City Comparison
Boulder vs Thornton
Cost of living, salaries, climate and quality of life compared side by side.
VS
Thornton scores higher overall
Performance
Score Breakdown
Boulder
Thornton
Livability
Affordability
Business
Growth
Expenses
Cost of Living
Thornton is the more affordable option overall — monthly living expenses run about
15% lower than in Boulder.
Housing costs are a major driver: Boulder's average rent is
23% higher than Thornton's.
| Metric | Boulder | Thornton | Diff |
|---|---|---|---|
| Average Rent | $2,395 | $1,945 | +23% |
| Groceries | $450 | $400 | +13% |
| Utilities | $180 | $180 | 0% |
| Transport | $120 | $120 | 0% |
| Healthcare | $250 | $250 | 0% |
| Monthly Total | $3,395 | $2,895 | +17% |
| Cost Index | 128 | 105 | out of 100 |
Income
Salary & Income
Boulder offers similar average salaries.
However, when adjusted for local cost of living, Thornton delivers stronger purchasing power —
meaning your dollar stretches further day-to-day.
The minimum comfortable salary in Boulder is estimated at
$68,000 vs $62,000 in Thornton.
| Metric | Boulder | Thornton |
|---|---|---|
| Average Salary | $78,000 | $78,000 |
| Salary Needed | $68,000 | $62,000 |
| Purchasing Power | 60,938 idx | 74,286 idx |
| Household Income | $87,493 | $103,088 |
Weather
Climate Comparison
Both cities share a similar average temperature, within 2.7°F of each other.
Winter severity differs too — Boulder sees 8.4 more inches of snowfall annually.
| Metric | Boulder | Thornton |
|---|---|---|
| Avg Temp | 50.50°F | 53.20°F |
| Summer High | 84.20°F | 86.80°F |
| Winter Low | 19.20°F | 19.80°F |
| Rainfall | 16.60 in | 17.20 in |
| Snowfall | 31.20 in | 22.80 in |
| Sunny Days | 282 | 285 |
| Humidity | 45.00% | 45.00% |
Mobility
Commute & Transport
Boulder has the shorter commute — saving residents roughly
3,000 minutes (50 hours) per year compared to Thornton.
Boulder scores higher for public transit, making it the better choice for car-free living.
For walkability, Boulder leads — a better score here means more amenities reachable on foot.
| Metric | Boulder | Thornton |
|---|---|---|
| Commute Time | 22 min | 28 min |
| Transit Score | 62.0/100 | 55.0/100 |
| Walkability | 68.0/100 | 58.0/100 |
| Traffic Index | 48.00 | 48.00 |
| Car Dependency | Low | High |
Population
Economy & Demographics
Thornton is the larger city
— approximately 0.7x the population of Boulder.
From a growth perspective, Thornton is expanding faster, signaling stronger demand for housing, jobs, and services.
On the employment side, Boulder has a lower unemployment rate, reflecting a tighter and more competitive job market.
| Metric | Boulder | Thornton |
|---|---|---|
| Population | 105,689 | 147,766 |
| Pop. Growth | — | 1.05% |
| Median Age | 28.8 | 34.7 |
| Unemployment | 4.10% | 4.20% |
| GDP | — | — |
At a Glance
Pros & Cons
Boulder
Advantages
Unmatched access to open space and outdoor recreation, with over 300 days of annual sunshine and miles of direct trail access.
Exceptionally high educational attainment levels, with over 75% of residents holding a bachelor's degree or advanced qualification.
Thriving innovation and tech startup ecosystem fueled by proximity to the University of Colorado Boulder and federal research labs.
Robust multi-modal transportation infrastructure featuring extensive bike paths, pedestrian corridors, and reliable regional transit.
Active, health-conscious community culture emphasizing sustainability, organic foods, and active wellness.
Drawbacks
Significantly high cost of living and housing market pressures, with average monthly rent exceeding $2,300.
Limited ethnic and racial diversity compared to broader metropolitan benchmarks in Colorado.
Competitive real estate environment making homeownership challenging for median-income earners.
Traffic congestion along major regional corridors during peak commuting hours to and from Denver.
Strict growth boundaries driving up commercial lease rates for local small businesses and startups.
Thornton
Advantages
Median household income stands strong at $103,088, comfortably outpacing the national median.
Strategic location along the I-25 corridor provides rapid access to downtown Denver and Denver International Airport.
Extensive recreational infrastructure featuring over 81 parks and extensive multi-use trail networks.
Direct commuter rail access to the Denver metro area via the RTD N Line stations.
Proactive municipal planning and infrastructure investment ensuring robust water supply and commercial growth.
Drawbacks
Cost of living sits roughly 5.8% above the national average, driven by competitive regional housing pressures.
High car dependency across many older neighborhoods outside of the newer transit-oriented developments.
Significant commuter traffic bottlenecks along major interstate corridors during peak morning and evening hours.
Average home purchase and rental prices have climbed sharply over recent years, challenging first-time buyers.
Continental interior climate brings volatile winter temperature swings and occasional heavy spring snowstorms.
Explore
Dive Deeper
Key figures side by side — see which city wins each category at a glance.
Boulder
#467Colorado, USA
54.6 / 100 overall
Avg Rent
$2,395
Avg Salary
$78,000
Cost Index
128
Commute
22 min
Transit Score
62.0/100
Walkability
68.0/100
Sunny Days
282/yr
Avg Temp
50.50°F
Pop. Growth
%
Unemployment
4.10%
Livability
88
Business
80
Thornton
#197Colorado, USA
63.9 / 100 overall
Avg Rent
$1,945
Avg Salary
$78,000
Cost Index
105
Commute
28 min
Transit Score
55.0/100
Walkability
58.0/100
Sunny Days
285/yr
Avg Temp
53.20°F
Pop. Growth
1.05%
Unemployment
4.20%
Livability
76
Business
70
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