Last official estimated population of Adams County was 34,435 (year 2014)[1]. This was 0.011% of total US population and 0.5% of total Indiana state population. Area of Adams County is 340.0 mi² (=880.5 km²), in this year population density was 101.29 p/mi². If population growth rate would be same as in period 2010-2014 (+0.03%/yr), Adams County population in 2026 would be 34,579 [0].
Historical population of Adams County for period 1840-2014 [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
[1840-1850] +9.86 %/yr
[1850-1860] +4.79 %/yr
[1860-1870] +2.09 %/yr
[1870-1880] +3.06 %/yr
[1880-1890] +2.75 %/yr
[1890-1900] +0.97 %/yr
[1900-1910] -0.18 %/yr
[1910-1920] -0.63 %/yr
[1920-1930] -0.27 %/yr
[1930-1940] +0.63 %/yr
[1940-1950] +0.52 %/yr
[1950-1960] +0.96 %/yr
[1960-1970] +0.87 %/yr
[1970-1980] +0.98 %/yr
[1980-1990] +0.49 %/yr
[1990-2000] +0.78 %/yr
[2000-2005] +0.16 %/yr
[2005-2010] +0.31 %/yr
[2010-2014] +0.03 %/yr
Looking for settlements in Adams County? Visit this page: Settlements in Adams County, IN
Population of Adams County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1712 | 1564 | 3,276 |
| 5 to 9 | 1545 | 1530 | 3,075 |
| 10 to 14 | 1415 | 1450 | 2,865 |
| 15 to 19 | 1320 | 1213 | 2,533 |
| 20 to 24 | 1128 | 1017 | 2,145 |
| 25 to 29 | 966 | 953 | 1,919 |
| 30 to 34 | 1027 | 955 | 1,982 |
| 35 to 39 | 946 | 940 | 1,886 |
| 40 to 44 | 976 | 941 | 1,917 |
| 45 to 49 | 1016 | 971 | 1,987 |
| 50 to 54 | 1058 | 1085 | 2,143 |
| 55 to 59 | 1034 | 1110 | 2,144 |
| 60 to 64 | 947 | 945 | 1,892 |
| 65 to 69 | 713 | 782 | 1,495 |
| 70 to 74 | 502 | 597 | 1,099 |
| 75 to 79 | 377 | 499 | 876 |
| 80 to 84 | 273 | 379 | 652 |
| 85+ | 277 | 628 | 905 |
Adams 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 | 17028 | 17382 | 34,410 |
| WA | 16903 | 17269 | 34,172 |
| NH | 16481 | 16793 | 33,274 |
| NHWAC | 16313 | 16645 | 32,958 |
| NHWA | 16197 | 16546 | 32,743 |
| H | 751 | 766 | 1,517 |
| HWAC | 715 | 737 | 1,452 |
| HWA | 706 | 723 | 1,429 |
| BAC | 164 | 133 | 297 |
| NHBAC | 150 | 115 | 265 |
| TOM | 130 | 115 | 245 |
| NHTOM | 120 | 101 | 221 |
| IAC | 108 | 82 | 190 |
| BA | 88 | 65 | 153 |
| NHIAC | 78 | 59 | 137 |
| NHBA | 81 | 54 | 135 |
| AAC | 58 | 72 | 130 |
| NHAAC | 57 | 70 | 127 |
| IA | 67 | 45 | 112 |
| AA | 41 | 60 | 101 |
| NHAA | 40 | 60 | 100 |
| NHIA | 41 | 27 | 68 |
| HIAC | 30 | 23 | 53 |
| HIA | 26 | 18 | 44 |
| HBAC | 14 | 18 | 32 |
| HTOM | 10 | 14 | 24 |
| HBA | 7 | 11 | 18 |
| NAC | 6 | 7 | 13 |
| NHNAC | 5 | 7 | 12 |
| NA | 3 | 5 | 8 |
| NHNA | 2 | 5 | 7 |
| HAAC | 1 | 2 | 3 |
| HNAC | 1 | 0 | 1 |
| HAA | 1 | 0 | 1 |
| HNA | 1 | 0 | 1 |
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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
*Allen, Randolph Indiana Notes
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