Last official estimated population of Warren County was 8,502 (year 2014)[1]. This was 0.003% of total US population and 0.1% of total Indiana state population. Area of Warren County is 366.4 mi² (=949 km²), in this year population density was 23.20 p/mi². If population growth rate would be same as in period 2010-2014 (-0.02%/yr), Warren County population in 2026 would be 8,484 [0].
Historical population of Warren County for period 1830-2014 [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
[1830-1840] +7.05 %/yr
[1840-1850] +2.71 %/yr
[1850-1860] +3.13 %/yr
[1860-1870] +0.15 %/yr
[1870-1880] +1.2 %/yr
[1880-1890] -0.48 %/yr
[1890-1900] +0.37 %/yr
[1900-1910] -0.42 %/yr
[1910-1920] -1.16 %/yr
[1920-1930] -0.56 %/yr
[1930-1940] -0.12 %/yr
[1940-1950] -0.59 %/yr
[1950-1960] +0.01 %/yr
[1960-1970] +0.19 %/yr
[1970-1980] +0.31 %/yr
[1980-1990] -0.93 %/yr
[1990-2000] +0.29 %/yr
[2000-2005] +0.5 %/yr
[2005-2010] -0.28 %/yr
[2010-2014] -0.02 %/yr
Looking for settlements in Warren County? Visit this page: Settlements in Warren County, IN
Population of Warren County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 238 | 242 | 480 |
| 5 to 9 | 255 | 236 | 491 |
| 10 to 14 | 287 | 277 | 564 |
| 15 to 19 | 278 | 230 | 508 |
| 20 to 24 | 229 | 238 | 467 |
| 25 to 29 | 210 | 205 | 415 |
| 30 to 34 | 201 | 215 | 416 |
| 35 to 39 | 207 | 222 | 429 |
| 40 to 44 | 273 | 253 | 526 |
| 45 to 49 | 295 | 304 | 599 |
| 50 to 54 | 368 | 312 | 680 |
| 55 to 59 | 327 | 318 | 645 |
| 60 to 64 | 286 | 287 | 573 |
| 65 to 69 | 228 | 238 | 466 |
| 70 to 74 | 168 | 229 | 397 |
| 75 to 79 | 153 | 155 | 308 |
| 80 to 84 | 81 | 100 | 181 |
| 85+ | 70 | 137 | 207 |
Warren 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 | 4117 | 4146 | 8,263 |
| NH | 4096 | 4142 | 8,238 |
| WA | 4095 | 4116 | 8,211 |
| NHWAC | 4060 | 4092 | 8,152 |
| NHWA | 4039 | 4063 | 8,102 |
| H | 58 | 56 | 114 |
| HWAC | 57 | 54 | 111 |
| HWA | 56 | 53 | 109 |
| TOM | 22 | 32 | 54 |
| NHTOM | 21 | 31 | 52 |
| AAC | 18 | 34 | 52 |
| NHAAC | 17 | 34 | 51 |
| IAC | 25 | 19 | 44 |
| BAC | 14 | 29 | 43 |
| NHBAC | 14 | 28 | 42 |
| NHIAC | 24 | 17 | 41 |
| AA | 17 | 24 | 41 |
| NHAA | 16 | 24 | 40 |
| BA | 7 | 14 | 21 |
| NHBA | 7 | 13 | 20 |
| IA | 10 | 9 | 19 |
| NHIA | 10 | 8 | 18 |
| NAC | 3 | 4 | 7 |
| NHNAC | 3 | 4 | 7 |
| NA | 3 | 3 | 6 |
| NHNA | 3 | 3 | 6 |
| HIAC | 1 | 2 | 3 |
| HTOM | 1 | 1 | 2 |
| HAAC | 1 | 0 | 1 |
| HAA | 1 | 0 | 1 |
| HBAC | 0 | 1 | 1 |
| HBA | 0 | 1 | 1 |
| HIA | 0 | 1 | 1 |
| HNAC | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
• Tippecanoe County population
25.5 mi, 
84°
• Vermilion County
21.8 mi, 
238°
• Montgomery County
33.4 mi, 
130°
• Iroquois County
36.4 mi, 
318°
• White County
38.4 mi, 
44°
• Parke County
41.1 mi, 
166°
• Fountain County
17.6 mi, 
155°
• Vermillion County
34.7 mi, 
187°
• Newton County
42.1 mi, 
358°
• Benton County
17.5 mi, 
10°
[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
*Wabash (old) Indiana Notes
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