Navajo County, Arizona

County in AZ, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

108,415

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

39.5

years ∙ half population younger than 39.5, half older

Diversity Index

63.6%

chance two random people differ in race and ethnicity

Nativity

2.5%

foreign-born population

97.5%Native

2.5% Foreign-born

Geographic Context

Location, size, and surroundings

About

Navajo County is a county in Arizona, United States.

Location

County in AZ, US

Co-ordinates

DEC35.390785° N, 110.321025° W

DMS35° 23′ 26.83″ N, 110° 19′ 15.69″ W

Population Density & area

10.9/sq mi (4.21/km²)

Total Area

9,958 sq mi (25,793 km²)

Land Area

9,949 sq mi (25,769 km²) · 99.91%

Water Area

9 sq mi (24 km²) · 0.09%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

50.3% male

Male 50.3%

Female 49.7%

males per 100 females

Navajo County 101.2

Arizona 99.7

United States 98

Nativity

2.5%

foreign-born population

97.5%Native

2.5% Foreign-born

% Foreign-born

Navajo County 2.5%

Arizona 13%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

39.5

years ∙ half population younger than 39.5, half older

Navajo County

39.5

Arizona

United States

38.9

Dependency ratio

dependents per 100 working-age adults

Navajo County 83

Arizona 68.2

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Navajo County	Arizona	United States
Age Group
Children (Under 18)	25.2%	21.6%	22%
Working age (18-64)	54.7%	59.5%	60.8%
Senior (65+)	20.1%	18.9%	17.2%
Dependency ratio
Total dependency ratio	83	68.2	64.4
Child dependency ratio	46.2	36.3	36.1
Old-age dependency ratio	36.8	31.9	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

42.7%

Black

Asian

0.4%

Hispanic

10.9%

Other

45%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

63.6%

chance two random people differ in race and ethnicity

Navajo County 63.6%

Arizona 61.9%

United States 61.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Navajo County population

	Navajo County	Arizona	United States
Hispanic or Latino	10.9%	31.4%	19.3%
Mexican	8.3%	26.9%	11.3%
Puerto Rican	0.2%	0.7%	1.8%
Cuban	0%	0.3%	0.8%
Other Hispanic / Latino	2.3%	3.4%	5.5%
Not Hispanic or Latino	89.1%	68.6%	80.7%
One race	85.5%	64.2%	76.4%
White	42.7%	52.6%	57.4%
Black or African American	1%	4.4%	11.9%
American Indian and Alaska Native	41%	3.2%	0.5%
Asian	0.4%	3.5%	5.9%
Native Hawaiian and Other Pacific Islander	0.1%	0.2%	0.2%
Some Other Race	0.3%	0.5%	0.6%
Two or more races (Multiracial)	3.6%	4.4%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

69.5% family

Family 69.5%

Non family 30.5%

% family households

Navajo County 69.5%

Arizona 64.3%

United States 64.2%

Average household size

2.64

persons per household

Navajo County

2.64

Arizona

2.53

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Navajo County population

	Navajo County	Arizona	United States
Total households	40,063	2,856,081	129,227,496
Average houshold size	2.64	2.53	2.53
Family households	27,850	1,835,692	82,990,528
Average family size	3.18	3.1	3.14
Married couple family	18,717	1,334,773	60,637,388
Other families	9,133	500,919	22,353,140
Male householder	2,607	160,874	6,572,819
Female householder	6,526	340,045	15,780,321
Non-family households	12,213	1,020,389	46,236,968
One-person households	10,321	786,211	37,140,836
Male householder	5,303	364,955	16,871,444
Senior (65+) living alone	2,038	125,594	5,225,110
Female householder	5,018	421,256	20,269,392
Senior (65+) living alone	2,561	221,386	10,089,070
Other living arrangements	1,892	234,178	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

57,230

housing units

Navajo County 57,230

Arizona 3,192,839

United States 143,775,355

Occupancy status

70% occupied

Occupied 70%

Vacant 30%

vacancy rate

Navajo County 30%

Arizona 10.5%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

73.7%

Single family houses

73.7%

Apartments in multi-unit structures

6.7%

Mobile homes

19.1%

Boat, RV, van, etc

0.5%

Median Year Built

1989

Half of houses were built before 1989, and half after.

Historic ∙ 1939 or earlier

2.6%

Postwar & mid-century ∙ 1940 - 1969

13.4%

Late 20th century ∙ 1970 - 1999

53%

Modern ∙ 2000 or later

31.2%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Navajo County	Arizona	United States
Rooms per unit
Median rooms	5	5.3	5.5
1–3 rooms	17.5%	16.3%	15.1%
4–6 rooms	62.6%	55.3%	51.6%
7+ rooms	20%	28.3%	33.4%
Bedrooms
No bedroom / studio	3.9%	3.2%	2.9%
1 bedroom	10.8%	10.9%	10.9%
2 bedrooms	26.8%	25.4%	25%
3 bedrooms	42.2%	36.9%	38.7%
4+ bedrooms	16.3%	23.6%	22.4%
At a glance
Median year built	1989	1993	1981
Total housing units	57,230	3,192,839	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

73.2% owners

Renter-occupied 26.8%

Owner-occupied 73.2%

homeownership rate

Navajo County 73.2%

Arizona 67.4%

United States 65.2%

Average household size

2.64

Owner-occupied

2.62

Renter-occupied

owner-occupied average size

Navajo County 2.64

Arizona 2.6

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Navajo County	Arizona	United States
Total occupied units	40,063	2,856,081	129,227,496
Year moved in
2020 or later	21.4%	28.6%	24.8%
2010 to 2019	36.9%	44.5%	39.6%
2000 to 2009	18.9%	14.8%	16.4%
1999 or earlier	22.9%	12.1%	19.1%
Occupants per room
1.00 or fewer	91.7%	95.7%	96.6%
1.01 to 1.50	4.6%	2.8%	2.2%
1.51 or more	3.7%	1.5%	1.2%
Vehicles availability
No vehicles	8.5%	5.4%	8.4%
1 vehicle	32.1%	34.4%	33.1%
2 vehicles	34.6%	37.6%	36.6%
3 or more vehicles	24.9%	22.6%	21.9%
House heating fuel used
Gas	42%	36.1%	51.4%
Electricity	22.8%	59.9%	41.3%
Solar	0.5%	1%	0.3%
Fuel oil, kerosene etc	0.2%	0.1%	3.9%
All other fuels	34%	1.9%	2%
No fuel used	0.4%	1%	1.2%
Selected characteristics
Lacking complete plumbing	6.4%	0.7%	0.4%
Lacking complete kitchen	5%	0.8%	0.8%
No telephone service available	3.6%	1.1%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$201,500

owner-occupied units

Median value(USD)

Navajo County

$201,500

Arizona

$394,500

United States

$332,700

Housing Cost Burden

24.5%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

24.5%

Owners without a mortgage

11.1%

Renters

34.5%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Navajo County	Arizona	United States
Property value
Median Value	$201,500	$394,500	$332,700
Under $100,000	29.4%	9.4%	11.4%
$100,000 - $200,000	20.2%	8%	15.8%
$200,000 - $300,000	18%	14.6%	17.8%
$300,000 - $500,000	21.9%	36.3%	26.9%
$500,000 - $1,000,000	9.1%	26%	20.9%
$1,000,000 and more	1.3%	5.6%	7.1%
Owner-occupied households
With a mortgage	33.8%	61.8%	60.6%
Without a mortgage	66.2%	38.2%	39.4%
Median monthly owner costs
With a mortgage	$1,366	$1,803	$1,963
Without a mortgage	$353	$525	$638
Gross rent
Median rent	$858	$1,543	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

19.1%

of adults 25+ with a bachelor's degree or higher

Navajo County 19.1%

Arizona 33.3%

United States 35.7%

Adults without a high school diploma

13.5%

of adults (25+) without a high school diploma

Navajo County 13.5%

Arizona 10.6%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

25,305

population (age 3+) enrolled in school

Nursery / Preschool

4.4%

K–12

83.6%

College / Undergraduate

9.7%

Graduate / Professional

2.3%

College-going rate (18-24 yr olds)

13%

of 18-24-year-olds in college or graduate school

Navajo County

13%

Arizona

36.1%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Navajo County	Arizona	United States
Total enrolled (age 3+)	25,305	1,721,959	80,089,790
Nursery / preschool	4.4%	4.4%	5.7%
K–12	83.6%	69%	67.6%
Kindergarten	6.5%	4.8%	5%
Elementary: Grades 1–4	24.9%	20.1%	19.8%
Elementary: Grades 5–8	25.5%	21.4%	21%
High School: Grades 9–12	26.7%	22.7%	21.7%
College or graduate school	12%	26.6%	26.7%
College, undergraduate	9.7%	21%	21%
Graduate, professional school	2.3%	5.6%	5.8%
College-going rate · 18-24 yr olds	13%	36.1%	40.9%
School type
Public school	90.8%	85.6%	82%
Private school	9.2%	14.4%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

72,679

population 25 years and over

Total adults (25+)

Less than 9th grade

4.8%

9th-12th, no diploma

8.7%

HS graduate

30.5%

Some college no degree

27.3%

Associates degree

9.5%

Bachelors degree

11.7%

Graduate or professional degree

7.4%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

53.8% · 46.2%

9th-12th, no diploma

53.1% · 46.9%

HS graduate

56.3% · 43.7%

Some college no degree

44.5% · 55.5%

Associates degree

46.5% · 53.5%

Bachelors degree

43.7% · 56.3%

Graduate or professional degree

46.7% · 53.3%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Navajo County	Arizona	United States
Population (25+)	72,679	5,088,675	230,807,303
Less than 9th grade	4.8%	4.5%	4.7%
9th–12th, no diploma	8.7%	6.1%	5.7%
High school diploma or GED	30.5%	23.5%	26%
Some college, no degree	27.3%	23.3%	19.1%
Associate's degree	9.5%	9.3%	8.8%
Bachelor's degree or higher	19.1%	33.3%	35.7%
Bachelor's degree	11.7%	20.3%	21.6%
Graduate or professional	7.4%	13%	14.1%
High School or higher	86.4%	89.4%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$40,314

Median earnings for adults 25+, by level

Less than HS graduate

$29,522

HS graduate

$35,077

Some college or associates

$37,717

Bachelors degree

$51,730

Graduate or professional degree

$70,632

Poverty Rate

7.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

47.2%

HS graduate

27.4%

Some college or associates

17.1%

Bachelors degree or higher

7.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Navajo County	Arizona	United States
Median earnings
Population 25+, with earnings	$40,314	$51,402	$52,696
Less than high school graduate	$29,522	$34,212	$32,485
High school graduate (includes equivalency)	$35,077	$40,874	$40,153
Some college or associate's degree	$37,717	$47,651	$47,260
Bachelor's degree	$51,730	$67,417	$70,044
Graduate or professional degree	$70,632	$84,105	$90,720
Poverty rates
Less than high school graduate	47.2%	23.4%	24.2%
High school graduate (includes equivalency)	27.4%	13.8%	14.4%
Some college or associate's degree	17.1%	10.1%	9.8%
Bachelor's degree or higher	7.1%	5.1%	4.5%

Insights for Navajo County, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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