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Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024 — figures cover the April 1, 2020 estimates base through July 1, 2024
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U.S. Census Bureau · Vintage 2024

Merrimack County, New Hampshire: population and components of change

Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.

Values are printed as the U.S. Census Bureau reports them. A blank source value is printed as “not available”.
Merrimack County
ItemValueAs reported
CountyMerrimack CountyMerrimack County
StateNew HampshireNew Hampshire
State FIPS code3333
County FIPS code013013
Census region (code)11
Census division (code)11
Estimates base, April 1, 2020153,805153805
Resident population, July 1, 2020154,039154039
Resident population, July 1, 2021154,627154627
Resident population, July 1, 2022156,241156241
Resident population, July 1, 2023157,059157059
Resident population, July 1, 2024157,869157869
Numeric population change, 2023 to 2024810810
Births, year to July 1, 20241,2771277
Deaths, year to July 1, 20241,6831683
Natural change (births minus deaths), year to July 1, 2024-406-406
International migration, year to July 1, 2024325325
Domestic migration, year to July 1, 2024887887
Residual, year to July 1, 202444
Birth rate per 1,000 population, year to July 1, 20248.10988.1097901743
Death rate per 1,000 population, year to July 1, 202410.688210.688157293
Natural change rate per 1,000 population, year to July 1, 2024-2.5784-2.578367119
International migration rate per 1,000 population, year to July 1, 20242.06402.0639638267
Domestic migration rate per 1,000 population, year to July 1, 20245.63305.6330335823
Group quarters population, July 1, 20247,6677667

Values as reported by the source: county_name=Merrimack County, state_name=New Hampshire, state_fips=33, county_fips=013, region=1, division=1, estimates_base_2020=153805, pop_2020=154039, pop_2021=154627, pop_2022=156241, pop_2023=157059, pop_2024=157869, npopchg_2024=810, births_2024=1277, deaths_2024=1683, naturalchg_2024=-406, internationalmig_2024=325, domesticmig_2024=887, residual_2024=4, rbirth_2024=8.1097901743, rdeath_2024=10.688157293, rnaturalchg_2024=-2.578367119, rinternationalmig_2024=2.0639638267, rdomesticmig_2024=5.6330335823, gq_estimates_2024=7667