Merrimack County Population 2017

Merrimack County's estimated population is 148,582 with a growth rate of 0.33% in the past year according to the most recent United States census data. Merrimack County is the 3rd largest county in New Hampshire.

Year Population Growth Growth Rate
2016148,5824880.33%
2015148,0943800.26%
2014147,7144710.32%
2013147,2432990.20%
2012146,9442110.14%
2011146,7333000.20%
2010146,43326,42822.02%
1990120,00521,70322.08%
198098,30217,37721.47%
197080,92513,14019.38%
196067,7854,7637.56%
195063,0222,3123.81%
194060,7104,5588.12%
193056,1524,3828.46%
192051,770-1,565-2.93%
191053,3359051.73%
190052,4302,9956.06%
189049,4353,1356.77%
188046,3004,1499.84%
187042,1517431.79%
186041,4081,0712.66%
185040,3374,08411.27%
184036,2531,6394.74%
183034,6140.00%

Merrimack County Population Growth

Population Data via

Merrimack County Race Data

Race Population Percentage
White140,48594.55%
Asian3,0602.06%
Two or More Races2,0791.40%
Black or African American2,0121.35%
American Indian and Alaska Native4090.28%
Native Hawaiian and Other Pacific Islander490.03%

Merrimack County Population Pyramid

0k1k2k3k4k5k6kMerrimack County Male Population0k1k2k3k4k5k6kMerrimack County Female Population

Population of Cities in Merrimack County

City 2010 Census 2016 Estimated Growth Growth Rate
Concord42698429042060.48%
Franklin84738447-26-0.31%
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