• county
  • FIPS 04012
  • Largest town: Parker

La Paz County, Arizona

La Paz County had 16,992 residents in the Census Vintage 2024 estimate, on 4,496.6 square miles of land. It ranks 14th of 15 in Arizona by population and 13th by land area.

Population
16,992
#14 of 15 in Arizona · #1,976 in US
Area
4,496.6 sq mi
#13 of 15 in Arizona · #101 in US
Density
3.8 / sq mi
#15 of 15 in Arizona · #2,848 in US
Median household income
$48,801
#14 of 15 in Arizona · #2,791 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

La Paz County within Arizona. Pin: Phoenix.

La Paz County population, land area and income

La Paz County had 16,992 residents in the Census Vintage 2024 estimate, on 4,496.6 square miles of land. It ranks 14th of 15 in Arizona by population and 13th by land area. That works out to 3.8 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Arizona has 125,773 residents, so La Paz County has 14% of the typical county's population.

Its SAIPE 2023 median household income of $48,801 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

16,992

3144th1st

1976th of 3,144 (US)

Land area

4,497 sq mi

3144th1st

101st of 3,144 (US)

Density

3.8 / sq mi

3144th1st

2848th of 3,144 (US)

Median household income

$48,801

3143rd1st

2791st of 3,143 (US)

Rank within Arizona (15)

Population

16,992

15th1st

14th of 15 (AZ)

Land area

4,497 sq mi

15th1st

13th of 15 (AZ)

Density

3.8 / sq mi

15th1st

15th of 15 (AZ)

Median household income

$48,801

15th1st

14th of 15 (AZ)

How La Paz County's population changed since 2020

La Paz County gained 419 residents between the July 2020 and July 2024 estimates, a rise of 2.5%. That ranks 10th of 15 in Arizona for growth. The median Arizona county changed by +3.3%, and the state as a whole by +5.5%.

Since the April 2020 estimates base, La Paz County recorded 674 births and 1,611 deaths, a natural change of -937. Net international migration added +476 and net domestic migration, people moving to or from other US counties, came to +885. The largest single component was natural change, which removed 937 people.

16.6k202016.4k202116.6k202216.8k202317.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
674
Deaths
1,611
Net international migration
+476
Net domestic migration
+885
Change, July 2023 to July 2024
+180

Where La Paz County is

The Census internal point of La Paz County is at 33.727600, -114.038800. It sits in UTM zone 11N. The map shades Arizona's 15 county-equivalents by population change from 2020 to 2024, darker for faster growth, with La Paz County outlined. Dots are towns of 1,000+ people with residents in it.

Internal point

Decimal
33.727600, -114.038800
DMS
33°43'39.36"N 114°02'19.68"W
UTM
11N 774377.4E 3735892.4N
Geohash
9myzugzmx
Plus code
8557PXH6+2F

Towns in La Paz County

2 incorporated places of 1,000+ people have residents in La Paz County, 5,881 people together, or 35% of the county. Each figure counts only the part of the town inside La Paz County; towns marked "part" extend into another county. The largest is Parker with 3,456.

  1. 01Parker3,456
  2. 02Quartzsite2,425
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering La Paz County

The Census 2024 county adjacency file lists 7 neighbors for La Paz County, including 3 across a state line. The most populous is Maricopa County, AZ, with 4,673,096 residents. Distances run between Census internal points in a straight line.

Distance to Phoenix and the nearest big city

Phoenix is 114.7 miles E of La Paz County's internal point in a straight line. The nearest place of 100,000 or more is Buckeye, AZ (population 114,334), 83.0 miles away. The nearest place of 10,000 or more is Blythe, CA (population 17,320), 33.9 miles away.

La Paz County FIPS code

The FIPS code of La Paz County is 04012: state code 04 for Arizona plus county code 012. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $48,801.

Questions people ask

What is the population of La Paz County, Arizona?

The Census Vintage 2024 estimate for July 1, 2024 is 16,992. That is up 419 people (2.5%) from the July 2020 estimate of 16,573.

What is the FIPS code of La Paz County?

04012. The first two digits (04) are Arizona; the last three (012) identify the county.

What is the largest town in La Paz County?

Parker, with 3,456 residents inside La Paz County in 2024.

Which counties border La Paz County?

7 county-equivalents border it in the Census 2024 adjacency file: Maricopa County, AZ; Riverside County, CA; San Bernardino County, CA; Yavapai County, AZ; Mohave County, AZ; Yuma County, AZ; Imperial County, CA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.