ZIP Code · IL

ZIP 61103

Part of Rockford, IL

Pop. 22,869·Winnebago County·197th most expensive ZIP in Illinois

Median rent (all units)

$1,221/mo

Year-over-Year

+7.9%

Month-over-Month

Stable

vs US Median

-$711

Reported rents

Stable (Monthly)

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Most AffordableMost Expensive

ZIP 61103 · $1,221

More affordable than 90% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$770

1 BR

$850

2 BR

$1,110

3 BR

$1,470

4 BR+

$1,510

Research median

$1,110/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 61103 is at its highest level since Zillow's records here began in December 2021.

Past year vs. the rest of Illinois

Rent in ZIP 61103 changed +7.9% over the year to September 2026. Across the 172 Illinois ZIP codes Zillow tracks, the typical change was +4.7%.

Recent direction

Rent has risen 3 months in a row, and rose in 11 of the last 12 months.

What a typical income covers

30% of the median household income ($51,161) is $1,279 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($1,110); a 3-bedroom is $1,470.

Rank in Rockford

3rd cheapest of 5 ZIP codes in Rockford.

From Zillow's monthly rent index (ZORI) for ZIP 61103. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$14,652/yr

At $1,221/mo median

Location

CityRockford

StateIL

CountyWinnebago County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 7.9% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+7.9% YoY, +0.1% MoM), not inventory.

Demographics

Who lives here

ZIP 61103 (Rockford, IL) is roughly split between renters and owners, has a median income below the national average, 19.7% of residents hold a bachelor's degree or higher.

Population

22,869

Median income

$51,161

Median age

40.5

Renters

48.4%

Age distribution

21.3%

20.9%

25.5%

13.3%

18.9%

Under 1821.3%

18–3420.9%

35–5425.5%

55–6413.3%

65+18.9%

Gender

48.1%

51.9%

Male48.1%

Female51.9%

Race & ethnicity

57.7%

24.3%

12.3%

White57.7%

Black24.3%

Hispanic12.3%

Asian0.6%

Other5.1%

Education (25+)

14.9%

31.3%

34.2%

19.7%

No HS diploma14.9%

HS diploma31.3%

Some college34.2%

Bachelor's+19.7%

Housing tenure

51.6%

48.4%

Owner51.6%

Renter48.4%

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

2022 vs 2026

How ZIP 61103 in Rockford, IL has changed in 5 years

Rent

$854 → $1,221

up 43.0%

Income

$43,934 → $51,161

up 16.4%

Population

23,446 → 22,869

down 2.5%

Renter share

47.9% → 48.4%

+0.5 pts

Bachelor's+

21.9% → 19.7%

-2.2 pts

Median age

41.2 → 40.5

-0.7 yrs

Compared with 2022, rent in ZIP 61103 in Rockford, IL has increased by $367 per month, settling near $1,221 after starting the period at $854. On the earnings side, the typical household in ZIP 61103 in Rockford, IL now reports about $51,161, up from $43,934 in 2021. Rent outpaced income growth by roughly 26.6 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Headcount in the area went from 23,446 to 22,869 between 2021 and 2024, a 2.5% change. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher slipped from 21.9% to 19.7%. For context, the 2022 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 61103 in Rockford, IL reflects that arc in its own way.

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About renting in ZIP 61103

Last updated: October 17, 2026

ZIP code 61103 covers Rockford, IL. The median rent here is $1,221/mo as of October 2026. A 1-bedroom rents for a median of $850/mo. A 2-bedroom rents for a median of $1,110/mo.

At 29% of local median household income ($51,161/yr), ZIP 61103 ranks as affordable compared to the national benchmark of 30%. Rents have increased 7.9% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 61103?

To keep rent at or below 30% of gross income, you would need to earn at least $49,000/year (about $24/hour full-time) to afford the median rent of $1,221/mo in ZIP 61103. The local median household income is $51,161/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 61103?

Rent in ZIP 61103 has risen 7.9% over the past year as of September 2026. That is the highest level since Zillow's records here began in December 2021.

How does ZIP 61103 compare to other ZIPs in Illinois?

ZIP 61103 is one of the more affordable among Illinois ZIP codes for rent, ranking #197 of 227 at $1,221/mo. Over the year to September 2026, rent in ZIP 61103 changed +7.9%, against a typical +4.7% across the 172 Illinois ZIP codes Zillow tracks.