The population of Baltimore county is estimated at 831,431 where 663,617 speak English exclusively and 13,527 speak primarily in another language. In 2017 there were 9,798 births and 8,437 deaths in Baltimore county. Baltimore county has 157,590 housing units that are owned with a mortgage or a loan, 53,981 that are owned free and clear and 105,144 that are renter occupied.

  The good residents of Baltimore County filed 410,740 federal tax returns in 2017. This amount represents 13.9% of all Maryland filings and 0.276% of the entire nation. Baltimore had an incredible combined total federal tax liability of $5,446,255,000 on earned income of $31,087,044,000. Other notable statistics from Baltimore County were 13,260 unemployment claims which collected a total of $62,629,000 and 157,880 charitable contributions valued at $926,476,000. 148,700 filings from Baltimore County paid a combined total of $610,674,000 in property taxes and 128,900 filings paid $1,067,616,000 on mortgage interest costs.

  In 2010 Baltimore county had 527 religious congregations with an estimated 332,827 members.
37.8% of the Baltimore population has a college level Bachelors degree or higher. 8.9% have less than a highschool diploma level education.

Approximately 40% of Baltimore County voted in the presidential election of 2016. This represents a decrease from the 2012 election by 19,638 votes.
At $73,309 the median income is 90.8% of the Maryland average. An estimated 19,596 people claimed to be unemployed last year in Baltimore, the equivalant of around 4.3% of the county population. This represents a decrease in the level of unemployment from the previous year's value of 4.7%.

Top 15 Industries in Baltimore County.
Total # Employed	Industry Job Type
58,216	Health care and social assistance
47,973	Retail trade
27,158	Accommodation and food services
25,679	Food services and drinking places
25,619	Administrative and support and waste management and remediation services
24,732	Administrative and support services
24,678	Professional, scientific, and technical services
22,865	Restaurants and other eating places
21,324	Ambulatory health care services
20,458	Nursing and residential care facilities
19,081	Finance and insurance
16,807	Manufacturing
11,268	Full-service restaurants
10,796	Wholesale trade
10,200	Insurance carriers and related activities

In 2018 the average price reduction was 3.04% in Baltimore County (averaging across 21 zip codes a sample of which are; 21220, 21209, 21222, 21131 and 21128).

In 2018 20.26% of listings in Baltimore County (averaging across 22 zip codes a sample of which are; 21131, 21208, 21136, 21219 and 21207) dropped their price.

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