Coos County Population 2018

Coos County's estimated population is 31,634 with a growth rate of -0.91% in the past year according to the most recent United States census data. Coos County is the 10th largest county in New Hampshire.

Year Population Growth Growth Rate
201731,634-289-0.91%
201631,923-399-1.23%
201532,322-448-1.37%
201432,7708242.58%
201331,946-27-0.08%
201231,973-528-1.62%
201132,501-473-1.43%
201032,974-1,854-5.32%
199034,828-319-0.91%
198035,1478562.50%
197034,291-2,849-7.67%
196037,1401,2083.36%
195035,932-3,342-8.51%
194039,2743150.81%
193038,9592,8667.94%
192036,0935,34017.36%
191030,7531,2854.36%
190029,4686,25726.96%
189023,2114,63124.92%
188018,5803,64824.43%
187014,9321,77113.46%
186013,1611,30811.04%
185011,8532,00420.35%
18409,8491,46117.42%
18308,3882,83951.16%
18205,5491,55839.04%
18103,9910.00%

Coos County Population Growth

Population Data via

Coos County Race Data

Race Population Percentage
White31,22998.72%
Two or More Races4691.48%
Black or African American2740.87%
Asian1790.57%
American Indian and Alaska Native1400.44%
Native Hawaiian and Other Pacific Islander20.01%

Coos County Population Pyramid

0k0k0k1k1k1k1k1k Male Population0k0k0k1k1k1k1k1k Female Population8580757065605550454035302520151050
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