Arizona

La Paz

16,557
2020 population
1990
first census record
4
census records

About La Paz

La Paz, Arizona, first appears in the United States federal census in 1990, when it recorded a population of 13,844. At the most recent census, in 2020, its population stood at 16,557.

Its recorded population peaked at 20,489 in 2010, and has since declined by roughly 19 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Poston War Relocation Center, and 9 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202016,557
201020,489
200019,715
199013,844
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in La Paz

Military engagements that took place in La Paz, Arizona.

Poston War Relocation Center
1942

Historic places in La Paz

National Register of Historic Places listings in La Paz, Arizona.

Old Presbyterian Church
Parker
Harquahala Peak Observatory
Wenden
Parker Jail
Parker
Hi Jolly Monument
Quartzsite
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Everything a full report reveals about La Paz County, Arizona

This page charts the census history of La Paz County, Arizona. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about La Paz

When does La Paz first appear in the US census?
La Paz, Arizona first appears in the federal census in 1990, with a recorded population of 13,844.
What is the population of La Paz?
At the most recent federal census (2020), La Paz had a recorded population of 16,557.
When did La Paz's population peak?
La Paz's recorded population peaked at 20,489 in 2010.
Were any battles fought in La Paz?
1 documented military engagement took place in La Paz, including Poston War Relocation Center.
How many historic places are in La Paz?
9 sites are listed on the National Register of Historic Places in La Paz, Arizona.
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