ZIP 80229
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12-month history
Last updated: October 17, 2026
What the numbers show
January. Asking rents in ZIP 80229 usually run 1.9% below trend in January and 1.5% above it in September, about $56 a month apart at today's median. Based on 9 years of data.
Rent in ZIP 80229 is 7% below its high of $1,755 in April 2024, at $1,633 as of September 2026.
Rent in ZIP 80229 changed -1.4% over the year to September 2026. Across the 155 Colorado ZIP codes Zillow tracks, the typical change was +1.3%.
From 2019 to 2024, rent in ZIP 80229 rose 31% while median household income rose 39.5% ($60,350 to $84,203). Income kept ahead of rent.
Rent in ZIP 80229 is 20.3% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.
Rent has fallen 3 months in a row, and rose in 3 of the last 12 months.
30% of the median household income ($84,203) is $2,105 a month. That covers HUD's Fair Market Rent for up to a 1-bedroom ($1,790); a 2-bedroom is $2,130.
1st cheapest of 4 ZIP codes in Thornton.
ZIP 80030, 5 miles away, rents for 17% less ($1,355/mo), about $3,300 a year in savings.
From Zillow's monthly rent index (ZORI) for ZIP 80229. 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.
Who lives here
ZIP 80229 (Thornton, CO) is majority owner-occupied, 20.8% of residents hold a bachelor's degree or higher.
Source: U.S. Census Bureau · ACS 2024 5-Year Estimates
How ZIP 80229 in Thornton, CO has changed in 5 years
Rent in ZIP 80229 in Thornton, CO has increased 14.7% since 2021, going from about $1,424 per month to roughly $1,633 today. On the earnings side, the typical household in ZIP 80229 in Thornton, CO now reports about $84,203, up from $67,268 in 2021. Income growth outran rent by about 10.5 percentage points, easing the affordability math somewhat compared with 2021. Headcount in the area went from 56,484 to 55,092 between 2021 and 2024, a 2.5% change. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 18.4% to 20.8%. For context, the 2021 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 80229 in Thornton, CO reflects that arc in its own way.
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Tips for renters in ZIP 80229
Last updated: October 17, 2026
ZIP code 80229 covers Thornton, CO. The median rent here is $1,633/mo as of October 2026. A 1-bedroom rents for a median of $1,282/mo. A 2-bedroom rents for a median of $1,526/mo.
At 23% of local median household income ($84,203/yr), ZIP 80229 ranks as affordable compared to the national benchmark of 30%. Rents have decreased 1.4% over the past year.
Frequently asked questions
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How does ZIP 80229 compare to the rest of Thornton?
At $1,633/mo, rent takes ~23% of ZIP 80229's median household income ($84,203/yr). The standard benchmark is 30%.
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