Hillsborough County Population 2017

Hillsborough County's estimated population is 407,761 with a growth rate of 0.43% in the past year according to the most recent United States census data. Hillsborough County is the 1st largest county in New Hampshire.

Year Population Growth Growth Rate
2016407,7611,7460.43%
2015406,0151,0120.25%
2014405,0031,6950.42%
2013403,3086570.16%
2012402,6518770.22%
2011401,7747350.18%
2010401,03964,96619.33%
1990336,07359,46521.50%
1980276,60852,66723.52%
1970223,94145,78025.70%
1960178,16121,17413.49%
1950156,98712,0998.35%
1940144,8884,7233.37%
1930140,1654,6533.43%
1920135,5129,4407.49%
1910126,07213,43211.92%
1900112,64019,39320.80%
189093,24717,61323.29%
188075,63411,39617.74%
187064,2382,0983.38%
186062,1404,6628.11%
185057,47814,98435.26%
184042,4944,77012.64%
183037,724-16,160-29.99%
182053,8844,6359.41%
181049,2495,35012.19%
180043,89911,02833.55%
179032,8710.00%

Hillsborough County Population Growth

Population Data via

Hillsborough County Race Data

Race Population Percentage
White370,53390.87%
Asian15,8323.88%
Black or African American10,4742.57%
Two or More Races7,6371.87%
American Indian and Alaska Native1,2620.31%
Native Hawaiian and Other Pacific Islander2770.07%

Hillsborough County Population Pyramid

0k5k10k15kHillsborough County Male Population0k5k10k15kHillsborough County Female Population

Population of Cities in Hillsborough County

City 2010 Census 2016 Estimated Growth Growth Rate
Manchester1095741105069320.85%
Nashua864928788213901.61%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990