The population of Lake county is estimated at 486,592. In 2017 there were 5,761 births and 4,859 deaths in Lake county. Lake county has 94,655 housing units that are owned with a mortgage or a loan, 35,805 that are owned free and clear and 57,697 that are renter occupied.

  The gracious residents of Lake County filed 228,140 federal tax returns in 2017. This amount represents 7.4% of all Indiana filings and 0.153% of the entire nation. Lake had an impressive combined total federal tax liability of $1,944,084,000 on earned income of $12,476,251,000. Other notable statistics from Lake County were 7,060 unemployment claims which collected a total of $36,714,000 and 50,620 charitable contributions valued at $204,921,000. 56,020 filings from Lake County paid a combined total of $158,881,000 in property taxes and 49,730 filings paid $311,304,000 on mortgage interest costs.

  In 2010 Lake county had 519 religious congregations with an estimated 275,161 members.
21.4% of the Lake population has a college level Bachelors degree or higher. 11.9% have less than a highschool diploma level education.

Approximately 41% of Lake County voted in the presidential election of 2016. This represents a decrease from the 2012 election by 1,401 votes.
At $54,929 the median income is 101.5% of the Indiana average. An estimated 11,688 people claimed to be unemployed last year in Lake, the equivalant of around 5.1% of the county population. This represents a decrease in the level of unemployment from the previous year's value of 6.3%.

Top 15 Industries in Lake County.
Total # Employed	Industry Job Type
31,946	Health care and social assistance
23,986	Retail trade
23,122	Manufacturing
18,097	Accommodation and food services
15,626	Food services and drinking places
14,249	Restaurants and other eating places
12,744	Hospitals
11,865	Primary metal manufacturing
11,553	Ambulatory health care services
8,626	Transportation and warehousing
6,732	Full-service restaurants
6,456	Limited-service restaurants
6,336	Other services (except public administration)
6,003	Professional, scientific, and technical services
5,297	Truck transportation

In 2018 the average price reduction was 1.75% in Lake County (averaging across 14 zip codes a sample of which are; 46323, 46373, 46311, 46410 and 46307).

In 2018 21.23% of listings in Lake County (averaging across 16 zip codes a sample of which are; 46307, 46311, 46356, 46323 and 46319) dropped their price.

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