Last official estimated population of Indian River County was 138,235 (year 2014)[1]. This was 0.043% of total US population and 0.7% of total Florida state population. Area of Indian River County is 617.0 mi² (=1597.9 km²), in this year population density was 224.06 p/mi². If population growth rate would be same as in period 2010-2014 (+0.04%/yr), Indian River County population in 2026 would be 138,858 [0].
Historical population of Indian River County for period 1930-2014 [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

[1930-1940] +2.91 %/yr
[1940-1950] +2.86 %/yr
[1950-1960] +7.86 %/yr
[1960-1970] +3.58 %/yr
[1970-1980] +5.23 %/yr
[1980-1990] +4.18 %/yr
[1990-2000] +2.27 %/yr
[2000-2005] +2.54 %/yr
[2005-2010] +1.53 %/yr
[2010-2014] +0.04 %/yr
Looking for settlements in Indian River County? Visit this page: Settlements in Indian River County, FL
Population of Indian River County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 3172 | 3154 | 6,326 |
| 5 to 9 | 3484 | 3471 | 6,955 |
| 10 to 14 | 3720 | 3553 | 7,273 |
| 15 to 19 | 4258 | 3534 | 7,792 |
| 20 to 24 | 3576 | 3279 | 6,855 |
| 25 to 29 | 3351 | 3274 | 6,625 |
| 30 to 34 | 3194 | 3239 | 6,433 |
| 35 to 39 | 2963 | 3173 | 6,136 |
| 40 to 44 | 3433 | 3775 | 7,208 |
| 45 to 49 | 3979 | 4317 | 8,296 |
| 50 to 54 | 4679 | 5209 | 9,888 |
| 55 to 59 | 4844 | 5689 | 10,533 |
| 60 to 64 | 4961 | 5990 | 10,951 |
| 65 to 69 | 5473 | 6370 | 11,843 |
| 70 to 74 | 4854 | 5403 | 10,257 |
| 75 to 79 | 3789 | 4388 | 8,177 |
| 80 to 84 | 3011 | 3450 | 6,461 |
| 85+ | 2734 | 4012 | 6,746 |
Indian River 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 | 61417 | 66716 | 128,133 |
| NH | 60597 | 66923 | 127,520 |
| WA | 60577 | 65728 | 126,305 |
| NHWAC | 53103 | 58837 | 111,940 |
| NHWA | 52398 | 57997 | 110,395 |
| H | 8878 | 8357 | 17,235 |
| HWAC | 8314 | 7879 | 16,193 |
| HWA | 8179 | 7731 | 15,910 |
| BAC | 7008 | 7559 | 14,567 |
| NHBAC | 6580 | 7195 | 13,775 |
| BA | 6542 | 7021 | 13,563 |
| NHBA | 6201 | 6743 | 12,944 |
| AAC | 1302 | 1324 | 2,626 |
| NHAAC | 1242 | 1262 | 2,504 |
| AA | 1069 | 1071 | 2,140 |
| NHAA | 1033 | 1033 | 2,066 |
| TOM | 934 | 1086 | 2,020 |
| NHTOM | 787 | 930 | 1,717 |
| IAC | 604 | 678 | 1,282 |
| NHIAC | 399 | 485 | 884 |
| HBAC | 428 | 364 | 792 |
| IA | 319 | 339 | 658 |
| HBA | 341 | 278 | 619 |
| HIAC | 205 | 193 | 398 |
| NHIA | 155 | 194 | 349 |
| HIA | 164 | 145 | 309 |
| HTOM | 147 | 156 | 303 |
| NAC | 103 | 113 | 216 |
| NHNAC | 80 | 95 | 175 |
| HAAC | 60 | 62 | 122 |
| HAA | 36 | 38 | 74 |
| NA | 34 | 35 | 69 |
| NHNA | 23 | 26 | 49 |
| HNAC | 23 | 18 | 41 |
| HNA | 11 | 9 | 20 |
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42.4 mi,
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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
*St. Lucie Florida Notes
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