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Old Maps of Willacy County, Texas

Explore 136 old maps of Willacy County, spanning from 1921 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Willacy County changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Willacy County to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Willacy County, TX maps

(136)
  1. 1921 Map of Tarida Ranch
    1921 Map of Tarida Ranch
    1921 Tarida Ranch
    1921 Print · USGS
    South Texas ranching culture is captured here in the early twentieth century, showing a landscape of sprawling family estates and isolated outposts. Researchers can trace the heritage of historic properties like Tarida Ranch, Punta del Monte Ranch, and the remote Santa Margarita School.
    2 unique versions available
  4. 1922 Map of La Sal Vieja
    1922 Map of La Sal Vieja
    1922 La Sal Vieja
    1922 Print · USGS
    Coastal South Texas ranchlands appear here in the early twenties, centered on the salt lakes and the railroad. Genealogists can trace family outposts like San Juan Ranch and Andres Ranch or follow the St Louis Brownsville and Mexico rail line.
    3 unique versions available
  7. 1929 Map of Santa Rosa
    1929 Map of Santa Rosa
    1929 Santa Rosa
    1929 Print · USGS
    Coastal South Texas is captured here in the late twenties as the rail-driven agricultural boom reshaped the Rio Grande Valley. Researchers can trace family estates like Santa Rita Ranch or locate the Asadon Cem near the Southern Pacific RR tracks.
  10. 1930 Map of La Leona
    1930 Map of La Leona
    1930 La Leona
    1930 Print · USGS
    Coastal Texas ranching and tidal waterways are frozen in time during this pre-war survey of the Rio Grande Valley. Genealogists and historians can trace the footprint of early holdings like La Leona Ranch and Los Coyotes Ranch along the Arroyo Colorado.
  13. 1932 Map of Combes
    1932 Map of Combes
    1932 Combes
    1932 Print · USGS
    The lower Rio Grande Valley comes into focus in the early 1930s, showing a landscape of family ranches and new flood control infrastructure. Genealogists and historians can trace the Missouri Pacific No 96 rail line through Combes and find rural landmarks like Briggs Coleman Sch and La India Ranch.
    2 unique versions available
  16. 1933 Map of Santa Rosa
    1933 Map of Santa Rosa
    1933 Santa Rosa
    1933 Print · USGS
    The Rio Grande Valley landscape comes into focus in the early thirties as irrigation and flood control reshape the coastal plain. Researchers can trace the footprints of family estates like Santa Rita Ranch and the vital paths of the Missouri Pacific railroad.
    3 unique versions available
  19. 1933 Map of Paso Real
    1933 Map of Paso Real
    1933 Paso Real
    1933 Print · USGS
    Deep in the Rio Grande Valley in the early 1930s, this area shows a landscape shaped by the Arroyo Colorado. Genealogists and historians can trace the Ferry at Paso Real, the Missouri Pacific railroad line, and old settlements like Fernando.
    2 unique versions available
  22. 1936 Map of La Leona
    1936 Map of La Leona
    1936 La Leona
    1936 Print · USGS
    Coastal Cameron County was a land of sprawling ranch outposts and tidal waterways in the mid-1930s. Genealogists and historians can trace family landholdings at Boca Chica Ranch or La Leona and follow the old Missouri Pacific rail corridor.
    3 unique versions available
  25. 1949 Map of Mc Allen, 1954 Print
    1949 Map of Mc Allen, 1954 Print
    1949 Mc Allen
    1954 Print · USGS
    The Rio Grande Valley at mid-century reveals a bustling international corridor of citrus groves, rail lines, and growing border towns. Genealogists and historians can trace the Missouri Pacific RR through McAllen or locate rural landmarks like the Santa Fe School and Arkansas City.
  28. 1952 Map of Green Island, 1953 Print
    1952 Map of Green Island, 1953 Print
    1952 Green Island
    1953 Print · USGS
    The South Texas coast comes alive in the early 1950s, showing the intersection of wildlife conservation and maritime commerce. Trace the dredging of the Intracoastal Waterway past the Green Island (Bird Sanctuary) and the wild Shifting Sand Dunes of Padre Island.
    2 unique versions available
  31. 1952 Map of North Of Port Isabel NW, 1953 Print
    1952 Map of North Of Port Isabel NW, 1953 Print
    1952 North Of Port Isabel NW
    1953 Print · USGS
    Coastal Texas was still a wild frontier of drifting dunes and shallow lagoons in the early fifties. Genealogists and historians can trace the small settlement of Camwill and landmarks like the Negro station among the Shifting sand dunes of Padre Island.
    2 unique versions available
  34. 1952 Map of South of Potrero Lopeno SE, 1953 Print
    1952 Map of South of Potrero Lopeno SE, 1953 Print
    1952 South of Potrero Lopeno SE
    1953 Print · USGS
    Padre Island remained a wild, shifting landscape of dunes and tides during the early fifties. Genealogists and coastal historians can trace the exact 1950 shoreline and survey markers like Harena among the Shifting Sand Dunes and Laguna Madre.
    3 unique versions available
  37. 1952 Map of Hawk Island, 1953 Print
    1952 Map of Hawk Island, 1953 Print
    1952 Hawk Island
    1953 Print · USGS
    The South Texas coast comes alive in the early 1950s where the brushland meets the Laguna Madre. Local history researchers can trace the ranching life through named sites like Loma Alta Well and the waters of the Arroyo Colorado.
    3 unique versions available
  40. 1952 Map of Port Mansfield, 1953 Print
    1952 Map of Port Mansfield, 1953 Print
    1952 Port Mansfield
    1953 Print · USGS
    The Texas coast near Port Mansfield is captured here in the early fifties, showing a landscape of maritime industry and ranching water sources. Researchers can locate named landmarks like the Landing Field, the Julian Well, and the Agua Gorda Well.
    2 unique versions available
  43. 1952 Map of South of Potrero Lopeno, 1957 Print
    1952 Map of South of Potrero Lopeno, 1957 Print
    1952 South of Potrero Lopeno
    1957 Print · USGS
    The South Texas coast during the early fifties reveals a landscape of isolated artesian wells and developing maritime access. Genealogists and local historians can trace the foundations of Port Mansfield or locate historic water sites like Mujeres Wells and Sausel Well.
    2 unique versions available
  46. 1953 Map of Brownsville
    1953 Map of Brownsville
    1953 Brownsville
    1953 Print · USGS
    South Texas ranchlands and the Lower Rio Grande Valley are captured here in the early fifties as the region's irrigation and shipping networks expanded. Genealogists and historians can trace family landholdings like Tecolote Ranch or follow the route of the St Louis Brownsville and Mexico rail line through Sebastian and Yturria.
  49. 1954 Map of McAllen
    1954 Map of McAllen
    1954 McAllen
    1954 Print · USGS
    Covers Willacy County, including Reynosa, McAllen, and other nearby areas
  52. 1955 Map of La Leona, 1957 Print
    1955 Map of La Leona, 1957 Print
    1955 La Leona
    1957 Print · USGS
    Coastal Texas ranching comes to life in the mid-fifties along the Laguna Madre. Researchers can trace the layout of traditional family lands including Los Coyotes Ranch and Rancho Nuevo as they appeared before modern coastal changes.
    2 unique versions available
  55. 1955 Map of North Of Port Isabel, 1957 Print
    1955 Map of North Of Port Isabel, 1957 Print
    1955 North Of Port Isabel
    1957 Print · USGS
    The South Texas coast in the mid-1950s remained a landscape of moving earth and isolated outposts. Trace the early shoreline of Padre Island and locate remote named points like Los Tanques and Los Bancos de en Medio.
  58. 1955 Map of La Leona, 1957 Print
    1955 Map of La Leona, 1957 Print
    1955 La Leona
    1957 Print · USGS
    In the mid-1950s, the South Texas coastline was a patchwork of cattle operations and tidal wetlands. Trace family roots at La Leona Cem or locate historical holdings like Miradores Ranch and Totman Ranch along the Arroyo Colorado.
    4 unique versions available
  61. 1956 Map of San Perlita South, 1958 Print
    1956 Map of San Perlita South, 1958 Print
    1956 San Perlita South
    1958 Print · USGS
    Willacy County in the mid-fifties is captured here as a landscape of coastal prairie and organized drainage projects. Genealogists and local historians can trace family locations near San Perlita and Porfirio, or locate the small Cem and private flight paths like the Cole Landing Strip (Private).
    3 unique versions available
  64. 1956 Map of La Sal Vieja, 1958 Print
    1956 Map of La Sal Vieja, 1958 Print
    1956 La Sal Vieja
    1958 Print · USGS
    The South Texas brush country at the edge of the Rio Grande Valley was a landscape of remote cattle ranches and emerging energy fields in the mid-fifties. Researchers can trace the heritage of local ranching through named sites like La Sal Vieja Ranch and a network of water sources including San Leonardo Windmill and the Stillman Windmill.
    2 unique versions available
  67. 1956 Map of San Perlita North, 1958 Print
    1956 Map of San Perlita North, 1958 Print
    1956 San Perlita North
    1958 Print · USGS
    Coastal Texas ranching and early oil exploration meet at the Kenedy-Willacy line in the mid-1950s. Genealogists and historians can trace family-named sites like Punta del Monte Ranch and the Old Railroad Grade near the San Perlita border.
    2 unique versions available
  70. 1956 Map of Santa Rosa, 1958 Print
    1956 Map of Santa Rosa, 1958 Print
    1956 Santa Rosa
    1958 Print · USGS
    The Rio Grande Valley's irrigation and rail network are captured here in the mid-1950s as agriculture reshaped the Cameron County landscape. Researchers can trace historic cemeteries like San Rafael Cem and follow the path of the North Floodway.
    3 unique versions available
  73. 1956 Map of Willamar SW, 1958 Print
    1956 Map of Willamar SW, 1958 Print
    1956 Willamar SW
    1958 Print · USGS
    Mid-century Cameron County was a landscape defined by industrial irrigation and agricultural labor just as the region’s modern infrastructure took shape. Trace local family history at the Noyola Cem and Bracero Camp or follow the path of the Missouri Pacific rail line.
    3 unique versions available
Showing maps 1-25 of 136

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