Biggest seasonal rent swings in Oregon

How far typical asking rents move between the cheapest and priciest month in Oregon cities, from at least five years of Zillow data. Cities with 15,000+ residents.

Key findings

Lake Oswego ranks first, with a swing of 3.8% between January and July.
Across all 18 cities on this list, the median rent is $1,809/mo.

Data as of September 2026. Gap between the cheapest and priciest calendar month, from Zillow's unadjusted and seasonally adjusted rent indexes over five or more years. Updated monthly. Download this list (CSV)

Best value (RRS)Overheated (RRS)Most affordable Most expensive Rent falling Rent rising Best rent/income Most rent-burdened Record-high rent Seasonal swings Rent vs. income

18 cities

Rank	City	Yearly swing	Cheapest month	Priciest month	Median rent
01	Lake OswegoOR Pop. 40KCompare →	3.8%	January	July	$2,218/mo
02	BendOR Pop. 103KCompare →	3.6%	January	July	$2,284/mo
03	TualatinOR Pop. 28KCompare →	3.6%	March	July	$1,882/mo
04	WilsonvilleOR Pop. 27KCompare →	3.5%	January	August	$1,806/mo
05	HillsboroOR Pop. 108KCompare →	3.4%	February	August	$1,969/mo
06	TigardOR Pop. 56KCompare →	3.2%	January	August	$1,798/mo
07	West LinnOR Pop. 27KCompare →	3.1%	February	August	$2,437/mo
08	MilwaukieOR Pop. 21KCompare →	2.9%	February	September	$1,809/mo
09	CorvallisOR Pop. 60KCompare →	2.9%	December	August	$1,775/mo
10	Oregon CityOR Pop. 38KCompare →	2.3%	January	September	$2,006/mo
11	BeavertonOR Pop. 98KCompare →	2.3%	January	August	$1,871/mo
12	Happy ValleyOR Pop. 27KCompare →	2.3%	January	September	$1,871/mo
13	PortlandOR Pop. 641KCompare →	2.2%	February	August	$1,719/mo
14	SalemOR Pop. 179KCompare →	2.0%	January	September	$1,611/mo
15	SpringfieldOR Pop. 61KCompare →	1.9%	January	September	$1,689/mo
16	EugeneOR Pop. 180KCompare →	1.6%	December	June	$1,795/mo
17	GreshamOR Pop. 112KCompare →	1.4%	January	September	$1,601/mo
18	MedfordOR Pop. 86KCompare →	0.9%	December	April	$1,728/mo