ZIP 80233
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Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).
12-month history
Last updated: October 17, 2026
What the numbers show
January. Asking rents in ZIP 80233 usually run 1.5% below trend in January and 1.3% above it in August, about $46 a month apart at today's median. Based on 10 years of data.
Rent in ZIP 80233 is 7.5% below its high of $1,786 in September 2024, at $1,652 as of September 2026.
Rent in ZIP 80233 changed -2.2% 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 80233 rose 27.9% while median household income rose 17.3% ($75,772 to $88,880). Rent outpaced income.
Rent in ZIP 80233 is 19.6% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.
Rent has fallen 7 months in a row, and rose in 3 of the last 12 months.
30% of the median household income ($88,880) is $2,222 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($2,210); a 3-bedroom is $2,890.
2nd cheapest of 4 ZIP codes in Thornton.
ZIP 80030, 7 miles away, rents for 18% less ($1,355/mo), about $3,600 a year in savings.
From Zillow's monthly rent index (ZORI) for ZIP 80233. 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 80233 (Thornton, CO) is majority owner-occupied, skews toward younger working-age adults, 27.8% of residents hold a bachelor's degree or higher.
Source: U.S. Census Bureau · ACS 2024 5-Year Estimates
How ZIP 80233 in Thornton, CO has changed in 5 years
Since 2021, the typical rent in ZIP 80233 in Thornton, CO has increased from $1,456 to $1,652, a 13.5% change over five years. Census figures show median household income at $88,880 today, compared with $78,324 five years earlier. The population has grown by 1.3% since 2021, moving from about 47,810 residents to roughly 48,441. College-educated residents now make up 27.8% of adults here, versus 22.7% in 2021. The combined trend lines point to a market that has changed measurably from where it stood in early 2021.
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Tips for renters in ZIP 80233
Last updated: October 17, 2026
ZIP code 80233 covers Thornton, CO. The median rent here is $1,652/mo as of October 2026. A 1-bedroom rents for a median of $1,299/mo. A 2-bedroom rents for a median of $1,544/mo.
At 22% of local median household income ($88,880/yr), ZIP 80233 ranks as affordable compared to the national benchmark of 30%. Rents have decreased 2.2% over the past year.
Frequently asked questions
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How does ZIP 80233 compare to the rest of Thornton?
At $1,652/mo, rent takes ~22% of ZIP 80233's median household income ($88,880/yr). The standard benchmark is 30%.
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