Illinois · Census, HUD and BEA figures · Updated

Cost of Living in Washington County, IL

Prices around Washington County, IL run about the same as the U.S. average (BEA, Illinois). The typical household there earns $78,224 a year, and HUD puts a two-bedroom at $916 a month. Keeping that rent under 30% of income takes about $36,640 a year.

Washington County, IL at a glance

Median household income

$78,224$6,519 per month · U.S. Census Bureau ACS 5-Year
2-bedroom rent$916HUD FY2026 Fair Market Rent
Price level (U.S. = 100)100.0+0% · BEA, Illinois
Electricity19.9¢per kWh · EIA Residential IL
Population13,627Census ACS 5-year estimate

How much rent can you afford in Washington County, IL?

HUD’s fair market rent for each size, against what a typical household here earns. Change the income to see yours.

Affordable (< 30% of income)
HUD Fair Market Rent$916Monthly market rent
Share of gross income14.1%Recommended max: 30%
Annual income needed$36,640To meet the 30% standard
Max affordable rent$1,956At 30% of $78,224
0%30% (Affordability standard)100%
Compare against:

How much is rent in Washington County, IL? By bedroom, 2026

HUD's fiscal 2026 Fair Market Rents for Washington County, IL, with the income each one takes if rent stays under 30% of it.

HUD Fair Market Rent in Washington County, IL, fiscal 2026
Unit SizeMonthly RentAnnual Rent30% Rule Min. Income% of Median Income
Studio / Efficiency$632$7,584$25,2809.7%
1-Bedroom Apartment$836$10,032$33,44012.8%
2-Bedroom ApartmentBenchmark$916$10,992$36,64014.1%
3-Bedroom Home$1,242$14,904$49,68019.1%
4-Bedroom Home$1,268$15,216$50,72019.5%

Rent in Washington County, IL, with the wage each unit needs →

What a typical income covers in Washington County, IL

The 50/30/20 rule applied to the local median of $78,224 a year ($6,519 a month before tax).

Needs (50%)$3,259/moRent ($916 2-BR), utilities (~$179/mo), groceries, transit
Wants (30%)$1,956/moEating out, travel, subscriptions and the rest
Savings and debt (20%)$1,304/moEmergency fund, retirement, paying down loans

What $78,224 leaves after Illinois taxes

Federal income tax, Social Security, Medicare and Illinois tax on the local median income. Change the salary to see yours.

$78,224
$30,000$160,000
Filing status:
Gross salary breakdown$78,224
Net 77%
Fed 11%
IL 5%
FICA 8%
Annual take-home$60,133After all taxes
Monthly deposit$5,011Estimated per month
Biweekly paycheck$2,313Every 2 weeks (26/yr)
Effective tax rate23.1%Total tax burden
Federal income tax$8,379 / yr
Illinois state income tax$3,727 / yr
FICA (Social Security & Medicare)$5,984 / yr

Living in Washington County, IL: common questions

What is the median household income in Washington County, IL?

According to the latest U.S. Census Bureau ACS 5-Year survey, the median household income in Washington County, IL is $78,224 per year (approximately $6,519 per month).

What is the average rent in Washington County, IL?

The closest official figure is HUD's Fair Market Rent for 2026: $632 for a studio, $836 for one bedroom, $916 for two, $1,242 for three and $1,268 for four, utilities included.

It is not an average of listings. HUD sets it at the rent 40% of recent movers paid or less for a standard unit, so a new lease on a nicer place will usually cost more.

Is Washington County, IL expensive to live in?

Prices there run about the same as the U.S. average. BEA's regional price parity for Illinois is 100.0, where the U.S. is 100. Rent moves the number most: housing is where places differ, while goods cost about the same everywhere.

How much do you need to earn to comfortably afford rent in Washington County, IL?

To keep a $916 two-bedroom under 30% of gross income, a household needs about $36,640 a year, or $3,053 a month. That is 47% of what the typical household in Washington County, IL earns.

How much do you need to live comfortably in Washington County, IL?

On the local median income of $78,224 ($6,519 a month before tax), the 50/30/20 rule leaves $3,259 a month for needs like rent, utilities and groceries, $1,956 for everything else and $1,304 for savings or debt. A two-bedroom at $916 takes 28% of the needs share.

How much is the electric bill in Washington County, IL?

Homes in Illinois paid 19.9¢ per kWh on average (EIA). At 900 kWh a month, a typical use, that is about $179. Your bill depends mostly on heating and cooling.