Martinez, TX Elevation & Topographic Map

Topographic elevation map of Martinez, Texas, shaded from 280 ft on the southwest side to 310 ft on the northeast side
Elevation
310 ft 95 m300 ft 90 m300 ft 90 m290 ft 90 m280 ft 85 m280 ft 85 m
Contours every 40 ft, bold every 200 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

Martinez sits at about 300 ft (90 m) above sea level, the median height of all land inside the CDP boundary (too few residents to weight by).

Typical elevation (all land)
300 ft 90 m
few residents
Lowest
280 ft 85 m
on the southwest side
Highest
310 ft 95 m
on the northeast side
Average
300 ft 90 m
all land inside the CDP boundary

Martinez spans about 30 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 (all land)
Median of all land; too few residents to weight by
300 ft90 m
Highest point
Inside the CDP boundary, on the northeast side
310 ft95 m
Lowest point
Inside the CDP boundary, on the southwest side
280 ft85 m
Airport (67R)
FAA airport elevation, the highest point of its runways, 5.6 mi west of the CDP boundary
290 ft88 m
Average of all land300 ft90 m

Topographic Map

Topographic elevation map of Martinez, Texas, shaded from 280 ft on the southwest side to 310 ft on the northeast side
CDP boundary (dashed) over shaded terrain, with contours every 10 ft (3 m).
Location
Unincorporated community (census-designated place) in Starr County, Texas, United States
Population
42 2020 Census
Land area
0.1 sq mi
Density
792 per sq mi
Coordinates
26.4207° N, 98.7534° W
Time zone
Central UTC−6 / −5
Landform region
Coastal Plain
Drains to
Rio Grande → Gulf of America
Airport
Rio Grande City Municipal (67R) 290 ft
ZIP codes 1
78582
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Sources: U.S. Census Bureau, USGS, FAA

Nearby Places

How we measure
  • Typical elevation: the median height of all land inside the CDP boundary; too few residents live here to weight by people.
  • 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).
  • 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.
  • Martinez is an unincorporated community; figures cover the census-designated place, a statistical area.
  • Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones. All public domain.