Last official estimated population of Cass County was 25,254 (year 2014)[1]. This was 0.008% of total US population and 1.3% of total Nebraska state population. Area of Cass County is 565.9 mi² (=1465.7 km²), in this year population density was 44.63 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Cass County population in 2024 would be 25,287 [0].
Historical population of Cass County for period 1860-2014 [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
[1860-1870] +9.24 %/yr
[1870-1880] +7.43 %/yr
[1880-1890] +3.74 %/yr
[1890-1900] -1.21 %/yr
[1900-1910] -0.75 %/yr
[1910-1920] -0.93 %/yr
[1920-1930] -0.19 %/yr
[1930-1940] -0.4 %/yr
[1940-1950] -0.38 %/yr
[1950-1960] +0.86 %/yr
[1960-1970] +0.14 %/yr
[1970-1980] +1.17 %/yr
[1980-1990] +0.49 %/yr
[1990-2000] +1.33 %/yr
[2000-2005] +0.69 %/yr
[2005-2010] +0.06 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Cass County? Visit this page: Settlements in Cass County, NE
Population of Cass County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 801 | 719 | 1,520 |
| 5 to 9 | 899 | 833 | 1,732 |
| 10 to 14 | 982 | 891 | 1,873 |
| 15 to 19 | 908 | 815 | 1,723 |
| 20 to 24 | 668 | 600 | 1,268 |
| 25 to 29 | 583 | 543 | 1,126 |
| 30 to 34 | 754 | 702 | 1,456 |
| 35 to 39 | 734 | 760 | 1,494 |
| 40 to 44 | 817 | 797 | 1,614 |
| 45 to 49 | 820 | 858 | 1,678 |
| 50 to 54 | 1076 | 1064 | 2,140 |
| 55 to 59 | 994 | 998 | 1,992 |
| 60 to 64 | 893 | 901 | 1,794 |
| 65 to 69 | 718 | 693 | 1,411 |
| 70 to 74 | 472 | 495 | 967 |
| 75 to 79 | 337 | 365 | 702 |
| 80 to 84 | 235 | 265 | 500 |
| 85+ | 164 | 370 | 534 |
Cass 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 | 12661 | 12442 | 25,103 |
| WA | 12489 | 12261 | 24,750 |
| NH | 12436 | 12294 | 24,730 |
| NHWAC | 12276 | 12087 | 24,363 |
| NHWA | 12129 | 11933 | 24,062 |
| H | 419 | 375 | 794 |
| HWAC | 385 | 355 | 740 |
| HWA | 360 | 328 | 688 |
| TOM | 176 | 196 | 372 |
| NHTOM | 150 | 168 | 318 |
| IAC | 154 | 147 | 301 |
| BAC | 132 | 133 | 265 |
| NHBAC | 114 | 125 | 239 |
| NHIAC | 118 | 113 | 231 |
| AAC | 78 | 121 | 199 |
| NHAAC | 74 | 115 | 189 |
| BA | 75 | 62 | 137 |
| NHBA | 66 | 62 | 128 |
| IA | 66 | 56 | 122 |
| AA | 40 | 80 | 120 |
| NHAA | 38 | 77 | 115 |
| NHIA | 46 | 40 | 86 |
| HIAC | 36 | 34 | 70 |
| HTOM | 26 | 28 | 54 |
| NAC | 14 | 26 | 40 |
| NHNAC | 12 | 26 | 38 |
| HIA | 20 | 16 | 36 |
| HBAC | 18 | 8 | 26 |
| NA | 9 | 14 | 23 |
| NHNA | 7 | 14 | 21 |
| HAAC | 4 | 6 | 10 |
| HBA | 9 | 0 | 9 |
| HAA | 2 | 3 | 5 |
| HNAC | 2 | 0 | 2 |
| HNA | 2 | 0 | 2 |
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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
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