Twin Falls, Idaho Population 2020

51,770
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Twin Falls is a city located in Idaho. With a 2020 population of 51,770, it is the 8th largest city in Idaho and the 767th largest city in the United States. Twin Falls is currently growing at a rate of 1.98% annually and its population has increased by 17.33% since the most recent census, which recorded a population of 44,125 in 2010. Spanning over 19 miles, Twin Falls has a population density of 2,694 people per square mile.

The average household income in Twin Falls is $62,246 with a poverty rate of 15.67%. The median rental costs in recent years comes to $793 per month, and the median house value is $154,000. The median age in Twin Falls is 32.8 years, 33 years for males, and 32.7 years for females. For every 100 females there are 93.4 males.

Twin Falls Demographics

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

  • White: 90.85%
  • Asian: 2.79%
  • Other race: 2.42%
  • Two or more races: 1.74%
  • Black or African American: 1.12%
  • Native American: 1.00%
  • Native Hawaiian or Pacific Islander: 0.07%
The current population of Twin Falls, Idaho is 51,770, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 49,764.The last official US Census in 2010 recorded the population at 44,125.

Twin Falls, Idaho Population 2020

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

Year Total Population Growth Annual Growth Rate
2020112,2141,0590.94%
2019111,1551,0590.95%
2018110,0961,0590.96%
2017109,0371,8651.71%
2016107,1721,9361.81%
2015105,2361,2881.22%
2014103,9481,2601.21%
2013102,6881,5461.51%
2012101,1425200.51%
2011100,6226330.63%
201099,9890.00%

Population by Race

Race Population Percentage
White43,81490.85%
Asian1,3472.79%
Some Other Race1,1682.42%
Two or More Races8381.74%
Black or African American5421.12%
American Indian and Alaska Native4821.00%
Native Hawaiian and Other Pacific Islander340.07%
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Twin Falls Population Pyramid 2020

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Twin Falls Median Age

32.8


Total

33


Male

32.7


Female

Twin Falls Adults

There are 34,785 adults, (6,518 of whom are seniors) in Twin Falls.

Twin Falls Age Dependency

70.6

Age Dependency Ratio

23.1

Old Age Dependency Ratio

47.5

Child Dependency Ratio

Twin Falls Sex Ratio

Female

24,933

51.70%

Male

23,292

48.30%

Twin Falls Households and Families

Twin Falls Renter vs Owner Occupied by Household Type

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Twin Falls Household Types

Type Owner Renter
Married79.5%20.5%
All62.9%37.1%
Male50.9%49.1%
Non Family47.3%52.7%
Female44.4%55.6%

62.9%

Rate of Home Ownership

Type Count Average Size Owned
All18,0472.6162.9
Married8,8293.3579.5
Non Family6,0341.2647.3
Female2,2533.0244.4
Male9313.3650.9

3.19

Average Family Size

2.61

Average Household Size

6.2%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

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Twin Falls Education

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Education Attained Count Percentage
Less Than 9th Grade1,2744.18%
9th to 12th Grade2,0936.87%
High School Graduate8,42327.64%
Some College8,59428.21%
Associates Degree3,73012.24%
Bachelors Degree3,89412.78%
Graduate Degree2,4618.08%
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Twin Falls Educational Attainment by Race

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Name Total High School Bachelors
White25,18423,0915,771
Hispanic3,7212,596264
Asian795732204
Other Race71149355
Native American33727277
Multiple Races32428219
Black21321333
Islander3434

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

The highest rate of bachelors degrees is among asian people with a rate of 25.66%.

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Name Average Male Female
Overall$30,981$39,707$21,619
Less Than High School$25,034$32,500$17,764
High School Grad$26,692$33,186$18,622
Some College$30,109$39,665$20,032
Bachelors Degree$38,512$52,773$33,294
Graduate Degree$51,821$67,500$41,061

$30,981

Average Earnings

$39,707

Average Male

$21,619

Average Female

Twin Falls Language

Twin Falls Language by Age

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Twin Falls Language

84.90% of Twin Falls residents speak only English, while 15.10% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.30% of the population.

Twin Falls Poverty

Twin Falls Poverty by Race

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Name Total In Poverty Poverty Rate
White37,0555,60615.13%
Hispanic7,4041,04214.07%
Black52032061.54%
Asian1,34728721.31%
Multiple80917721.88%
Other1,168726.16%
Native45951.09%

15.67%

Overall Poverty Rate

13.74%

Male Poverty Rate

17.47%

Female Poverty Rate

Poverty in Twin Falls

The race most likely to be in poverty in Twin Falls is Black, with 61.54% below the poverty level.

The race least likely to be in poverty in Twin Falls is Native, with 1.09% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.42%. Among those working part-time, it was 23.48%, and for those that did not work, the poverty rate was 21.13%.

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Name Poverty
Less Than High School18.76%
High School16.03%
Some College12.41%
Bachelors or Greater5.70%
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Name Poverty
Female Unemployed40.16%
Female Employed15.31%
Male Unemployed12.73%
Male Employed6.31%

Twin Falls Income

Twin Falls Income by Household Type

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Name Median Mean
Households$48,876$62,246
Families$59,315$73,562
Married Families$68,601-
Non Families$30,586$36,125
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Twin Falls Marital Status

Twin Falls Marital Status

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Marriage Rates

52.2%

Overall Marriage Rate

53.7%

Male Marriage Rate

50.7%

Female Marriage Rate

Twin Falls Married by Age and Sex

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Twin Falls Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Twin Falls Marital Status by Race

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Twin Falls Veterans

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3,512

Number of Veterans

3,220

Male Veterans

292

Female Veterans

War Veterans
Vietnam1,145
First Gulf War879
Second Gulf War590
Korea350
World War II139
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Age Group Veterans
35 to 541,077
75+809
65 to 74790
55 to 64581
18 to 34255
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Name Veterans % of Total
White3,28510.29%
Hispanic3697.30%
Asian738.59%
2 or More5713.94%
Indian5514.55%
Other414.56%
Black10.38%

Twin Falls Veterans by Education

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8.17%

Veteran Poverty Rate

26.40%

Veteran Disability Rate

Twin Falls Employment Status

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68.2%

Labor Force Participation

66.1%

Employment Rate

3.1%

Unemployment Rate

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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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51.22%

Born in Idaho

90.30%

Native Born

9.70%

Foreign Born

6.71%

Non Citizen

2.99%

Naturalized

Place of Birth

90.30% of Twin Falls residents were born in the United States, with 51.22% having been born in Idaho. 6.71% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202051,7701,0031.98%
201950,7671,0032.02%
201849,7645041.02%
201749,2601,0032.08%
201648,2579732.06%
201547,2847921.70%
201446,4926391.39%
201345,8537651.70%
201245,0882420.54%
201144,8463340.75%
201044,51210,0432.59%
200034,4696,8782.25%
199027,5911,3820.52%
198026,2094,2951.81%
197021,9141,7880.85%
196020,1262,5261.35%
195017,6005,7494.03%
194011,8513,0643.04%
19308,7874630.54%
19208,3243,0664.70%
19105,2580.00%