The population of Union county is estimated at 561,106 where 293,531 speak English exclusively and 7,134 speak primarily in another language. In 2017 there were 6,758 births and 4,038 deaths in Union county. Union county has 82,267 housing units that are owned with a mortgage or a loan, 30,576 that are owned free and clear and 75,275 that are renter occupied.

  The residents of Union County filed 274,290 federal tax returns in 2017. This amount represents 6.3% of all New Jersey filings and 0.184% of the entire nation. Union had an impressive combined total federal tax liability of $4,519,213,000 on earned income of $23,383,577,000. Other notable statistics from Union County were 14,310 unemployment claims which collected a total of $91,772,000 and 92,370 charitable contributions valued at $401,172,000. 91,040 filings from Union County paid a combined total of $1,021,663,000 in property taxes and 71,880 filings paid $673,439,000 on mortgage interest costs.

  In 2010 Union county had 382 religious congregations with an estimated 354,958 members.
34.1% of the Union population has a college level Bachelors degree or higher. 14.0% have less than a highschool diploma level education.

Approximately 39% of Union County voted in the presidential election of 2016. This is an increase from the 2012 election by 17,032 votes.
At $76,830 the median income is 95.9% of the New Jersey average. An estimated 13,220 people claimed to be unemployed last year in Union, the equivalant of around 4.8% of the county population. This represents a decrease in the level of unemployment from the previous year's value of 5.2%.

Top 15 Industries in Union County.
Total # Employed	Industry Job Type
31,943	Health care and social assistance
24,757	Retail trade
20,790	Manufacturing
16,594	Administrative and support and waste management and remediation services
16,181	Professional, scientific, and technical services
15,491	Administrative and support services
15,361	Wholesale trade
14,659	Ambulatory health care services
13,330	Transportation and warehousing
12,856	Accommodation and food services
11,705	Food services and drinking places
9,382	Restaurants and other eating places
8,390	Chemical manufacturing
8,358	Merchant wholesalers, nondurable goods
7,003	Merchant wholesalers, durable goods

In 2018 the average price reduction was 3.50% in Union County (averaging across 16 zip codes a sample of which are; 7066, 7090, 7081, 7922 and 7016).

In 2018 13.94% of listings in Union County (averaging across 20 zip codes a sample of which are; 7204, 7016, 7205, 7208 and 7036) dropped their price.

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