Last official estimated population of Stephens County was 45,089 (year 2014)[1]. This was 0.014% of total US population and 1.2% of total Oklahoma state population. Area of Stephens County is 891.4 mi² (=2308.6 km²), in this year population density was 50.58 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Stephens County population in 2026 would be 45,212 [0].
Historical population of Stephens County for period 1880-2014 [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

[1880-1890] NAN %/yr
[1890-1900] +INF %/yr
[1900-1910] +1 %/yr
[1910-1920] +1.05 %/yr
[1920-1930] +2.96 %/yr
[1930-1940] -0.62 %/yr
[1940-1950] +0.92 %/yr
[1950-1960] +1.09 %/yr
[1960-1970] -0.56 %/yr
[1970-1980] +1.92 %/yr
[1980-1990] -0.26 %/yr
[1990-2000] +0.21 %/yr
[2000-2005] +0.05 %/yr
[2005-2010] +0.79 %/yr
[2010-2014] +0.02 %/yr
Looking for settlements in Stephens County? Visit this page: Settlements in Stephens County, OK
Population of Stephens County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1431 | 1434 | 2,865 |
| 5 to 9 | 1481 | 1453 | 2,934 |
| 10 to 14 | 1497 | 1478 | 2,975 |
| 15 to 19 | 1406 | 1382 | 2,788 |
| 20 to 24 | 1303 | 1282 | 2,585 |
| 25 to 29 | 1299 | 1291 | 2,590 |
| 30 to 34 | 1380 | 1386 | 2,766 |
| 35 to 39 | 1283 | 1293 | 2,576 |
| 40 to 44 | 1248 | 1271 | 2,519 |
| 45 to 49 | 1232 | 1286 | 2,518 |
| 50 to 54 | 1572 | 1599 | 3,171 |
| 55 to 59 | 1594 | 1656 | 3,250 |
| 60 to 64 | 1421 | 1535 | 2,956 |
| 65 to 69 | 1111 | 1267 | 2,378 |
| 70 to 74 | 869 | 1031 | 1,900 |
| 75 to 79 | 683 | 852 | 1,535 |
| 80 to 84 | 476 | 665 | 1,141 |
| 85+ | 380 | 666 | 1,046 |
Stephens 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 |
| NH | 20045 | 21311 | 41,356 |
| WAC | 19855 | 20777 | 40,632 |
| WA | 18881 | 19704 | 38,585 |
| NHWAC | 18402 | 19430 | 37,832 |
| NHWA | 17520 | 18476 | 35,996 |
| IAC | 1991 | 2255 | 4,246 |
| NHIAC | 1804 | 2041 | 3,845 |
| H | 1621 | 1516 | 3,137 |
| HWAC | 1453 | 1347 | 2,800 |
| HWA | 1361 | 1228 | 2,589 |
| IA | 1170 | 1339 | 2,509 |
| NHIA | 1064 | 1234 | 2,298 |
| TOM | 1025 | 1132 | 2,157 |
| NHTOM | 924 | 1002 | 1,926 |
| BAC | 689 | 701 | 1,390 |
| NHBAC | 626 | 639 | 1,265 |
| BA | 473 | 473 | 946 |
| NHBA | 431 | 437 | 868 |
| AAC | 179 | 241 | 420 |
| HIAC | 187 | 214 | 401 |
| NHAAC | 159 | 219 | 378 |
| AA | 106 | 161 | 267 |
| NHAA | 97 | 150 | 247 |
| HTOM | 101 | 130 | 231 |
| HIA | 106 | 105 | 211 |
| HBAC | 63 | 62 | 125 |
| HBA | 42 | 36 | 78 |
| NAC | 21 | 33 | 54 |
| HAAC | 20 | 22 | 42 |
| NHNAC | 17 | 25 | 42 |
| NA | 11 | 18 | 29 |
| NHNA | 9 | 12 | 21 |
| HAA | 9 | 11 | 20 |
| HNAC | 4 | 8 | 12 |
| HNA | 2 | 6 | 8 |
• Comanche County population
37.5 mi,
289°
• Grady County
37.3 mi,
357°
• Carter County
36 mi,
116°
• McClain County
43.6 mi,
31°
• Garvin County
34.7 mi,
62°
• Murray County
44.7 mi,
89°
• Clay County
52.2 mi,
203°
• Love County
50.2 mi,
136°
• Jefferson County
26 mi,
177°
• Cotton County
32.3 mi,
245°
[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
See note 12 Oklahoma Notes
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