From orbit, the lower 48 looks like a scatter of embers across a dark continent. Some of those embers aren't the ones you'd expect. The brightest metro in America isn't New York or Los Angeles — it's Dallas–Fort Worth, which throws 2.89% of the country's total night-time light while holding 2.41% of its people.
Light from space is not a measure of wealth, population, or productivity. It measures how a city is built — how spread out it is, how many parking lots, warehouses, airports, ports and highways sit between buildings, how aggressive its outdoor lighting is after midnight. A dense, vertical city like New York (#5) looks dim relative to its 4.74% of the US population. Low, horizontal metros like Houston, Las Vegas, Indianapolis and Kansas City all burn a larger share of the country's light than their share of its people.
Below: the live map, the full top 25, and how we measured it. Hover (or tap) near any light to see a city's name and rank.
| # | Metro | Share of US light | Share of US population |
|---|---|---|---|
| 1 | Dallas–Fort Worth | 2.89% | 2.41% |
| 2 | Houston | 2.66% | 2.09% |
| 3 | Chicago | 2.50% | 2.63% |
| 4 | Atlanta | 2.09% | 2.44% |
| 5 | New York | 1.98% | 4.74% |
| 6 | Los Angeles | 1.49% | 3.07% |
| 7 | Philadelphia | 1.17% | 1.67% |
| 8 | Phoenix | 1.16% | 1.20% |
| 9 | Miami | 1.14% | 1.41% |
| 10 | Washington DC | 1.10% | 1.77% |
| 11 | Detroit | 1.00% | 1.10% |
| 12 | Minneapolis–St. Paul | 0.97% | 1.10% |
| 13 | Riverside | 0.96% | 1.17% |
| 14 | Indianapolis | 0.92% | 0.73% |
| 15 | Columbus | 0.90% | 0.83% |
| 16 | St. Louis | 0.88% | 0.82% |
| 17 | Nashville | 0.86% | 0.77% |
| 18 | Denver | 0.86% | 1.05% |
| 19 | San Antonio | 0.83% | 0.83% |
| 20 | Charlotte | 0.81% | 0.86% |
| 21 | Las Vegas | 0.78% | 0.52% |
| 22 | Baltimore | 0.76% | 0.89% |
| 23 | Cincinnati | 0.74% | 0.74% |
| 24 | Kansas City | 0.73% | 0.60% |
| 25 | Orlando | 0.71% | 0.74% |
The ranking comes from the Earth Observation Group's VIIRS annual night-radiance composite — a satellite product that reports how bright each ~500-metre patch of the planet shines at night. We summed the light inside every ZIP code area (ZCTA) and rolled ZIPs up to metros using Census county–CBSA delineations (2023). The 378 metropolitan statistical areas in the lower 48 are ranked by that total. Population and household figures come from the US Census Bureau's 2019–2023 American Community Survey five-year estimates, aggregated the same way. The "share of US light" and "share of US population" columns are each metro's total as a percent of the national total. Numbers refresh once a year when the next VIIRS annual composite is released.
New York is denser and more vertical — its people stack on top of each other, and much of the light stays inside buildings. Dallas–Fort Worth sprawls across a low-rise metropolitan footprint of housing, freeway interchanges, airports, ports, warehouses and parking lots, all of which light up the sky. Light from space measures built surface area and outdoor lighting — not homes, not wealth.
No — the ranking tracks the opposite in both directions. New York accounts for 5.93% of US income but only 1.98% of US light. Las Vegas throws 0.78% of US light while earning 0.47% of US income — shining roughly 1.67× its share of the country's income. Light from space is a measure of built form and outdoor lighting, not economic output.
Night-time light: VIIRS Nighttime Lights (VNL v2.2, 2025 annual, masked) from the Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines, based on the VIIRS sensor on the NASA/NOAA Suomi NPP satellite. Population, households, and income: US Census Bureau, American Community Survey 2019–2023 five-year estimates. Metro boundaries: US Office of Management and Budget / Census Bureau CBSA delineations.
A Metropolitan Statistical Area (MSA) — a core urban county plus the surrounding counties that commute heavily into it. We include all 378 metropolitan CBSAs in the lower 48. Micropolitan areas and non-CONUS areas (Alaska, Hawaii, Puerto Rico) are excluded.
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