Twin Falls County, Idaho Population 2018

Twin Falls County, Idaho's estimated population is 85,124 with a growth rate of 5.15% in the past year according to the most recent United States census data. Twin Falls County, Idaho is the 6th largest county in Idaho.

Year Population Growth Growth Rate
201785,1244,1695.15%
201680,955-2,581-3.09%
201683,5361,4771.80%
201582,0591,2231.51%
201480,8361,1521.45%
201379,6841,2601.61%
201278,4243830.49%
201178,0414850.63%
201077,55623,97644.75%
199053,5806531.23%
198052,92711,12026.60%
197041,807-35-0.08%
196041,8428632.11%
195040,9794,57612.57%
194036,4036,57522.04%
193029,8281,4305.04%
192028,39814,855109.69%
191013,5430.00%

Twin Falls County, Idaho Population Growth

Population Data via

Population by Race

Race Population
White74,926
Some Other Race1,964
Asian1,272
Two or More Races1,238
American Indian and Alaska Native980
Black or African American517
Native Hawaiian and Other Pacific Islander58

Race Data via US Census (2016 ACS 5-Year Survey)

Twin Falls County, Idaho Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Twin Falls County, Idaho Median Age

34.6


Total

33.8


Male

35.4


Female

Twin Falls County, Idaho Adults

There are 58,611 adults, (11,981 of which are seniors) in Twin Falls County, Idaho.

Twin Falls County, Idaho Age Dependency

73.6

Age Dependency Ratio

25.6

Old Age Dependency Ratio

48

Child Dependency Ratio

Twin Falls County, Idaho Sex Ratio

Female

41,040

50.69%

Male

39,915

49.31%

Twin Falls County, Idaho Households and Families

Twin Falls County, Idaho Renter vs Owner Occupied by Household Type

Twin Falls County, Idaho Household Types

Type Owner Renter
Married77.6%22.4%
All67%33%
Non Family55.8%44.2%
Female49.5%50.5%
Male48%52%

67.0%

Rate of Home Ownership

Twin Falls County, Idaho Households by Type

Type Count Average Size Owned
All29,2002.7367
Married16,3693.3677.6
Non Family8,2771.2555.8
Female3,1783.1349.5
Male1,3763.1948

3.22

Average Family Size

2.73

Average Household Size

4.3%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Twin Falls County, Idaho Households

Twin Falls County, Idaho Education

Twin Falls County, Idaho Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade2,5074.88%
9th to 12th Grade4,2458.26%
High School Graduate15,03729.27%
Some College14,07827.41%
Associates Degree6,18212.03%
Bachelors Degree6,33312.33%
Graduate Degree2,9885.82%

Twin Falls County, Idaho Educational Attainment by Race

Name Total High School Bachelors
White43,79239,7708,767
Hispanic5,8503,481290
Other Race1,06655112
Asian752619134
Native American57935920
Multiple Races43331674
Black18517916
Islander58588

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 20.02%.

Twin Falls County, Idaho Earnings by Educational Attainment

Name Average Male Female
Overall$28,696$35,516$21,076
Less Than High School$20,767$27,579$11,342
High School Grad$26,168$30,940$19,055
Some College$27,261$37,174$20,730
Bachelors Degree$37,492$48,028$33,791
Graduate Degree$53,068$66,333$41,235

$28,696

Average Earnings

$35,516

Average Male

$21,076

Average Female

Twin Falls County, Idaho Language

Twin Falls County, Idaho Language by Age

Twin Falls County, Idaho Language

86.11% of Twin Falls County, Idaho residents speak only English, while 13.89% speak other languages. The largest non-English language is Spanish, which is spoken by 10.10% of the population.

Twin Falls County, Idaho Poverty

Twin Falls County, Idaho Poverty by Race

Name Total In Poverty Poverty Rate
White64,5078,86813.75%
Hispanic12,0042,92424.36%
Native95746048.07%
Other1,96435418.02%
Multiple1,18825921.80%
Asian1,2721068.33%
Black5019017.96%
Islander5411.85%

15.59%

Overall Poverty Rate

14.45%

Male Poverty Rate

16.70%

Female Poverty Rate

Poverty in Twin Falls County, Idaho

The race most likely to be in poverty in Twin Falls County, Idaho is Native, with 48.07% below the poverty level.

The race least likely to be in poverty in Twin Falls County, Idaho is Islander, with 1.85% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.67%. Among those working part-time, it was 20.95%, and for those that did not work, the poverty rate was 18.87%.

Twin Falls County, Idaho Poverty Rate by Education

Name Poverty
Less Than High School21.88%
High School13.66%
Some College10.98%
Bachelors or Greater4.95%

Twin Falls County, Idaho Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed22.71%
Female Unemployed21.45%
Female Employed11.83%
Male Employed8.67%

Twin Falls County, Idaho Income

Twin Falls County, Idaho Income by Household Type

Name Median Mean
Households$45,500$58,239
Families$55,164$67,200
Married Families$60,825$74,621
Non Families$25,082$31,950

Twin Falls County, Idaho Marital Status

Twin Falls County, Idaho Marital Status

Marriage Rates

55.9%

Overall Marriage Rate

57.6%

Male Marriage Rate

54.4%

Female Marriage Rate

Twin Falls County, Idaho Married by Age and Sex

Twin Falls County, Idaho Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 35To44.

Twin Falls County, Idaho Marital Status by Race

Twin Falls County, Idaho Veterans

Twin Falls County, Idaho Veterans by War

5,580

Number of Veterans

5,282

Male Veterans

298

Female Veterans

Name Veterans
Vietnam2,044
First Gulf War1,069
Second Gulf War853
Korea645
World War II331

Twin Falls County, Idaho Veterans by Age

Name Veterans
75+1,342
65 to 741,335
35 to 541,289
55 to 641,021
18 to 34593

Twin Falls County, Idaho Veterans by Race

Name Veterans % of Total
White5,3829.82%
Hispanic2393.21%
2 or More7914.66%
Other392.75%
Black3612.37%
Indian304.36%
Asian131.63%
Hawaiian11.72%

Twin Falls County, Idaho Veterans by Education

7.56%

Veteran Poverty Rate

28.38%

Veteran Disability Rate

Twin Falls County, Idaho Employment Status

Twin Falls County, Idaho Employment by Age

64.5%

Labor Force Participation

61.6%

Employment Rate

4.4%

Unemployment Rate

Twin Falls County, Idaho Employment by Race

Twin Falls County, Idaho Employment by Education

Population of Cities in Twin Falls County, Idaho

City 2010 Census 2016 Estimated Growth Growth Rate
Twin Falls443234826039378.88%
Buhl412442981744.22%
Kimberly3293373644313.45%
Filer251427232098.31%
Hansen114112451049.11%
Hollister27227751.84%
Castleford226237114.87%
Murtaugh1261411511.90%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990