Rent rising fastest in Colorado

Cities in Colorado with the largest year-over-year rent increases. Cities with 15,000+ residents. Updated monthly.

Key findings

Louisville ranks first, with +7.2% over the past year.
Across all 28 cities on this list, the median rent is $2,079/mo.
Louisville moved from #23 to #1 compared with a year ago.

Data as of September 2026. Change in Zillow's rent index over the past 12 months. Rank a year ago uses the change over the 12 months before that. 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

28 cities

Rank	City	1-yr change	Median rent	5-yr change	Vs. a year ago
01	LouisvilleCO Pop. 21KCompare →	+7.2%	$2,288/mo	+22.9%	↑22 from #23
02	MontroseCO Pop. 21KCompare →	+6.2%	$1,903/mo	--	↑1 from #3
03	ErieCO Pop. 34KCompare →	+6.2%	$2,776/mo	+21.4%	↑16 from #19
04	FountainCO Pop. 29KCompare →	+6.0%	$2,079/mo	+23.5%	↑3 from #7
05	EvansCO Pop. 22KCompare →	+3.9%	$1,747/mo	--	↑13 from #18
06	Security-WidefieldCO Pop. 37KCompare →	+3.6%	$2,294/mo	+24.2%	↓4 from #2
07	JohnstownCO Pop. 19KCompare →	+3.2%	$1,993/mo	--	↓3 from #4
08	BoulderCO Pop. 106KCompare →	+3.0%	$2,435/mo	+22.5%	↑2 from #10
09	CliftonCO Pop. 20KCompare →	+2.9%	$1,385/mo	--	--
10	Colorado SpringsCO Pop. 488KCompare →	+2.8%	$1,717/mo	+11.5%	↑7 from #17
11	Fort CollinsCO Pop. 170KCompare →	+1.9%	$1,959/mo	+22.1%	↓5 from #6
12	BrightonCO Pop. 42KCompare →	+1.9%	$1,980/mo	+11.4%	↑13 from #25
13	Greenwood VillageCO Pop. 15KCompare →	+1.8%	$2,224/mo	+4.3%	↑14 from #27
14	Castle RockCO Pop. 79KCompare →	+1.7%	$2,333/mo	+13.5%	↓3 from #11
15	LafayetteCO Pop. 31KCompare →	+1.4%	$2,193/mo	+17.5%	↓6 from #9
16	LovelandCO Pop. 78KCompare →	+1.4%	$1,932/mo	+19.1%	↓8 from #8
17	LongmontCO Pop. 99KCompare →	+1.4%	$1,883/mo	+12.2%	↑7 from #24
18	WindsorCO Pop. 38KCompare →	+1.2%	$2,222/mo	--	↓4 from #14
19	Wheat RidgeCO Pop. 32KCompare →	+1.1%	$1,881/mo	+16.6%	↓4 from #15
20	Highlands RanchCO Pop. 102KCompare →	+1.1%	$2,559/mo	+14.7%	same
21	BroomfieldCO Pop. 76KCompare →	+1.1%	$2,115/mo	+8.2%	↑1 from #22
22	WestminsterCO Pop. 115KCompare →	+0.9%	$1,872/mo	+9.7%	↓1 from #21
23	Grand JunctionCO Pop. 68KCompare →	+0.8%	$1,783/mo	+28.5%	↓22 from #1
24	Commerce CityCO Pop. 66KCompare →	+0.8%	$2,489/mo	+19.4%	↓12 from #12
25	CentennialCO Pop. 108KCompare →	+0.8%	$2,203/mo	+11.7%	↓9 from #16
26	DurangoCO Pop. 19KCompare →	+0.7%	$1,940/mo	+18.1%	↓21 from #5
27	ArvadaCO Pop. 123KCompare →	+0.5%	$2,088/mo	+16.7%	↓14 from #13
28	DenverCO Pop. 719KCompare →	+0.2%	$1,855/mo	+6.6%	↓2 from #26