• county
  • FIPS 04027
  • Largest town: Yuma

Yuma County, Arizona

Yuma County had 220,310 residents in the Census Vintage 2024 estimate, on 5,513.8 square miles of land. It ranks 6th of 15 in Arizona by population and 9th by land area.

Population
220,310
#6 of 15 in Arizona · #324 in US
Area
5,513.8 sq mi
#9 of 15 in Arizona · #68 in US
Density
40 / sq mi
#5 of 15 in Arizona · #1,674 in US
Median household income
$61,225
#8 of 15 in Arizona · #1,716 in US

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

Yuma County within Arizona. Pin: Phoenix.

Yuma County population, land area and income

Yuma County had 220,310 residents in the Census Vintage 2024 estimate, on 5,513.8 square miles of land. It ranks 6th of 15 in Arizona by population and 9th by land area. That works out to 40.0 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Arizona has 125,773 residents; Yuma County is somewhat larger.

Its SAIPE 2023 median household income of $61,225 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

220,310

3144th1st

324th of 3,144 (US)

Land area

5,514 sq mi

3144th1st

68th of 3,144 (US)

Density

40.0 / sq mi

3144th1st

1674th of 3,144 (US)

Median household income

$61,225

3143rd1st

1716th of 3,143 (US)

Rank within Arizona (15)

Population

220,310

15th1st

6th of 15 (AZ)

Land area

5,514 sq mi

15th1st

9th of 15 (AZ)

Density

40.0 / sq mi

15th1st

5th of 15 (AZ)

Median household income

$61,225

15th1st

8th of 15 (AZ)

How Yuma County's population changed since 2020

Yuma County gained 14,645 residents between the July 2020 and July 2024 estimates, a rise of 7.1%. That ranks 2nd 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, Yuma County recorded 11,914 births and 8,873 deaths, a natural change of +3,041. Net international migration added +8,570 and net domestic migration, people moving to or from other US counties, came to +3,501. The largest single component was international migration, which added 8,570 people.

205.7k2020207.7k2021209.5k2022215.4k2023220.3k2024
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
11,914
Deaths
8,873
Net international migration
+8,570
Net domestic migration
+3,501
Change, July 2023 to July 2024
+4,862

Where Yuma County is

The Census internal point of Yuma County is at 32.773900, -113.910900. It sits in UTM zone 12N. The map shades Arizona's 15 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Yuma County outlined. Dots are towns of 1,000+ people with residents in it.

Internal point

Decimal
32.773900, -113.910900
DMS
32°46'26.04"N 113°54'39.24"W
UTM
12N 227335.5E 3629973.3N
Geohash
9myfryk9g
Plus code
8548Q3FQ+HJ

Towns in Yuma County

4 incorporated places of 1,000+ people have residents in Yuma County, 161,173 people together, or 73% of the county. Each figure counts only the part of the town inside Yuma County; towns marked "part" extend into another county. The largest is Yuma with 103,559.

  1. 01Yuma103,559
  2. 02San Luis40,064
  3. 03Somerton14,902
  4. 04Wellton2,648
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Yuma County

The Census 2024 county adjacency file lists 4 neighbors for Yuma County, including 1 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 116.1 miles ENE of Yuma County's internal point in a straight line. The nearest place of 100,000 or more is Yuma, AZ (population 103,559), 39.8 miles away.

Yuma County FIPS code

The FIPS code of Yuma County is 04027: state code 04 for Arizona plus county code 027. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $61,225.

Questions people ask

What is the population of Yuma County, Arizona?

The Census Vintage 2024 estimate for July 1, 2024 is 220,310. That is up 14,645 people (7.1%) from the July 2020 estimate of 205,665.

What is the FIPS code of Yuma County?

04027. The first two digits (04) are Arizona; the last three (027) identify the county.

What is the largest town in Yuma County?

Yuma, with 103,559 residents inside Yuma County in 2024.

Which counties border Yuma County?

4 county-equivalents border it in the Census 2024 adjacency file: Maricopa County, AZ; Pima County, AZ; Imperial County, CA; La Paz County, AZ.

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.