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ZIP Code · PA

ZIP 15642

Part of Irwin, PA
Pop. 46,325·Westmoreland County·179th most expensive ZIP in Pennsylvania
Median rent (all units)
$1,424/mo
Year-over-Year
+19.6%
Month-over-Month
+14.0%
vs US Median
-$541
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 15642 · $1,424
More affordable than 79% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$940
1 BR
$1,010
2 BR
$1,220
3 BR
$1,560
4 BR+
$1,680
Research median
$1,220/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: July 20, 2026

Annual cost
$17,088/yr
At $1,424/mo median
Location
CityIrwin
StatePA
CountyWestmoreland County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 19.6% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+19.6% YoY, +14.0% MoM), not inventory.
Demographics

Who lives here

ZIP 15642 (Irwin, PA) is majority owner-occupied, has a large retiree population, has a median income above the national average, 42.1% of residents hold a bachelor's degree or higher.

Population
46,325
Median income
$97,706
Median age
45
Renters
14.8%
Age distribution
21.1%
15.5%
27%
15.6%
20.8%
Under 1821.1%
18–3415.5%
35–5427%
55–6415.6%
65+20.8%
Gender
49.3%
50.7%
Male49.3%
Female50.7%
Race & ethnicity
94.2%
White94.2%
Black0.6%
Hispanic1.5%
Asian0.9%
Other2.8%
Education (25+)
29.5%
25.8%
42.1%
No HS diploma2.6%
HS diploma29.5%
Some college25.8%
Bachelor's+42.1%
Housing tenure
85.2%
14.8%
Owner85.2%
Renter14.8%

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

2021 vs 2026

How ZIP 15642 in Irwin, PA has changed in 5 years

Income
$79,322 → $97,706
up 23.2%
Population
46,257 → 46,325
up 0.1%
Renter share
14.7% → 14.8%
+0.1 pts
Bachelor's+
39.2% → 42.1%
+2.9 pts

Census figures show median household income at $97,706 today, compared with $79,322 five years earlier. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 39.2% to 42.1%.

Community

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Local insights

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About renting in ZIP 15642

Last updated: July 20, 2026

ZIP code 15642 covers Irwin, PA. The median rent here is $1,424/mo as of July 2026. A 1-bedroom rents for a median of $1,010/mo. A 2-bedroom rents for a median of $1,220/mo.

At 17% of local median household income ($97,706/yr), ZIP 15642 ranks as affordable compared to the national benchmark of 30%. Rents have increased 19.6% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 15642?

As of July 20, 2026, the median monthly rent in ZIP 15642 (Irwin, PA) is $1,424. This is based on aggregated data from public sources and community submissions.

How does ZIP 15642 rent compare to the US average?

ZIP 15642's median rent of $1,424/mo is $541 (28%) below the US national median of $1,965/mo.

How does ZIP 15642 compare to other ZIPs in Pennsylvania?

ZIP 15642 falls in the middle range for Pennsylvania, ranking #179 out of 270 ZIPs at $1,424/mo.

How much income do you need to rent in ZIP 15642?

To keep rent at or below 30% of gross income, you would need to earn at least $57,000/year (~$27/hour full-time) to afford the median rent of $1,424/mo in ZIP 15642. The local median household income is $97,706/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 15642?

Rent in ZIP 15642 has increased 19.6% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 15642 an affordable place to rent?

ZIP 15642 is considered very affordable for renters. At $1,424/mo, rent takes approximately 17% of the local median household income ($97,706/yr). The standard benchmark is 30%. ZIP 15642 falls comfortably within that range.

What percentage of ZIP 15642 residents rent vs. own?

According to Census data, approximately 14.8% of ZIP 15642 households are renters, while 85.2% are owner-occupied. ZIP 15642 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 15642 compare to the rest of Irwin?

ZIP 15642 is more affordable than Irwin overall. At $1,424/mo, it's $74 below the Irwin citywide median of $1,498/mo.

When was rent data for ZIP 15642 last updated?

Rent data for ZIP 15642 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
17%
VERY AFFORDABLE

At $1,424/mo, rent takes ~17% of ZIP 15642's median household income ($97,706/yr). The standard benchmark is 30%.

ZIP 15642 17%Benchmark 30%
State income tax3.07%
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Schools nearby

Public schools near ZIP 15642 (Irwin, PA)

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