The border effect of Russian and Belarusian border on Latgale electoral district has been analysed in this research. The proportionof Latvians in Latgale border area is a lot smaller in total than in the rest of the Latgale territory and the proportion of all the rest ofthe ethnic minorities in the border area is a lot higher while the number of votes for political parties with a mostly Latvian citizenelectorate is proportionally higher. The obtain results indicate that the border effect on the election results for political parties is notstatistically significant.