rate in Washington stands at 1%, 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 Washington

How people get around in Washington

In Washington, the average commute time is 20 minutes. Commuting methods vary: 82.3% of residents travel by personal vehicle and 2.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
20 min
-3.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 6,380 82.3% 1.2%
Bicycle 26 0.3% 44.4%
Walk 181 2.3% 23.1%
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 Washington by zipcode?

Zipcode Population Number of households Median income Average income
61571 24,470 9,730 $90,386 $111,477

Explore more communities

FAQs about Washington demographics 

What is the total population of Washington?

Washington has a total population of 15,919 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 -0.2% compared to a year ago.

What is the gender ratio in Washington?

The gender ratio in Washington is as follows:
  • 47.3% males (7,527 residents)
  • 52.7% females (8,392 residents)

What is the median age in Washington?

The median age in Washington is 38.2.

What is the age distribution of the population in Washington?

The age distribution in Washington is as follows:
  • Under 15: 22.4% (3,562 residents)
  • Ages 15-24: 12.6% (1,999 residents)
  • Ages 25-44: 25.6% (4,072 residents)
  • Ages 45-64: 23.2% (3,691 residents)
  • Over 65: 16.3% (2,595 residents)

What is the racial and ethnic makeup of Washington?

The racial and ethnic makeup of Washington is as follows:
  • White: 95.3% (15,171 residents)
  • Black or African American: 0.4% (69 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 1.2% (188 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 2.5% (396 residents)
  • Other: 0.6% (95 residents)

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

U.S.-born citizens represent 97.7% of the population in Washington.

How many housing units are there in Washington?

There are 6,267 housing units in Washington, reflecting a -0.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Washington has a total of 6,053 households, with an average of 3 people in each.

What is the median household income in Washington?

Washington has a median household income of $95,179, representing a +4.2% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 99% in Washington, with a workforce of 7,851 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 85.6% (6,717 residents)
  • Blue-collar workers: 14.4% (1,134 residents)

Places of employment:
  • Self-employed: 7% (550 residents)
  • Private companies: 64.8% (5,086 residents)
  • Governmental workers: 15.9% (1,246 residents)
  • Not-for-profit companies: 12.3% (969 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