Boulder County, CO Elevation & Topographic Map

Topographic elevation map of Boulder County, Colorado, shaded from 4,890 ft on the east side to 14,250 ft on Longs Peak
Elevation
14,250 ft 4,340 m11,910 ft 3,630 m10,740 ft 3,275 m8,400 ft 2,560 m6,060 ft 1,845 m4,890 ft 1,490 m
Contours every 500 ft, bold every 2,500 ft
USGS 3DEP · U.S. Census Bureau
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How to use this mapviews, tools and data
Elevation
Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
Satellite
A 2016 satellite photo at 33 ft (10 m) detail; contours off.
3D
Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
Click or tap anywhere
The exact elevation of that spot in ft and m.
Measure
Pick two points for the climb, descent and grade along a straight line.
County area
Fades everything outside the official county boundary (US Census).

Elevation Data

Boulder County averages about 7,420 ft (2,265 m) above sea level across all its land. Its ground runs from 4,890 ft on the east side to 14,250 ft on Longs Peak.

Average elevation
7,420 ft 2,265 m
all land inside the county
Highest
14,250 ft 4,340 m
on Longs Peak
Lowest
4,890 ft 1,490 m
on the east side

Boulder County spans about 9,360 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.

FigureElevation
Average of all land7,420 ft2,265 m
Highest point
Inside the county, on Longs Peak (3DEP terrain model; no NGS survey height)
14,250 ft4,340 m
Lowest point
Inside the county, on the east side
4,890 ft1,490 m

Elevation profile, west to east

34 mi west to east through Boulder.

Topographic Map

Topographic elevation map of Boulder County, Colorado, shaded from 4,890 ft on the east side to 14,250 ft on Longs Peak
County boundary (dashed) over shaded terrain, with contours every 500 ft (152 m).
Location
County in Colorado, United States
Population
330,262 2024 est.
Land area
726.4 sq mi + 14.1 sq mi water
Density
455 per sq mi
Time zone
Mountain UTC−7 / −6
Landform regions
Southern Rocky Mountains 68%, Great Plains 32%
Drains to
Gulf of America
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WebP, 1200 × 900. Free to use: credit “ElevationOf.com” with a link to this page.

Sources: U.S. Census Bureau, USGS

Nearby Places

Neighboring counties sharing a border, by average

  1. Gilpin County9,390 ft
  2. Grand County9,280 ft
  3. Larimer County7,790 ft
  4. Boulder County7,420 ft
  5. Jefferson County7,180 ft
  6. Broomfield County5,330 ft
  7. Weld County4,970 ft

Rankings by average elevation

Peaks and hills highest inside

  • Longs Peak14,250 ft
  • Mount Meeker13,880 ft
  • Chiefs Head Peak13,540 ft
  • Pagoda Mountain13,450 ft
  • Copeland Mountain13,170 ft
All 34 towns in Boulder County by typical elevation
  1. Ward9,270 ft
  2. Eldora9,130 ft
  3. Hidden Lake8,900 ft
  4. Bar-K Ranch8,560 ft
  5. Coal Creek partly8,560 ft
  6. Allenspark8,470 ft
  7. Bonanza Mountain Estates8,400 ft
  8. Gold Hill8,300 ft
  9. Nederland8,300 ft
  10. St. Ann Highlands8,130 ft
  11. Sugarloaf7,720 ft
  12. Sunshine7,380 ft
  13. Mountain Meadows7,340 ft
  14. Jamestown7,150 ft
  15. Glendale, Boulder County7,150 ft
  16. Lazy Acres7,080 ft
  17. Crisman6,760 ft
  18. Pine Brook Hill6,740 ft
  19. Tall Timber6,520 ft
  20. Seven Hills6,350 ft
  21. Altona6,030 ft
  22. Eldorado Springs5,560 ft
  23. Superior5,520 ft
  24. Paragon Estates5,470 ft
  25. Louisville5,430 ft
  26. Lyons5,370 ft
  27. Boulder5,370 ft
  28. Lafayette5,250 ft
  29. Gunbarrel5,190 ft
  30. Valmont5,170 ft
  31. Erie partly5,130 ft
  32. Niwot5,110 ft
  33. Leyner5,030 ft
  34. Longmont5,030 ft
How we measure
  • Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 1 arc-second (≈100 ft, 30 m) grid. Land means the boundary minus Census area water.
  • Highest and lowest: the highest land cell; it is a named summit, so its height is the peak method: the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a survey mark sits within 160 ft (50 m) of it. Lowest: the lowest land cell; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
  • Nearby Places: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
  • Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
  • Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (NGS survey heights) are shown as their publisher gives them.
  • Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
  • Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.