Big Delta, AK Elevation & Topographic Map

Topographic elevation map of Big Delta, Alaska, shaded from 950 ft on the north side to 1,820 ft on the north side
Elevation
1,820 ft 555 m1,600 ft 490 m1,500 ft 455 m1,280 ft 390 m1,060 ft 325 m950 ft 290 m
Contours every 500 ft, bold every 2,500 ft
USGS 3DEP · U.S. Census Bureau
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.
Area
Fades everything outside the official CDP boundary (US Census).

Elevation Data

Big Delta sits at about 1,040 ft (315 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
1,040 ft 315 m
most residents: 1,010–1,080 ft
Lowest
950 ft 290 m
on the north side
Highest
1,820 ft 555 m
on the north side
Average
1,070 ft 325 m
all land inside the CDP boundary

Big Delta spans about 870 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.

FigureElevation
Typical
Where people live: half of residents higher, half lower
1,040 ft315 m
Highest point
Inside the CDP boundary, on the north side
1,820 ft555 m
Lowest point
Inside the CDP boundary, on the north side
950 ft290 m
Town center
USGS map point for Big Delta
1,000 ft305 m
Average of all land1,070 ft325 m

Elevation profile, south to north

7.1 mi south to north through the town center.

Topographic Map

Topographic elevation map of Big Delta, Alaska, shaded from 950 ft on the north side to 1,820 ft on the north side
CDP boundary (dashed) over shaded terrain, with contours every 100 ft (30 m).
Location
Unincorporated community (census-designated place) in Southeast Fairbanks Census Area, Alaska, United States
Population
444 2020 Census
Land area
47.1 sq mi + 6.6 sq mi water
Density
9.4 per sq mi
Coordinates
64.1525° N, 145.8422° W
Time zone
Alaska UTC−9 / −8
Drains to
Tanana River → Yukon River → Bering Sea
ZIP codes 1
99737
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Sources: U.S. Census Bureau, USGS

Nearby Places

How we measure
  • Typical elevation: the population-weighted median: every 2020 Census block inside the CDP boundary, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
  • Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census CDP boundary (TIGER, Jan 1 2026). Much of Alaska's 3DEP comes from airborne radar (IfSAR), good to a few meters.
  • Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) 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).
  • 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 (FAA airport elevation, 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.
  • Big Delta is an unincorporated community; figures cover the census-designated place, a statistical area.
  • Sources: USGS 3DEP, GNIS and Watershed Boundary Dataset; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); BTS time zones; NOAA NGS survey heights. All public domain.