ZIP Code · OH

ZIP 45040

Part of Mason, OH

Pop. 59,518·Warren County·5th most expensive ZIP in Ohio

Median rent (all units)

$2,118/mo

Year-over-Year

+0.9%

Month-over-Month

-0.4%

vs US Median

+$186

Reported rents

Stable (Monthly)

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Most AffordableMost Expensive

ZIP 45040 · $2,118

More expensive than 67% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,440

1 BR

$1,580

2 BR

$2,030

3 BR

$2,680

4 BR+

$2,960

Research median

$2,030/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

Cheapest month to sign

February. Asking rents in ZIP 45040 usually run 0.7% below trend in February and 0.5% above it in June, about $25 a month apart at today's median. Based on 8 years of data.

Compared with the peak

Rent in ZIP 45040 is 0.4% below its high of $2,126 in August 2026, at $2,118 as of September 2026.

Past year vs. the rest of Ohio

Rent in ZIP 45040 changed +0.9% over the year to September 2026. Across the 190 Ohio ZIP codes Zillow tracks, the typical change was +3.8%.

Rent vs. income since 2019

From 2019 to 2024, rent in ZIP 45040 rose 36.8% while median household income rose 27.2% ($104,758 to $133,240). Rent outpaced income.

Since before the pandemic

Rent in ZIP 45040 is 43.1% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.

Recent direction

Rent rose in 7 of the last 12 months.

What a typical income covers

30% of the median household income ($133,240) is $3,331 a month. That covers HUD's Fair Market Rent for up to a 4-bedroom ($2,960).

Cheaper nearby

ZIP 45039, 4 miles away, rents for 10% less ($1,901/mo), about $2,600 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 45040. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$25,416/yr

At $2,118/mo median

Location

CityMason

StateOH

CountyWarren County

Rent Market Meter

Balanced Market

Renter's MarketBalancedLandlord's Market

Rents are roughly steady, with neither renters nor landlords holding a strong edge right now.

Based on rent-price momentum (+0.9% YoY, -0.4% MoM), not inventory.

Demographics

Who lives here

ZIP 45040 (Mason, OH) is majority owner-occupied, has a median income above the national average, 63% of residents hold a bachelor's degree or higher.

Population

59,518

Median income

$133,240

Median age

41.5

Renters

22.3%

Age distribution

24.7%

16.4%

30.8%

14%

14.1%

Under 1824.7%

18–3416.4%

35–5430.8%

55–6414%

65+14.1%

Gender

49.1%

50.9%

Male49.1%

Female50.9%

Race & ethnicity

69%

19.7%

White69%

Black3.6%

Hispanic4%

Asian19.7%

Other3.6%

Education (25+)

13.6%

20.1%

63%

No HS diploma3.3%

HS diploma13.6%

Some college20.1%

Bachelor's+63%

Housing tenure

77.7%

22.3%

Owner77.7%

Renter22.3%

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

2021 vs 2026

How ZIP 45040 in Mason, OH has changed in 5 years

Rent

$1,542 → $2,118

up 37.4%

Income

$117,487 → $133,240

up 13.4%

Population

56,659 → 59,518

up 5.0%

Renter share

23.5% → 22.3%

-1.2 pts

Bachelor's+

64.9% → 63%

-1.9 pts

Median age

39.9 → 41.5

+1.6 yrs

Compared with 2021, rent in ZIP 45040 in Mason, OH has increased by $576 per month, settling near $2,118 after starting the period at $1,542. Household income in the area moved from $117,487 to $133,240 across the same window, up 13.4% versus 2021. Rent outpaced income growth by roughly 24.0 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 56,659 to 59,518 between 2021 and 2024, a 5.0% change. Reading these numbers side by side helps frame whether current listings in ZIP 45040 in Mason, OH look reasonable against where the market sat half a decade ago.

Community

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Local insights

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About renting in ZIP 45040

Last updated: October 17, 2026

ZIP code 45040 covers Mason, OH. The median rent here is $2,118/mo as of October 2026. A 1-bedroom rents for a median of $1,580/mo. A 2-bedroom rents for a median of $2,030/mo.

At 19% of local median household income ($133,240/yr), ZIP 45040 ranks as affordable compared to the national benchmark of 30%. Rents have increased 0.9% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 45040?

To keep rent at or below 30% of gross income, you would need to earn at least $85,000/year (about $41/hour full-time) to afford the median rent of $2,118/mo in ZIP 45040. The local median household income is $133,240/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 45040?

Rent in ZIP 45040 has risen 0.9% over the past year as of September 2026. It sits 0.4% below its high of $2,126 in August 2026.

When is the cheapest time to rent in ZIP 45040?

Asking rents in ZIP 45040 are usually lowest in February, about 0.7% below their yearly trend, and highest in June, about 0.5% above it. At today's median that is a gap of roughly $25 a month. This pattern comes from 8 years of Zillow rent data.

Has rent outpaced income in ZIP 45040?

Yes. From 2019 to 2024, rent in ZIP 45040 rose 36.8% while median household income rose 27.2%, from $104,758 to $133,240. Rent is Zillow's yearly average; income is the Census 5-year estimate for the same years.

How does ZIP 45040 compare to other ZIPs in Ohio?

ZIP 45040 is one of the pricier among Ohio ZIP codes for rent, ranking #5 of 229 at $2,118/mo. Over the year to September 2026, rent in ZIP 45040 changed +0.9%, against a typical +3.8% across the 190 Ohio ZIP codes Zillow tracks.