Flagstaff, Arizona Population 2021

77,590
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Flagstaff is a city located in Coconino County Arizona. It is also the county seat of Coconino County. With a 2020 population of 77,590, it is the 15th largest city in Arizona and the 459th largest city in the United States . Flagstaff is currently growing at a rate of 1.67% annually and its population has increased by 17.79% since the most recent census, which recorded a population of 65,870 in 2010. Flagstaff reached it's highest population of 77,590 in 2021. Spanning over 66 miles, Flagstaff has a population density of 1,175 people per square mile.

The average household income in Flagstaff is $77,787 with a poverty rate of 17.47%. The median rental costs in recent years comes to $1,265 per month, and the median house value is $351,600. The median age in Flagstaff is 25.2 years, 26.1 years for males, and 24.2 years for females.

Flagstaff is located in Coconino County, Arizona. The city is located on the edge of the Ponderosa Pine forest and the Colorado Plateau close to Mount Elden, which is part of the state's highest mountain range. Flagstaff is named for the ponderosa pine flagpole made by a scouting party to celebrate the country's Centennial.

Flagstaff Diversity

Flagstaff has a notably large Native American population that is about 12x the national average. This is due to Flagstaff's proximity to several Native American reservations such as the Hopi, Yavapai, Navajo, and Havasupai. There are almost 5,500 people of Navajo ancestry in Flagstaff.

Flagstaff is a college town, which is reflected in the demographics. Almost 90% of the population has a high school diploma or GED compared to the national average of 80%. More than 39% of the population has a bachelor's degree or higher.

Flagstaff Facts

Flagstaff's economy mostly centers on education and tourism, receiving more than 5 million visitors every year.

Flagstaff is found near Grand Canyon National Park, which supports its thriving tourism industry.

The city is also known for its high-tech and science development centers such as the Lowell Observatory, the United States Geological Survey's Flagstaff campus, and the United States Naval Observatory Flagstaff Station (NOFS).

Flagstaff Population Growth

Flagstaff is one of the fastest-growing areas of Arizona, according to recent census figures. While Phoenix has been losing large numbers to the outlying suburbs, Flagstaff grew more than 4% between 2011 and 2012 alone. Its growth rate was so fast, in fact, that it was the 9th fastest-growing city in the United States at the time. Flagstaff has also grown by 25% between 2000 and 2010.

The growth in Flagstaff is expected to continue soon as more people move away from the city into the suburbs with a lower cost of living and more job opportunities.

Flagstaff Demographics

According to the most recent ACS, the racial composition of Flagstaff was:

  • White: 78.34%
  • Native American: 7.85%
  • Two or more races: 5.27%
  • Other race: 3.21%
  • Asian: 3.08%
  • Black or African American: 1.99%
  • Native Hawaiian or Pacific Islander: 0.26%
The current population of Flagstaff, Arizona is 77,590 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 73,762.The last official US Census in 2010 recorded the population at 65,870.

Flagstaff, Arizona Population 2021

2019 and 2020 population is estimated by projecting the raw 2018 numbers.

Year Population Growth Growth Rate
2021145,3829530.66%
2020144,4299530.66%
2019143,4769530.66%
2018142,5231,5221.07%
2017141,0015940.42%
2016140,4071,4451.03%
2015138,9621,3961.00%
2014137,5668670.63%
2013136,6995530.40%
2012136,1461,8711.37%
2011134,275-337-0.25%
2010134,6120.00%

Flagstaff Metro Area Population by Year

Population by Race

Race Population Percentage
White56,72278.34%
American Indian and Alaska Native5,6837.85%
Two or More Races3,8175.27%
Some Other Race2,3223.21%
Asian2,2273.08%
Black or African American1,4421.99%
Native Hawaiian and Other Pacific Islander1890.26%
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Flagstaff Population by Race

Flagstaff Population Pyramid $2021

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Flagstaff Median Age

25.2


Total

26.1


Male

24.2


Female

Flagstaff Adults

There are 59,417 adults, (6,049 of whom are seniors) in Flagstaff.

Flagstaff Age Dependency

35.7

Age Dependency Ratio

11.3

Old Age Dependency Ratio

24.3

Child Dependency Ratio

Flagstaff Sex Ratio

Female

36,508

50.42%

Male

35,894

49.58%

Flagstaff Population by Age

Flagstaff Renter vs Owner Occupied by Household Type

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Flagstaff Household Types

Type Owner Renter
Married71.6%28.4%
All47.4%52.6%
Female35.4%64.6%
Male32.7%67.3%
Non Family31.5%68.5%

47.4%

Rate of Home Ownership

Flagstaff Households and Families

Type Count Average Size Owned
All23,8392.4947.4
Non Family11,4071.6831.5
Married9,2283.2271.6
Female2,2273.235.4
Male9773.4432.7

3.12

Average Family Size

2.49

Average Household Size

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Flagstaff Households by Type

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Education Attained Count Percentage
Less Than 9th Grade7262.00%
9th to 12th Grade1,4033.86%
High School Graduate6,01916.54%
Some College7,97221.91%
Associates Degree3,1388.63%
Bachelors Degree9,51226.14%
Graduate Degree7,61220.92%
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Flagstaff Educational Attainment by Sex (over 25)

Flagstaff Educational Attainment by Race

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Race Total High School Bachelors
White24,97024,55914,323
Hispanic6,1615,0441,430
Native American3,0962,657420
Other Race1,263826214
2+ Races1,1811,093387
Asian1,089971576
Black375361107
Islander444430

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 68.18%.

Flagstaff Educational Attainment by Race

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Name Average Male Female
Overall$38,339$41,713$36,334
Less Than 9th Grade$26,667$27,458$25,000
High School Graduate$27,278$30,711$25,519
Some College$33,292$39,071$27,481
Bachelors Degree$41,163$44,614$38,955
Graduate Degree$56,026$65,605$49,632

$38,339

Average Earnings

$41,713

Average Male

$36,334

Average Female

Flagstaff Earnings by Educational Attainment

Flagstaff Language by Age

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Flagstaff Language

83.61% of Flagstaff residents speak only English, while 16.39% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 8.48% of the population.

Flagstaff Language

Flagstaff Poverty by Race

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Name Total In Poverty Poverty Rate
White38,6086,30916.34%
Hispanic11,4982,31620.14%
Native5,1411,05420.50%
Multiple3,02956518.65%
Asian1,80646925.97%
Other1,74123013.21%
Black76720226.34%
Islander1304736.15%

17.47%

Overall Poverty Rate

17.70%

Male Poverty Rate

17.21%

Female Poverty Rate

Poverty in Flagstaff

The race most likely to be in poverty in Flagstaff is Islander, with 36.15% below the poverty level.

The race least likely to be in poverty in Flagstaff is Other, with 13.21% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.60%. Among those working part-time, it was 35.04%, and for those that did not work, the poverty rate was 27.71%.

Flagstaff Poverty

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Name Poverty
Less Than 9th Grade17.85%
High School14.42%
Some College11.81%
Bachelors or Greater4.49%

Flagstaff Poverty Rate by Education

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Rate Poverty
Male Unemployed61.45%
Female Unemployed42.98%
Female Employed13.57%
Male Employed13.44%

Flagstaff Poverty Rate by Employment Status and Sex

Flagstaff Income by Household Type

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Name Median Mean
Households$58,748$77,787
Families$81,116$101,340
Married Families$93,660$116,881
Non Families$36,492$49,259
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Income by Household Type

Flagstaff Marital Status

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Marriage Rates

32.0%

Overall Marriage Rate

33.2%

Male Marriage Rate

30.7%

Female Marriage Rate

Flagstaff Married by Age and Sex

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Flagstaff Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Flagstaff Marital Status by Race

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Flagstaff Marital Status

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2,911

Number of Veterans

2,622

Male Veterans

289

Female Veterans

War Veterans
Vietnam993
Second Gulf War767
First Gulf War651
Korea160
World War II61

Flagstaff Veterans by War

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Age Group Veterans
65 to 74783
35 to 54684
55 to 64543
75+504
18 to 34397

Flagstaff Veterans by Age

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Name Veterans % of Total
White2,4505.19%
Hispanic5385.25%
2+ Races1566.41%
Native American1072.47%
Other Race994.81%
Black876.98%
Asian120.60%

Flagstaff Veterans by Race

Flagstaff Veterans by Education

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8.37%

Veteran Poverty Rate

26.34%

Veteran Disability Rate

Flagstaff Veterans by Education

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66.5%

Labor Force Participation

61.5%

Employment Rate

7.6%

Unemployment Rate

Flagstaff Employment by Age

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Flagstaff Employment by Race

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Flagstaff Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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45.74%

Born in Flagstaff

94.16%

Native Born

5.84%

Foreign Born

3.45%

Non Citizen

2.38%

Naturalized

Place of Birth

94.16% of Flagstaff residents were born in the United States, with 45.74% having been born in Arizona. 3.45% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Flagstaff Place of Birth

Year Population Growth Annual Growth Rate
202177,5901,2761.67%
202076,3141,2761.70%
201975,0381,2761.73%
201873,7621,7252.39%
201772,0378881.25%
201671,1491,1831.69%
201569,9661,3571.98%
201468,6095190.76%
201368,0901770.26%
201267,9131,8422.79%
201166,071-17-0.03%
201066,08813,1942.25%
200052,8947,0371.44%
199045,85711,1142.81%
198034,7438,6262.90%
197026,1177,9033.67%
196018,21411,44310.40%
19506,7711,6912.92%
19405,0801,1892.70%
19303,8917052.02%
19203,1861,8864.58%
19001,3000.00%

Flagstaff Population by Year