The population of Carroll county is estimated at 47,399. In 2017 there were 340 births and 540 deaths in Carroll county. Carroll county has 10,353 housing units that are owned with a mortgage or a loan, 6,312 that are owned free and clear and 4,387 that are renter occupied.

  The good residents of Carroll County filed 26,220 federal tax returns in 2017. This amount represents 3.8% of all New Hampshire filings and 0.018% of the entire nation. Carroll had a combined total federal tax liability of $350,065,000 on earned income of $1,884,239,000. Other notable statistics from Carroll County were 760 unemployment claims which collected a total of $2,980,000 and 5,160 charitable contributions valued at $26,393,000. 6,320 filings from Carroll County paid a combined total of $42,456,000 in property taxes and 4,790 filings paid $37,913,000 on mortgage interest costs.

  In 2010 Carroll county had 51 religious congregations with an estimated 10,177 members.
34.0% of the Carroll population has a college level Bachelors degree or higher. 6.6% have less than a highschool diploma level education.

Approximately 61% of Carroll County voted in the presidential election of 2016. This is an increase from the 2012 election by 599 votes.
At $58,005 the median income is 78.8% of the New Hampshire average. An estimated 615 people claimed to be unemployed last year in Carroll, the equivalant of around 2.6% of the county population. This represents a decrease in the level of unemployment from the previous year's value of 3.0%.

Top 15 Industries in Carroll County.
Total # Employed	Industry Job Type
4,034	Accommodation and food services
3,558	Retail trade
2,693	Health care and social assistance
2,126	Food services and drinking places
1,908	Accommodation
1,083	Arts, entertainment, and recreation
1,069	Manufacturing
545	Administrative and support and waste management and remediation services
524	Clothing stores
506	Administrative and support services
480	Finance and insurance
432	Other services (except public administration)
418	Building material and garden equipment and supplies dealers
375	Building material and supplies dealers
373	Limited-service restaurants

In 2018 the average price reduction was 4.00% in Carroll County.

In 2018 3.93% of listings in Carroll County (averaging across 5 zip codes; 3818, 3254, 3860, 3872 and 3894) dropped their price.

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