Last official estimated population of Richardson County was 8,343 (year 2014)[1]. This was 0.003% of total US population and 0.4% of total Nebraska state population. Area of Richardson County is 554.6 mi² (=1436.3 km²), in this year population density was 15.04 p/mi². If population growth rate would be same as in period 2010-2014 (-0.06%/yr), Richardson County population in 2025 would be 8,288 [0].
Historical population of Richardson 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] +13.18 %/yr
[1870-1880] +4.39 %/yr
[1880-1890] +1.58 %/yr
[1890-1900] +1.1 %/yr
[1900-1910] -1.16 %/yr
[1910-1920] +0.84 %/yr
[1920-1930] +0.44 %/yr
[1930-1940] -0.33 %/yr
[1940-1950] -1.26 %/yr
[1950-1960] -1.93 %/yr
[1960-1970] -1.24 %/yr
[1970-1980] -0.81 %/yr
[1980-1990] -1.29 %/yr
[1990-2000] -0.42 %/yr
[2000-2005] -1.59 %/yr
[2005-2010] -1.01 %/yr
[2010-2014] -0.06 %/yr
Looking for settlements in Richardson County? Visit this page: Settlements in Richardson County, NE
Population of Richardson County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 215 | 208 | 423 |
| 5 to 9 | 238 | 208 | 446 |
| 10 to 14 | 281 | 226 | 507 |
| 15 to 19 | 240 | 236 | 476 |
| 20 to 24 | 202 | 197 | 399 |
| 25 to 29 | 183 | 189 | 372 |
| 30 to 34 | 204 | 196 | 400 |
| 35 to 39 | 205 | 167 | 372 |
| 40 to 44 | 200 | 222 | 422 |
| 45 to 49 | 242 | 231 | 473 |
| 50 to 54 | 332 | 325 | 657 |
| 55 to 59 | 321 | 336 | 657 |
| 60 to 64 | 308 | 285 | 593 |
| 65 to 69 | 240 | 256 | 496 |
| 70 to 74 | 210 | 214 | 424 |
| 75 to 79 | 168 | 180 | 348 |
| 80 to 84 | 116 | 168 | 284 |
| 85+ | 127 | 252 | 379 |
Richardson 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 |
| NH | 3951 | 4026 | 7,977 |
| WAC | 3857 | 3932 | 7,789 |
| NHWAC | 3796 | 3879 | 7,675 |
| WA | 3773 | 3851 | 7,624 |
| NHWA | 3717 | 3801 | 7,518 |
| IAC | 189 | 184 | 373 |
| NHIAC | 172 | 167 | 339 |
| IA | 134 | 132 | 266 |
| NHIA | 119 | 116 | 235 |
| TOM | 89 | 84 | 173 |
| NHTOM | 84 | 81 | 165 |
| H | 81 | 70 | 151 |
| HWAC | 61 | 53 | 114 |
| HWA | 56 | 50 | 106 |
| BAC | 43 | 28 | 71 |
| AAC | 30 | 36 | 66 |
| NHAAC | 29 | 35 | 64 |
| NHBAC | 36 | 26 | 62 |
| NHAA | 15 | 21 | 36 |
| AA | 15 | 21 | 36 |
| HIAC | 17 | 17 | 34 |
| HIA | 15 | 16 | 31 |
| BA | 21 | 7 | 28 |
| NHBA | 16 | 6 | 22 |
| HBAC | 7 | 2 | 9 |
| HTOM | 5 | 3 | 8 |
| HBA | 5 | 1 | 6 |
| NAC | 4 | 2 | 6 |
| NHNAC | 4 | 2 | 6 |
| HAAC | 1 | 1 | 2 |
| NHNA | 0 | 1 | 1 |
| NA | 0 | 1 | 1 |
| HNAC | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
| HAA | 0 | 0 | 0 |
• Otoe County population
41.6 mi, 
328°
• Nemaha County
27.6 mi, 
213°
• Brown County
22 mi, 
159°
• Doniphan County
38.1 mi, 
127°
• Fremont County
43.2 mi, 
8°
• Nemaha County
19.4 mi, 
338°
• Atchison County
25.9 mi, 
34°
• Johnson County
34.4 mi, 
303°
• Holt County
26.5 mi, 
94°
• Pawnee County
27.8 mi, 
272°
[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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