Last official estimated population of Barton County was 27,684 (year 2014)[1]. This was 0.009% of total US population and 1% of total Kansas state population. Area of Barton County is 900.6 mi² (=2332.6 km²), in this year population density was 30.74 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Barton County population in 2026 would be 27,714 [0].
Historical population of Barton County for period 1870-2014 [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

[1870-1880] +135.1 %/yr
[1880-1890] +2.47 %/yr
[1890-1900] +0.46 %/yr
[1900-1910] +2.63 %/yr
[1910-1920] +0.3 %/yr
[1920-1930] +0.71 %/yr
[1930-1940] +2.38 %/yr
[1940-1950] +1.8 %/yr
[1950-1960] +0.79 %/yr
[1960-1970] -0.54 %/yr
[1970-1980] +0.22 %/yr
[1980-1990] -0.64 %/yr
[1990-2000] -0.41 %/yr
[2000-2005] -0.48 %/yr
[2005-2010] +0.1 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Barton County? Visit this page: Settlements in Barton County, KS
Population of Barton County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 951 | 945 | 1,896 |
| 5 to 9 | 950 | 954 | 1,904 |
| 10 to 14 | 943 | 866 | 1,809 |
| 15 to 19 | 981 | 898 | 1,879 |
| 20 to 24 | 913 | 837 | 1,750 |
| 25 to 29 | 801 | 762 | 1,563 |
| 30 to 34 | 878 | 833 | 1,711 |
| 35 to 39 | 761 | 662 | 1,423 |
| 40 to 44 | 646 | 717 | 1,363 |
| 45 to 49 | 726 | 760 | 1,486 |
| 50 to 54 | 992 | 1038 | 2,030 |
| 55 to 59 | 1026 | 1051 | 2,077 |
| 60 to 64 | 876 | 876 | 1,752 |
| 65 to 69 | 677 | 653 | 1,330 |
| 70 to 74 | 491 | 539 | 1,030 |
| 75 to 79 | 376 | 473 | 849 |
| 80 to 84 | 285 | 448 | 733 |
| 85+ | 280 | 520 | 800 |
Barton 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 | 13105 | 13381 | 26,486 |
| WA | 12898 | 13196 | 26,094 |
| NH | 11493 | 11978 | 23,471 |
| NHWAC | 11188 | 11652 | 22,840 |
| NHWA | 11017 | 11491 | 22,508 |
| H | 2060 | 1854 | 3,914 |
| HWAC | 1917 | 1729 | 3,646 |
| HWA | 1881 | 1705 | 3,586 |
| BAC | 367 | 320 | 687 |
| NHBAC | 283 | 247 | 530 |
| BA | 274 | 229 | 503 |
| IAC | 236 | 221 | 457 |
| TOM | 214 | 200 | 414 |
| NHBA | 206 | 169 | 375 |
| NHTOM | 175 | 175 | 350 |
| NHIAC | 147 | 154 | 301 |
| IA | 124 | 123 | 247 |
| HBAC | 84 | 73 | 157 |
| HIAC | 89 | 67 | 156 |
| AAC | 53 | 98 | 151 |
| NHAAC | 46 | 92 | 138 |
| HBA | 68 | 60 | 128 |
| NHIA | 57 | 69 | 126 |
| HIA | 67 | 54 | 121 |
| AA | 33 | 72 | 105 |
| NHAA | 31 | 67 | 98 |
| HTOM | 39 | 25 | 64 |
| NAC | 12 | 20 | 32 |
| NHNAC | 9 | 15 | 24 |
| NA | 10 | 12 | 22 |
| NHNA | 7 | 7 | 14 |
| HAAC | 7 | 6 | 13 |
| HNAC | 3 | 5 | 8 |
| HNA | 3 | 5 | 8 |
| HAA | 2 | 5 | 7 |
• Reno County population
52.5 mi,
134°
• Ellis County
42.1 mi,
315°
• Rice County
32 mi,
106°
• Pawnee County
32.7 mi,
230°
• Russell County
30 mi,
359°
• Ellsworth County
34 mi,
63°
• Stafford County
30.9 mi,
175°
• Rush County
29.4 mi,
275°
• Lincoln County
49.2 mi,
37°
• Edwards County
50.5 mi,
215°
[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
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