Last official estimated population of Guilford County was 489,479 (year 2014)[1]. This was 0.154% of total US population and 4.9% of total North Carolina state population. Area of Guilford County is 657.6 mi² (=1703.2 km²), in this year population density was 744.31 p/mi². If population growth rate would be same as in period 2010-2014 (+0.05%/yr), Guilford County population in 2024 would be 492,172 [0].
Historical population of Guilford County for period 1790-2014 [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
[1790-1800] +2.76 %/yr
[1800-1810] +1.92 %/yr
[1810-1820] +2.42 %/yr
[1820-1830] +2.59 %/yr
[1830-1840] +0.23 %/yr
[1840-1850] +0.3 %/yr
[1850-1860] +0.15 %/yr
[1860-1870] +0.81 %/yr
[1870-1880] +0.82 %/yr
[1880-1890] +1.75 %/yr
[1890-1900] +3.37 %/yr
[1900-1910] +4.47 %/yr
[1910-1920] +2.74 %/yr
[1920-1930] +5.31 %/yr
[1930-1940] +1.47 %/yr
[1940-1950] +2.19 %/yr
[1950-1960] +2.58 %/yr
[1960-1970] +1.59 %/yr
[1970-1980] +0.95 %/yr
[1980-1990] +0.92 %/yr
[1990-2000] +1.94 %/yr
[2000-2005] +1.27 %/yr
[2005-2010] +1.73 %/yr
[2010-2014] +0.05 %/yr
Looking for settlements in Guilford County? Visit this page: Settlements in Guilford County, NC
Population of Guilford County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 15953 | 15205 | 31,158 |
| 5 to 9 | 16508 | 16028 | 32,536 |
| 10 to 14 | 16915 | 16435 | 33,350 |
| 15 to 19 | 17852 | 18800 | 36,652 |
| 20 to 24 | 19075 | 20111 | 39,186 |
| 25 to 29 | 17200 | 19542 | 36,742 |
| 30 to 34 | 15600 | 17291 | 32,891 |
| 35 to 39 | 14952 | 16775 | 31,727 |
| 40 to 44 | 16595 | 18110 | 34,705 |
| 45 to 49 | 16548 | 17965 | 34,513 |
| 50 to 54 | 17077 | 18594 | 35,671 |
| 55 to 59 | 15879 | 17497 | 33,376 |
| 60 to 64 | 13376 | 15593 | 28,969 |
| 65 to 69 | 10991 | 12958 | 23,949 |
| 70 to 74 | 7350 | 9227 | 16,577 |
| 75 to 79 | 5063 | 6815 | 11,878 |
| 80 to 84 | 3448 | 5311 | 8,759 |
| 85+ | 3102 | 6378 | 9,480 |
Guilford 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 | 223221 | 249759 | 472,980 |
| WAC | 149316 | 159026 | 308,342 |
| WA | 144834 | 154211 | 299,045 |
| NHWAC | 132348 | 143605 | 275,953 |
| NHWA | 128492 | 139480 | 267,972 |
| BAC | 83164 | 98563 | 181,727 |
| NHBAC | 80626 | 95730 | 176,356 |
| BA | 79520 | 94475 | 173,995 |
| NHBA | 77460 | 92195 | 169,655 |
| H | 20263 | 18876 | 39,139 |
| HWAC | 16968 | 15421 | 32,389 |
| HWA | 16342 | 14731 | 31,073 |
| AAC | 13026 | 13271 | 26,297 |
| NHAAC | 12647 | 12906 | 25,553 |
| AA | 11667 | 11847 | 23,514 |
| NHAA | 11433 | 11635 | 23,068 |
| TOM | 5424 | 5939 | 11,363 |
| NHTOM | 4676 | 5117 | 9,793 |
| IAC | 3640 | 4085 | 7,725 |
| NHIAC | 2500 | 2983 | 5,483 |
| HBAC | 2538 | 2833 | 5,371 |
| HBA | 2060 | 2280 | 4,340 |
| IA | 1818 | 1937 | 3,755 |
| HIAC | 1140 | 1102 | 2,242 |
| NHIA | 1011 | 1198 | 2,209 |
| HTOM | 748 | 822 | 1,570 |
| HIA | 807 | 739 | 1,546 |
| NAC | 433 | 471 | 904 |
| HAAC | 379 | 365 | 744 |
| NHNAC | 313 | 328 | 641 |
| NA | 221 | 226 | 447 |
| HAA | 234 | 212 | 446 |
| NHNA | 149 | 134 | 283 |
| HNAC | 120 | 143 | 263 |
| HNA | 72 | 92 | 164 |
• Forsyth County population
26.4 mi, 
278°
• Davidson County
30.5 mi, 
230°
• Alamance County
21.8 mi, 
96°
• Randolph County
25.5 mi, 
182°
• Orange County
37.4 mi, 
91°
• Rockingham County
20.9 mi, 
0°
• Chatham County
39.6 mi, 
130°
• Henry County
38.9 mi, 
344°
• Stokes County
34.4 mi, 
309°
• Caswell County
33.2 mi, 
48°
[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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