La Paz County, Arizona

La Paz County: county in Arizona, United States

About

La Paz County is a county located in the U.S. state of Arizona. As of the 2010 census, the population was 20,489 and a population density of 2 people per km². After 10 years in 2020 county had an estimated population of 21,480 inhabitants. Its county seat is Parker. The county was created 43 years ago in 1982.

La Paz County locator map
Location of La Paz County on Arizona map.

County Snapshot

La Paz County at a glance

La Paz County currently has 4 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

4

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about La Paz County

Population 21,480 (2020)
Country United States of America
State Arizona (United States)
Area 11690 km2
Water as percent of area 0.3%
Land as percent of area 99.7%
Latitude & Longitude 33.7293,-113.9813
Named for La Paz
Altitude 1,302 feet / 397 meters
Capital Parker
Establishment January 01, 1983
Time Zone America/Phoenix
Local time 02:39:46 (19th April 2026)
Density 2 Pop. per km² as of 2020
Population growth 4.61% (2010-2020)
Weather 61℉ Mostly Cloudy 7-days weather
View of Trigo Mountains Wilderness  AZ image
View of Trigo Mountains Wilderness AZ image

Geography

La Paz County is located at 33°43'45"N 113°58'53"W (33.7292600, -113.9813400). It has 7 neighbors: Maricopa County, Mohave County, Yavapai County, Yuma County, Imperial County, Riverside County and San Bernardino County.

La Paz County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of La Paz County is Quartzsite with a population of 3,814. Other cities include, Parker population 3,281 and Ehrenberg population 1,470. See all La Paz County cities & populated places.

La Paz County Populated Places

Cities, towns, neighborhoods & other populated places in La Paz County.

City Name Population Title
Quartzsite 3,814 Town in La Paz County, Arizona, United States
Parker 3,281 Town in and county seat of La Paz County, Arizona, United States
Salome 1,530 Census-designated place in La Paz County, Arizona, United States
Ehrenberg 1,470 Town in Arizona, United States

Weather

61°F
Mostly Cloudy
5 mph N Overnight

Mostly cloudy, with a low around 61. North wind around 5 mph.

7-Day Forecast

Official website of La Paz County

Official Website
  • Parker

Demographics

The population of La Paz County increased by 4.61% in 10 years.

Year Population % Change Method
2010 20,489 - census
2011 20,604 0.56% estimation process
2012 20,521 -0.4% estimation process
2013 20,522 0% estimation process
2014 20,516 -0.03% estimation process
2015 20,466 -0.24% estimation process
2016 20,648 0.88% estimation process
2017 20,706 0.28% estimation process
2018 21,039 1.58% estimation process
2019 21,108 0.33% estimation process
2020 21,480 1.73% estimation process
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Arizona Other Counties (more counties)

County Name Population Title
Maricopa County 4,579,081 County in Arizona, United States
Phoenix 1,708,127 The fifth most populous city in the United States and the center of the Phoenix metropolitan area.
Pima County 1,061,175 County in Arizona, United States
Tucson 553,571 The second most populous city in Arizona and the center of the Tucson metropolitan area.
Mesa 528,159 The fourth most populous city in Arizona and the center of the Mesa metropolitan area.
Pinal County 480,828 County in Arizona, United States
Chandler 265,398 The second most populous city in Maricopa County, Arizona.
Scottsdale 262,647 The fourth most populous city in Arizona and the center of the Scottsdale metropolitan area.
Gilbert 257,658 The fifth most populous city in Arizona.
Glendale 255,307 The second most populous city in Arizona.
Yavapai County 240,226 County in Arizona, United States
Yuma County 217,824 County in Arizona, United States
Mohave County 217,206 County in Arizona, United States
Maryvale 208,189 Urban village in Phoenix, Arizona, United States
Tempe 200,402 The third most populous city in Arizona.
Peoria 179,872 The second most populous city in Maricopa County, Arizona.