City size comparison

compared to

Arlington is around the same size as Boulder.

Boulder is approximately 70 sq km, while Arlington (map shows its 62 named neighbourhoods; the area covers the whole city) is approximately 67 sq km, making Arlington 96.72% the size of Boulder.
Tip: This to-scale comparison of Boulder vs. Arlington uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Arlington vs. Boulder

Flip Comparison · See true size
See Arlington on top of Boulder
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Cost of Living Comparison · 7 categories - 2026 data
Boulder is 3.5% cheaper than Arlington
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