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History · Agua Dulce

Agua Dulce’s post office opened in 1908

Most of Agua Dulce was built recently: 0.0% of its homes predate 1940 and the median home dates from 1958. Below: maps from 1954 on and the census since 1950.

1908first post office
0on the National Register
0.0%homes built before 1940
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Quick answers

How Agua Dulce began

When was Agua Dulce founded?

1908

The Agua Dulce post office opened in 1908, the earliest record of the town by name.

First census: 660 in 19502020 census: 685118 years
Founding year: the first Agua Dulce post office (Blevins & Helbock, CC0).

What stands out about Agua Dulce’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Agua Dulce are in the public archives yet. The rest are in attics and albums.Boom and bustPeaked at 934 in 1980; 685 people lived here in 2020.Old housesHalf of Agua Dulce’s homes were built before 1958.
★ What stands out · Help out

Start Agua Dulce’s collection

The first neighbors to add old photos shape how Agua Dulce’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
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People over time

Agua Dulce, census by census

02004006008001,0001960198020002020Peak: 934

Peaked at 934 in 1980; 685 people lived here in 2020.

8 censuses, 1950–2020.

U.S. Census Bureau decennial counts, from the census table on Agua Dulce’s Wikipedia page.

The story so far

Agua Dulce, in brief

Wikipedia doesn’t have a history of Agua Dulce yet. The photos, dates and memories neighbors add here are how it gets written.

Agua Dulce ( ah-wə-DOOL-sih) is a city in Nueces County, in the U.S. state of Texas. It is located on the Texas Mexican Railway at the intersection of State Highway 44 and Farm to Market Road 70 in west-central Nueces County. The name, Spanish for "sweet water", refers to a nearby creek and The Battle of Agua Dulce Creek was a major battle in the Mexican-American War. A town in Texas, Sweetwater in Nolan County in West Texas, uses the English name. The town was established by the 1900s. The population of Agua Dulce was 685 in the 2020 census.

Its first post office opened in 1908. Between the 2010 and 2020 censuses its population fell from 812 to 685 (-16%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Agua Dulce, 1908 to 1980

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 20th century
  2. 1908Post officeThe Agua Dulce post office opens
  3. 1954On the mapFirst mapped by the U.S. Geological Survey
  4. 1980CensusPopulation peaks at 934
By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
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On the map

Agua Dulce on the map, 1954 to 1984

Every edition of the U.S. Geological Survey’s map of Agua Dulce. Tap a year, or press play to watch the town change.

Agua Dulce on the 1954 USGS mapAgua Dulce on the 1979 USGS mapAgua Dulce on the 1984 USGS map1954Orange Grove sheet · 1:62,500

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Agua Dulce.

Famous people

Famous people close to Agua Dulce

Nobody well known was born in Agua Dulce itself, so here are the best known from just nearby.

See all →
Robert CurlAmerican chemist · b. 1933
James P. AllisonAmerican immunologist and Nobel laureate · b. 1948
S
Steve DentonAmerican tennis player · b. 1956
Sylvia GarciaAmerican politician · b. 1950
J
Javier PeñaDEA agent · b. 1958
Lauro CavazosAmerican educator; George H. W. Bush administra… · b. 1927

Questions about Agua Dulce’s history

What year was Agua Dulce founded?

The Agua Dulce post office opened in 1908, the earliest record of the town by name (U.S. post office records).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
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Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.