Johnson City, TX Elevation & Topographic Map
Elevation
1,330 ft 405 m1,280 ft 390 m1,250 ft 380 m1,190 ft 365 m1,140 ft 345 m1,110 ft 340 m
Contours every 100 ft, bold every 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.
- City area
- Fades everything outside the official city limits (US Census).
Elevation Data
Johnson City sits at about 1,210 ft (370 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
1,210 ft 370 m
most residents: 1,180–1,260 ft
Lowest
1,110 ft 340 m
on the north side
Highest
1,330 ft 405 m
on the south side
Average
1,210 ft 370 m
all land inside city limits
Johnson City spans about 220 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.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 1,210 ft370 m |
| Highest point Inside city limits, on the south side | 1,330 ft405 m |
| Lowest point Inside city limits, on the north side | 1,110 ft340 m |
| Town center USGS map point for Johnson City | 1,200 ft365 m |
| Average of all land | 1,210 ft370 m |
Elevation profile, south to north
1.4 mi south to north through the town center.
Topographic Map
- Location
- City in Blanco County, Texas, United States
- Population
- 2,092 2024 est.
- Land area
- 2.0 sq mi
- Density
- 1,072 per sq mi
- Coordinates
- 30.2769° N, 98.4120° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Great Plains
- Drains to
- Colorado River → Gulf of America
- ZIP codes 1
- 78636
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Stonewall1,470 ft
- Blanco1,350 ft
- Round Mountain1,290 ft
- Johnson City1,210 ft
- Dripping Springs1,190 ft
- Double Horn920 ft
- Horseshoe Bay920 ft
- Granite Shoals860 ft
- Sunrise Beach Village840 ft
- Cottonwood Shores830 ft
- Meadowlakes800 ft
Rankings by typical elevation
- Towns in Texas351st highest of 1,861
- Towns in Blanco Countylowest of 3
Peaks and hills nearest, by height
- Monument Hill, Blanco County1,790 ft
- Martin Mountain1,790 ft
- Brushy Top1,760 ft
- Buffalo Peak1,660 ft
- Cave Mountain1,550 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the city limits, 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 city limits (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.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, 2024 population estimates, Gazetteer areas, ZIP code areas); BTS time zones. All public domain.