The presidential election votes across the Chartiers Valley School District communities closely mirrored the national popular vote.

President Barack Obama won the overall combined votes in Bridgeville, Collier, Heidelberg and Scott Township by a slim 50.3%-to-49.6% margin over Gov. Mitt Romney. Obama pulled 50.4% of the national vote compared to Romney's 48%, according to unofficial results.

That local total is down 1% from 2008 when he won the four communities by a combined 51.3%-to-48.7% against U.S. Sen. John McCain.

The vote totals from 2008 and 2012, for the most part, mirrored each other. Obama drove up his biggest victory totals in Scott Township, although he lost Collier Township by the largest margin.

Overall, turnout in the four Chartiers Valley communities was down by about 16 percent from 2008.

Look below to see how the vote totals compared between the candidates.

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2012                            OBAMA               ROMNEY

Bridgeville                 1,088 (49%)    –   1,113 (51%)

Collier Township          977  (46%)    –   1,148 (54%)

Heidelberg                  305  (57%)    –       228 (43%)

Scott Township         4,002  (51%)    –    3,799 (49%)

Chartiers Valley        6,372 (50.3%)  –  6,288 (49.6%)

2008                           OBAMA                 McCAIN

Bridgeville                1,276 (52%)    –   1,177 (48%)

Collier Township        1,625 (45%)    –   2,019 (55%)

Heidelberg                  325 (59%)     –      230  (41%)

Scott Township          4,478 (54%)    –   3, 874 (46%)

Chartiers Valley         7,704 (51.3%)  –  7,300 (48.7%)