Rent Tracker
Rent Inflation in Portland, ME
The average asking rent in Portland, ME is $2,342/month as of 2026-08. That is +2.4% compared to a year ago.
Source: Zillow Observed Rent Index (ZORI) | zillow.com/research
Current Avg Rent
$2,342/mo
as of 2026-08
Year-over-Year Change
+2.4%
24-Month Rent Trend
Monthly ZORI index values for Portland, ME.
| Month | Avg Asking Rent | Change from Prior Month |
|---|---|---|
| 2026-08 | $2,342 | +0.17% |
| 2026-07 | $2,338 | +0.56% |
| 2026-06 | $2,325 | +0.78% |
| 2026-05 | $2,307 | +0.30% |
| 2026-04 | $2,300 | +1.10% |
| 2026-03 | $2,275 | +1.16% |
| 2026-02 | $2,249 | +0.76% |
| 2026-01 | $2,232 | +0.22% |
| 2025-12 | $2,227 | -0.49% |
| 2025-11 | $2,238 | -0.44% |
| 2025-10 | $2,248 | -1.19% |
| 2025-09 | $2,275 | -0.52% |
| 2025-08 | $2,287 | +0.18% |
| 2025-07 | $2,283 | +0.66% |
| 2025-06 | $2,268 | +0.89% |
| 2025-05 | $2,248 | +0.81% |
| 2025-04 | $2,230 | +1.50% |
| 2025-03 | $2,197 | +1.15% |
| 2025-02 | $2,172 | +0.42% |
| 2025-01 | $2,163 | +0.42% |
| 2024-12 | $2,154 | -0.60% |
| 2024-11 | $2,167 | -0.51% |
| 2024-10 | $2,178 | -1.18% |
| 2024-09 | $2,204 | — |
Why Rent Inflation Matters
Shelter is the single largest component of the official CPI, accounting for roughly one-third of the index. But the BLS shelter index tends to lag real-market rent changes by 12–18 months because it measures rents paid by all tenants — including long-term renters locked into old leases. ZORI measures asking rents for new leases, making it a timelier signal of where CPI shelter inflation is headed.
When ZORI is rising sharply in your city, it is a leading indicator that official shelter inflation — and therefore overall CPI — will remain elevated in coming months.
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Data Source
Rent data uses the Zillow Observed Rent Index (ZORI), a smoothed measure of typical market-rate asking rents updated monthly by Zillow Research. ZORI covers single-family homes, condos, and co-ops and reflects asking rents for new leases — making it a more timely indicator than the lagged BLS shelter index. zillow.com/research | Money & Prices