Editors' pick: Originally published Aug. 4.

Running for president is bad for business if you're Donald Trump.

Foot traffic in Trump-branded hotels, casinos and golf courses in the U.S. has declined since he announced his White House run in June 2015, according to a new report from Foursquare. As the election has worn on, it has gotten worse: traffic year-over-year has been down by at least 14% every month since March.

It appears as though Trump's low ratings among women voters has also hurt his businesses' standing among women consumers. Trump properties have seen a double-digital decrease in visits from women this year, and the gap has widened since March 2016. Trump properties in blue states appear to have been hit harder across the board and especially among women who live there, whereas foot traffic in purple states has been a bit bouncier.

Trump SoHo in New York, Trump International Hotel & Tower in Chicago and Trump Taj Mahal in New Jersey have seen the biggest declines. 

"For fans of Trump, the business losses may simply reflect the cost of sticking by his campaign statements and beliefs. For critics of Trump, the fact that more people are staying away from Trump-branded properties may reflect people 'voting with their feet,'" the report says.

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As these Trump Organization businesses are private and don't share this type of information with the public, it's impossible to verify whether Foursquare's numbers actually have affected revenues. Trump spokeswoman Hope Hicks did not respond to request for comment on the matter.

This is not the first time it has appeared as though Trump's presidential campaign has done damage to his business prospects and brand.

Data released by online travel site Hipmunk this week indicated Trump hotel bookings plunged by almost 60% during the first half of 2016 compared to 2015. Research from Politicofound the value of the Trump name -- which the businessman has said is worth as much as $3 billion -- has fallen since Trump began campaigning. High-income consumers (the type Trump needs to frequent his properties) appear to be associating his brand less with traits like "upper class" and "prestigious" than before he kicked off his White House bid.

Trump has lost various business deals over the past year as well, including with Comcast's (CMCSA) - Get Comcast Corporation Class A Report NBC and Macy's (M) - Get Macy's Inc Report . He settled a lawsuit with Univision earlier this year over the network's refusal to broadcast the Miss Universe and Miss USA pageants, which he at the time owned.

Even Trump-branded businesses he is no longer directly involved with have been hurt this year. Case in point: Trump Taj Mahal. The Atlantic City hotel-casino announced on Wednesday that it would be closing its doors after Labor Day, buckling under the pressure of an ongoing worker strike and, according to Foursquare's data, a significant drop in traffic.

Meanwhile, Trump has directed fire at other businesses throughout his campaign for un-American practices, urging his supporters to steer clear of them. These include Apple (AAPL) - Get Apple Inc. (AAPL) Report , United Technologies' undefined Carrier and Mondelez's (MDLZ) - Get Mondelez International, Inc. Class A (MDLZ) Report Oreos. Ironically, an analysis of the latest earnings of these companies by TheStreet showed that Trump supporters are likely ignoring his calls for a boycott. His campaign seems to be hurting only his business.

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