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San Diego Texas Map

Explore San Diego, Texas, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of San Diego, Texas

How to Use This San Diego, Texas Map

This interactive map shows the street layout and satellite imagery for San Diego, Texas. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Texas or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to San Diego.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	San Diego
State	Texas (TX)
County	Duval County
Country	United States of America
Timezone	Central Time (America/Chicago)

Latitude	27.763914
Longitude	-98.238895
Population	3,748
Density	761.2 /km²
Incorporated	Yes
ZIP Code	78384
Area Code	830
County Seat	San Diego
School District	San Diego Independent School District

🌦 Goto San Diego Weather Page: San Diego, Texas — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About San Diego, Texas

San Diego is a locality in Duval County, Texas, United States. It has a population of approximately 3,748. The population density is 761.2 people per km². San Diego is located at 27.7639°N, 98.2389°W. It observes the Central Time (America/Chicago) timezone. San Diego is an incorporated locality. ZIP code: 78384.

San Diego rises from the sun-bleached brush of the South Texas plains, defined by the slow, seasonal pulse of San Diego Creek as it carves a shallow path through the caliche soil. It lies 10.4 miles west of Alice, TX (from Alice, TX: bearing 274°T), and is situated 11.8 miles east of Rosita. The air here holds a dry, persistent heat that turns the horizon into a shimmering mirage, blurring the distant silhouette of Piedritos Hill into the pale blue sky. At the center of the grid, Plaza Alcalá offers a quiet expanse of shade, its benches worn smooth by the passage of afternoon light and the steady, unobserved rhythm of the local day. Beyond the town limits, the landscape stretches out in a vast, open mosaic of mesquite and prickly pear, where the ground is baked to a hard, iron-rich crust that yields only to the deepest roots of the scrub.

San Diego carries the quiet weight of frontier history, its identity forged in the intersection of ranching traditions and the steady, industrious labor of the oil patch. The economy remains tethered to the land, moving with the cycles of cattle prices and the slow, rhythmic nodding of pump jacks that mark the perimeter of the fields. Families have anchored their lives here for generations, maintaining a bilingual heritage that colors the local speech and the shared meals served in dim, welcoming kitchens. While Tranquitas Lake sits miles away, serving as a distant basin in the arid expanse, the daily life of San Diego revolves around the immediate, practical demands of a region that asks much of its inhabitants and rewards those who respect the stubborn, enduring character of the brush country.

Nearby Outdoor Places

Plaza Alcalá (Local Park) — 0.1 mi, 289° W
Unknown Park (Local Park) — 0.2 mi, 177° S
Duval County (Monument) — 0.2 mi, 105° E
St. Francis de Paula Catholic Church (Monument) — 0.3 mi, 166° S
El Plan de San Diego (Monument) — 0.3 mi, 180° S
San Diego Cemetery (Monument) — 0.8 mi, 075° E
South Texas Museum (Museum) — 10.1 mi, 096° E
West Park (Local Recreation) — 10.2 mi, 089° E
Lake Findley (Local Conservation Area) — 10.2 mi, 079° E
Alice Municipal Golf Course (Local Recreation) — 10.8 mi, 087° E
Bulldog Stadium (Stadium) — 27.3 mi, 084° E
John E Conner Museum (Museum) — 27.6 mi, 127° SE
1904 Train Depot Museum (Museum) — 28.4 mi, 127° SE
San Patricio Nature Preserve (Local Conservation Area) — 29.4 mi, 061° NE
Violet Museum (Museum) — 29.5 mi, 088° E
Lake Corpus Christi State Park (State Park) — 29.8 mi, 047° NE
Rio 7 Cinemas (Cinema) — 30.3 mi, 127° SE
Grace Armantrout Museum (Museum) — 38.9 mi, 011° N
Kenedy Ranch Museum of South Texas (Museum) — 46.4 mi, 144° SE
James E. Daughtrey Wildlife Management Area (State Conservation Area) — 47.4 mi, 356° N
Skidmore Historical Society Museum (Museum) — 47.7 mi, 045° NE
Choke Canyon State Park (State Park) — 48.1 mi, 358° N
St. John Paul II Statue (Public Artwork) — 49.6 mi, 094° E
Christ & The Centurion (Public Artwork) — 49.6 mi, 094° E
Tejano Civil Rights Museum (Museum) — 51.6 mi, 087° E
Mesquite Street Comedy Club (Theatre) — 51.6 mi, 087° E
K Space Contemporary (Gallery) — 51.7 mi, 087° E
Padre Island National Seashore (National Lakeshore) — 59.3 mi, 116° SE · 262k acres
Mission-Aransas National Estuarine Research Reserve (Marine Protected Area) — 63.5 mi, 072° E
Mustang Island State Park (Marine Protected Area) — 63.9 mi, 095° E

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