The population of Marin county is estimated at 261,532. In 2017 there were 2,202 births and 1,944 deaths in Marin county. Marin county has 48,454 housing units that are owned with a mortgage or a loan, 16,183 that are owned free and clear and 38,573 that are renter occupied.

  The residents of Marin County filed 131,460 federal tax returns in 2017. This amount represents 0.7% of all California filings and 0.088% of the entire nation. Marin had an impressive combined total federal tax liability of $5,030,528,000 on earned income of $22,216,626,000. Other notable statistics from Marin County were 4,630 unemployment claims which collected a total of $25,278,000 and 57,770 charitable contributions valued at $539,864,000. 54,670 filings from Marin County paid a combined total of $613,276,000 in property taxes and 44,280 filings paid $749,208,000 on mortgage interest costs.

  In 2010 Marin county had 204 religious congregations with an estimated 109,808 members.
57.5% of the Marin population has a college level Bachelors degree or higher. 6.8% have less than a highschool diploma level education.

About 34% of Marin County voted in the presidential election of 2016. This is a decrease from the 2012 election by 11,171 votes.
At $112,735 the median income is 157.0% of the California average. An estimated 4,038 people claimed to be unemployed last year in Marin, the equivalant of around 2.9% of the county population. This represents a decrease in the level of unemployment from the previous year's value of 3.3%.

Top 15 Industries in Marin County.
Total # Employed	Industry Job Type
15,860	Health care and social assistance
14,698	Retail trade
11,578	Accommodation and food services
10,179	Food services and drinking places
9,563	Restaurants and other eating places
9,095	Professional, scientific, and technical services
6,384	Full-service restaurants
6,204	Finance and insurance
5,741	Ambulatory health care services
5,003	Administrative and support and waste management and remediation services
4,612	Administrative and support services
4,539	Other services (except public administration)
4,422	Information
3,913	Food and beverage stores
3,670	Grocery stores

In 2018 the average price reduction was 4.20% in Marin County (averaging across 2 zip codes; 94901 and 94941).

In 2018 14.79% of listings in Marin County (averaging across 5 zip codes; 94903, 94947, 94920, 94941 and 94901) dropped their price.

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