ZIP Code · IL

ZIP 61604

Part of Peoria, IL

Pop. 28,313·Peoria County·213th most expensive ZIP in Illinois

Median rent (all units)

$1,084/mo

Year-over-Year

+3.8%

Month-over-Month

-0.6%

vs US Median

-$848

Reported rents

Falling (Monthly)

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Most AffordableMost Expensive

ZIP 61604 · $1,084

More affordable than 96% of US ZIP codes · National median $1,932/mo

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Compare your rent to the local median.

Medians by bedroom

Rent by unit size

Studio

$770

1 BR

$830

2 BR

$1,050

3 BR

$1,360

4 BR+

$1,460

Research median

$1,050/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Compared with the peak

Rent in ZIP 61604 is 0.6% below its high of $1,091 in August 2026, at $1,084 as of September 2026.

Past year vs. the rest of Illinois

Rent in ZIP 61604 changed +3.8% over the year to September 2026. Across the 172 Illinois ZIP codes Zillow tracks, the typical change was +4.7%.

Recent direction

Rent rose in 7 of the last 12 months.

What a typical income covers

30% of the median household income ($52,414) is $1,310 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($1,050); a 3-bedroom is $1,360.

Rank in Peoria

2nd cheapest of 5 ZIP codes in Peoria.

Cheaper nearby

ZIP 61605, 2 miles away, rents for 21% less ($856/mo), about $2,700 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 61604. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$13,008/yr

At $1,084/mo median

Location

CityPeoria

StateIL

CountyPeoria County

Rent Market Meter

Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are climbing (3.8% YoY), so leverage tilts toward landlords. Act sooner rather than later.

Based on rent-price momentum (+3.8% YoY, -0.6% MoM), not inventory.

Demographics

Who lives here

ZIP 61604 (Peoria, IL) is majority owner-occupied, has a median income below the national average, 22.5% of residents hold a bachelor's degree or higher.

Population

28,313

Median income

$52,414

Median age

40.2

Renters

32%

Age distribution

23.6%

19.3%

23.7%

13.3%

20%

Under 1823.6%

18–3419.3%

35–5423.7%

55–6413.3%

65+20%

Gender

49%

51%

Male49%

Female51%

Race & ethnicity

56.9%

25.5%

White56.9%

Black25.5%

Hispanic8.1%

Asian1.5%

Other7.9%

Education (25+)

33.5%

33.2%

22.5%

No HS diploma10.8%

HS diploma33.5%

Some college33.2%

Bachelor's+22.5%

Housing tenure

68%

32%

Owner68%

Renter32%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2023 vs 2026

How ZIP 61604 in Peoria, IL has changed in 5 years

Rent

$847 → $1,084

up 28.0%

Income

$46,783 → $52,414

up 12.0%

Population

28,828 → 28,313

down 1.8%

Renter share

33.5% → 32%

-1.5 pts

Bachelor's+

23% → 22.5%

-0.5 pts

Median age

39 → 40.2

+1.2 yrs

Since 2023, the typical rent in ZIP 61604 in Peoria, IL has increased from $847 to $1,084, a 28.0% change over five years. Census figures show median household income at $52,414 today, compared with $46,783 five years earlier. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. The population has contracted by 1.8% since 2021, moving from about 28,828 residents to roughly 28,313. Renters now make up 32% of households, compared with 33.5% five years ago. The combined trend lines point to a market that has changed measurably from where it stood in early 2023.

Community

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Local insights

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About renting in ZIP 61604

Last updated: October 17, 2026

ZIP code 61604 covers Peoria, IL. The median rent here is $1,084/mo as of October 2026. A 1-bedroom rents for a median of $830/mo. A 2-bedroom rents for a median of $1,050/mo.

At 25% of local median household income ($52,414/yr), ZIP 61604 ranks as affordable compared to the national benchmark of 30%. Rents have increased 3.8% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 61604?

To keep rent at or below 30% of gross income, you would need to earn at least $43,000/year (about $21/hour full-time) to afford the median rent of $1,084/mo in ZIP 61604. The local median household income is $52,414/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 61604?

Rent in ZIP 61604 has risen 3.8% over the past year as of September 2026. It sits 0.6% below its high of $1,091 in August 2026.

How does ZIP 61604 compare to other ZIPs in Illinois?

ZIP 61604 is one of the more affordable among Illinois ZIP codes for rent, ranking #213 of 227 at $1,084/mo. Over the year to September 2026, rent in ZIP 61604 changed +3.8%, against a typical +4.7% across the 172 Illinois ZIP codes Zillow tracks.