Last official estimated population of Irion County was 1,610 (year 2014)[1]. This was 0.001% of total US population and 0% of total Texas state population. Area of Irion County is 1,051.6 mi² (=2723.7 km²), in this year population density was 1.53 p/mi². If population growth rate would be same as in period 2010-2014 (+0.17%/yr), Irion County population in 2026 would be 1,643 [0].
Historical population of Irion County for period 1890-2014 [1] , [2] , [3]:
Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.
Population • Density • Changes • Legends • Position

[1890-1900] -0.26 %/yr
[1900-1910] +4.23 %/yr
[1910-1920] +2.3 %/yr
[1920-1930] +2.44 %/yr
[1930-1940] -0.43 %/yr
[1940-1950] -2.09 %/yr
[1950-1960] -2.91 %/yr
[1960-1970] -1 %/yr
[1970-1980] +2.62 %/yr
[1980-1990] +1.63 %/yr
[1990-2000] +0.81 %/yr
[2000-2005] -1.78 %/yr
[2005-2010] -0.17 %/yr
[2010-2014] +0.17 %/yr
Looking for settlements in Irion County? Visit this page: Settlements in Irion County, TX
Population of Irion County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 58 | 42 | 100 |
| 5 to 9 | 42 | 35 | 77 |
| 10 to 14 | 56 | 51 | 107 |
| 15 to 19 | 57 | 54 | 111 |
| 20 to 24 | 46 | 33 | 79 |
| 25 to 29 | 46 | 50 | 96 |
| 30 to 34 | 50 | 33 | 83 |
| 35 to 39 | 42 | 33 | 75 |
| 40 to 44 | 46 | 41 | 87 |
| 45 to 49 | 45 | 46 | 91 |
| 50 to 54 | 81 | 69 | 150 |
| 55 to 59 | 55 | 68 | 123 |
| 60 to 64 | 52 | 55 | 107 |
| 65 to 69 | 44 | 41 | 85 |
| 70 to 74 | 44 | 41 | 85 |
| 75 to 79 | 23 | 22 | 45 |
| 80 to 84 | 22 | 26 | 48 |
| 85+ | 7 | 18 | 25 |
Irion County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.
| Race | Male | Female | Total |
| WAC | 791 | 736 | 1,527 |
| WA | 774 | 721 | 1,495 |
| NH | 583 | 558 | 1,141 |
| NHWAC | 562 | 540 | 1,102 |
| NHWA | 549 | 529 | 1,078 |
| H | 233 | 200 | 433 |
| HWAC | 229 | 196 | 425 |
| HWA | 225 | 192 | 417 |
| BAC | 21 | 19 | 40 |
| TOM | 20 | 16 | 36 |
| NHBAC | 20 | 14 | 34 |
| NHTOM | 16 | 12 | 28 |
| IAC | 15 | 13 | 28 |
| BA | 13 | 11 | 24 |
| NHBA | 12 | 8 | 20 |
| NHIAC | 9 | 11 | 20 |
| AAC | 7 | 7 | 14 |
| IA | 6 | 7 | 13 |
| NHAAC | 6 | 6 | 12 |
| NHIA | 3 | 6 | 9 |
| HIAC | 6 | 2 | 8 |
| HTOM | 4 | 4 | 8 |
| AA | 3 | 3 | 6 |
| NHAA | 3 | 3 | 6 |
| HBAC | 1 | 5 | 6 |
| HIA | 3 | 1 | 4 |
| HBA | 1 | 3 | 4 |
| NAC | 2 | 0 | 2 |
| NHNAC | 2 | 0 | 2 |
| HAAC | 1 | 1 | 2 |
| HNAC | 0 | 0 | 0 |
| NA | 0 | 0 | 0 |
| NHNA | 0 | 0 | 0 |
| HAA | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
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[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016
[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016
[4] County area, latitude longitude data, retrieved 02/23/2016
[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016
*Tom Green Texas Notes
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