Merrimack County, NH Demographics

What is the population of Merrimack County?

There are 157,869 residents in Merrimack County, with a median age of 46. Of this, 49.89% are males and 50.11% are females. US-born citizens make up 94.4% of the resident pool in Merrimack County, while non-US-born citizens account for 3.87%. Additionally, 1.72% of the population is represented by non-citizens. A total of 139,214 people in Merrimack County currently live in the same house as they did last year.
Y-o-Y Change
Total Population 157,869 0.6%
Male Population 78,760 1.2%
Female Population 79,109 0.1%
Male Population 49.89%
Female Population 50.11%
Y-o-Y Change
Median Age 46 0.0%
Citizen U.S. Born 149,034 0.8%
Citizen not U.S. Born 6,113 -0.1%
Not Citizen 2,722 -8.3%
Citizen U.S. Born 94.4%
Citizen not U.S. Born 3.87%
Not Citizen 1.72%
Y-o-Y Change
Moved from Abroad 578 9.5%
Moved from Same County 6,506 -13.5%
Moved from Same State 6,087 0.7%
Moved from Different State 4,418 11.9%
Same House as Last Year 139,214 1.1%
Moved from Abroad 0.37%
Moved from Same County 4.15%
Moved from Same State 3.88%
Moved from Different State 2.82%
Same House as Last Year 88.78%

What are the employment statistics in Merrimack County?

White-collar workers make up 78.97% of the working population in Merrimack County, while blue-collar employees account for 21.03%. There are also 7,533 entrepreneurs in Merrimack County (9.12% of the workforce); 50,866 workers employed in private companies (61.61%); and 12,755 people working in governmental institutions (15.45%).
Y-o-Y Change
White Collar 65,199 0.8%
Blue Collar 17,359 -4.6%
White Collar 78.97%
Blue Collar 21.03%
Y-o-Y Change
Self Employees 7,533 2.2%
Private Companies 50,866 -0.8%
Governmental Workers 12,755 0.3%
Not for Profit Companies 11,404 -1.0%
Self Employees 9.12%
Private Companies 61.61%
Governmental Workers 15.45%
Not for Profit Companies 13.81%

How many households are there in Merrimack County?

There are a total of 61,452 households in Merrimack County, each made up of around 2 members. Family establishments represent 66.96% of these Merrimack County households, while non-family units account for the remaining 33.04%. Additionally, 27.36% of households have children and 72.64% of households are without children.
Y-o-Y Change
Total households 61,452 1.1%
Average People per Household 2 N/A
Family Households 41,148 0.7%
Non-Family Households 20,304 1.9%
Family Households 66.96%
Non-Family Households 33.04%
Y-o-Y Change
Households with Children 16,816 -0.8%
Households without Children 44,636 1.8%
Households with Children 27.36%
Households without Children 72.64%

What are the median and average incomes in Merrimack County?

The average annual household income in Merrimack County is $118,298, while the median household income sits at $92,954 per year. Residents aged 25 to 44 earn $108,404, while those between 45 and 64 years old have a median wage of $121,532. In contrast, people younger than 25 and those older than 65 earn less, at $58,021 and $57,674, respectively.
Y-o-Y Change
Average Household Income $118,298 10.3%
Median Household Income $92,954 8.8%
People below Poverty Level 5 N/A
People above Poverty Level 139,644 0.6%

How many homeowners and renters are there in Merrimack County?

There are 67,739 housing units in Merrimack County, and the median year in which these properties were built is 1978. Of the 61,452 occupied housing units in Merrimack County, 73.5% are owner-occupied, while 26.5% have renters living in them. Meanwhile, properties bought with mortgages account for 63.24% of the units, and the median value of a home with a mortgage is $301,500. In general, housing costs reach $1,450 per month in Merrimack County.
Y-o-Y Change
Housing Units 67,739 0.5%
Median Year Built 1978 0.0%
Built in 1939 or Earlier 16,824 0.2%
Built between 1940 and 1949 2,494 3.4%
Built between 1950 and 1959 3,296 0.8%
Built between 1960 and 1969 5,132 -2.5%
Built between 1970 and 1979 9,868 -1.6%
Built between 1980 and 1989 11,559 -0.9%
Built between 1990 and 1999 6,808 0.1%
Built between 2000 and 2009 7,876 1.4%
Built between 2010 and 2019 3,702 12.1%
Built in 2020 or Later 180 80.0%
Y-o-Y Change
Occupied Housing Units 61,452 1.1%
Owner Occupied 45,167 1.9%
Renter Occupied $16,285 -1.0%
Owner Occupied 73.5%
Renter Occupied 26.5%
Y-o-Y Change
With Mortgage 28,562 0.5%
Without Mortgage 16,605 4.2%
Median Value with Mortgage $301,500 10.8%
Median Value without Mortgage $277,450 14.4%
Median Housing Costs per Month $1,450 8.9%
With Mortgage 63.24%
Without Mortgage 36.76%

What is the level of education in Merrimack County?

Approximately 33.15% of the population in Merrimack County holds a high school degree (that's 44,921 residents), while 23.44% have attained a college certificate (31,765 locals) and 18.51% have a bachelor's degree (25,077 people).
Y-o-Y Change
No High School 2,373 -12.1%
Some High School 44,921 1.4%
Some College 31,765 -1.2%
Associate Degree 13,153 0.8%
Bachelor's Degree 25,077 4.3%
Graduate Degree 18,223 4.6%
No High School 1.75%
Some High School 33.15%
Some College 23.44%
Associate Degree 9.71%
Bachelor's Degree 18.51%
Graduate Degree 13.45%

What is the marital status of Merrimack County residents?

A total of 39,004 people in Merrimack County have never been married (which represents 28.8% of the total population), while 70,706 of them are wedded (52.2%). Separated and divorced residents are in smaller numbers, at 1,295 (0.96%) and 17,521 (12.94%), respectively.
Y-o-Y Change
Never Married 39,004 3.3%
Married 70,706 -0.6%
Separated 1,295 -2.5%
Widowed 6,924 4.3%
Divorced 17,521 17,521.0%
Never Married 28.8%
Married 52.2%
Separated 0.96%
Widowed 5.11%
Divorced 12.94%

What are the most common means of transportation in Merrimack County?

The top three means of transportation people in Merrimack County use to get to work are: car, walking and bus or trolley bus. A total of 67,828 residents commute by car, 2,181 prefer going to work by walking and 277 by bus or trolley bus
Y-o-Y Change
Car 67,828 -3.8%
Bus or TrolleyBus 277 3.0%
Bicycle 225 42.4%
Motorcycle 61 35.6%
TaxiCab 70 9.4%
Walk 2,181 13.4%

What is the median and average household income in Merrimack County by zipcode?

ZipCode Population Number of Households Median Income Average Income
03046 3,000 1,061 $138,036.00 $158,043.00
03224 2,343 914 $114,167.00 $136,535.00
03229 5,925 2,168 $115,682.00 $172,688.00
03230 1,491 672 $62,500.00 $79,829.00
03231 110 56 $135,625.00 $106,213.00
03233 209 86 $125,968.00 $114,410.00
03234 4,846 1,844 $90,805.00 $103,312.00
03106 14,654 5,076 $100,711.00 $127,296.00
03216 2,041 822 $85,909.00 $108,943.00
03221 2,263 913 $95,104.00 $134,148.00

Methodology & Disclaimers

Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2022 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.