Last official estimated population of Hamilton County was 9,127 (year 2014)[1]. This was 0.003% of total US population and 0.5% of total Nebraska state population. Area of Hamilton County is 544.7 mi² (=1410.9 km²), in this year population density was 16.75 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Hamilton County population in 2025 would be 9,135 [0].
Historical population of Hamilton County for period 1870-2014 [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

[1870-1880] +51.47 %/yr
[1880-1890] +5.48 %/yr
[1890-1900] -0.56 %/yr
[1900-1910] +0.1 %/yr
[1910-1920] -0.17 %/yr
[1920-1930] -0.85 %/yr
[1930-1940] -1.95 %/yr
[1940-1950] -1.28 %/yr
[1950-1960] -0.07 %/yr
[1960-1970] +0.17 %/yr
[1970-1980] +0.48 %/yr
[1980-1990] -0.48 %/yr
[1990-2000] +0.6 %/yr
[2000-2005] -0.3 %/yr
[2005-2010] -0.31 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Hamilton County? Visit this page: Settlements in Hamilton County, NE
Population of Hamilton County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 284 | 242 | 526 |
| 5 to 9 | 332 | 261 | 593 |
| 10 to 14 | 339 | 334 | 673 |
| 15 to 19 | 346 | 322 | 668 |
| 20 to 24 | 267 | 230 | 497 |
| 25 to 29 | 224 | 205 | 429 |
| 30 to 34 | 257 | 263 | 520 |
| 35 to 39 | 243 | 216 | 459 |
| 40 to 44 | 257 | 277 | 534 |
| 45 to 49 | 298 | 288 | 586 |
| 50 to 54 | 348 | 341 | 689 |
| 55 to 59 | 345 | 365 | 710 |
| 60 to 64 | 318 | 310 | 628 |
| 65 to 69 | 240 | 240 | 480 |
| 70 to 74 | 159 | 205 | 364 |
| 75 to 79 | 154 | 143 | 297 |
| 80 to 84 | 90 | 127 | 217 |
| 85+ | 91 | 174 | 265 |
Hamilton 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 | 4541 | 4501 | 9,042 |
| WA | 4498 | 4462 | 8,960 |
| NH | 4449 | 4417 | 8,866 |
| NHWAC | 4404 | 4383 | 8,787 |
| NHWA | 4365 | 4347 | 8,712 |
| H | 143 | 126 | 269 |
| HWAC | 137 | 118 | 255 |
| HWA | 133 | 115 | 248 |
| TOM | 47 | 41 | 88 |
| NHTOM | 43 | 38 | 81 |
| BAC | 46 | 31 | 77 |
| NHBAC | 45 | 30 | 75 |
| IAC | 38 | 34 | 72 |
| NHIAC | 31 | 26 | 57 |
| BA | 25 | 8 | 33 |
| AAC | 14 | 18 | 32 |
| NHBA | 24 | 7 | 31 |
| IA | 14 | 15 | 29 |
| NHAAC | 12 | 16 | 28 |
| AA | 8 | 15 | 23 |
| NHIA | 11 | 10 | 21 |
| NHAA | 6 | 13 | 19 |
| HIAC | 7 | 8 | 15 |
| HIA | 3 | 5 | 8 |
| HTOM | 4 | 3 | 7 |
| HAA | 2 | 2 | 4 |
| HAAC | 2 | 2 | 4 |
| NAC | 1 | 2 | 3 |
| NHNAC | 1 | 2 | 3 |
| HBAC | 1 | 1 | 2 |
| HBA | 1 | 1 | 2 |
| NA | 0 | 2 | 2 |
| NHNA | 0 | 2 | 2 |
| HNAC | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
• Hall County population
25.1 mi,
268°
• Adams County
34.9 mi,
225°
• Seward County
46.1 mi,
90°
• York County
22.2 mi,
89°
• Merrick County
20.5 mi,
358°
• Clay County
24.2 mi,
183°
• Howard County
34.9 mi,
312°
• Fillmore County
32.8 mi,
137°
• Polk County
32.1 mi,
47°
• Nance County
36.6 mi,
2°
[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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