Last official estimated population of Nemaha County was 7,247 (year 2014)[1]. This was 0.002% of total US population and 0.4% of total Nebraska state population. Area of Nemaha County is 409.6 mi² (=1060.9 km²), in this year population density was 17.69 p/mi². If population growth rate would be same as in period 2010-2014 (-0%/yr), Nemaha County population in 2026 would be 7,244 [0].
Historical population of Nemaha 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] +3.25 %/yr
[1880-1890] +2.15 %/yr
[1890-1900] +1.46 %/yr
[1900-1910] -1.32 %/yr
[1910-1920] -0.43 %/yr
[1920-1930] -0.15 %/yr
[1930-1940] +0.34 %/yr
[1940-1950] -1.51 %/yr
[1950-1960] -1.86 %/yr
[1960-1970] -0.14 %/yr
[1970-1980] -0.7 %/yr
[1980-1990] -0.47 %/yr
[1990-2000] -0.51 %/yr
[2000-2005] -0.88 %/yr
[2005-2010] -0.01 %/yr
[2010-2014] -0 %/yr
Looking for settlements in Nemaha County? Visit this page: Settlements in Nemaha County, NE
Population of Nemaha County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 216 | 220 | 436 |
| 5 to 9 | 226 | 218 | 444 |
| 10 to 14 | 190 | 222 | 412 |
| 15 to 19 | 272 | 312 | 584 |
| 20 to 24 | 308 | 273 | 581 |
| 25 to 29 | 247 | 191 | 438 |
| 30 to 34 | 233 | 214 | 447 |
| 35 to 39 | 176 | 155 | 331 |
| 40 to 44 | 152 | 165 | 317 |
| 45 to 49 | 193 | 194 | 387 |
| 50 to 54 | 234 | 263 | 497 |
| 55 to 59 | 244 | 258 | 502 |
| 60 to 64 | 256 | 250 | 506 |
| 65 to 69 | 198 | 181 | 379 |
| 70 to 74 | 141 | 148 | 289 |
| 75 to 79 | 100 | 130 | 230 |
| 80 to 84 | 74 | 104 | 178 |
| 85+ | 74 | 143 | 217 |
Nemaha 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 | 3448 | 3574 | 7,022 |
| NH | 3447 | 3551 | 6,998 |
| WA | 3404 | 3515 | 6,919 |
| NHWAC | 3370 | 3495 | 6,865 |
| NHWA | 3332 | 3444 | 6,776 |
| H | 87 | 90 | 177 |
| HWAC | 78 | 79 | 157 |
| HWA | 72 | 71 | 143 |
| BAC | 76 | 43 | 119 |
| NHBAC | 71 | 37 | 108 |
| TOM | 46 | 61 | 107 |
| NHTOM | 40 | 52 | 92 |
| IAC | 35 | 48 | 83 |
| BA | 57 | 23 | 80 |
| NHBA | 53 | 21 | 74 |
| NHIAC | 25 | 37 | 62 |
| AAC | 21 | 35 | 56 |
| NHAAC | 20 | 32 | 52 |
| AA | 13 | 26 | 39 |
| NHAA | 13 | 23 | 36 |
| IA | 13 | 15 | 28 |
| HIAC | 10 | 11 | 21 |
| NHIA | 8 | 10 | 18 |
| HTOM | 6 | 9 | 15 |
| HBAC | 5 | 6 | 11 |
| HIA | 5 | 5 | 10 |
| HBA | 4 | 2 | 6 |
| NAC | 3 | 3 | 6 |
| NHNAC | 3 | 3 | 6 |
| HAAC | 1 | 3 | 4 |
| HAA | 0 | 3 | 3 |
| NA | 1 | 1 | 2 |
| NHNA | 1 | 1 | 2 |
| HNAC | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
• Cass County population
39.3 mi, 
337°
• Otoe County
22.8 mi, 
320°
• Nemaha County
41.8 mi, 
191°
• Brown County
41.4 mi, 
158°
• Richardson County
19.4 mi, 158°
• Fremont County
28.1 mi, 
28°
• Atchison County
22.1 mi, 
81°
• Johnson County
21.7 mi, 
271°
• Holt County
39 mi, 
120°
• Pawnee County
26.8 mi, 
230°
[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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