Registered Voters by County

as of 2016-04

Participation among current voters (voter file)

Source: State Board of Elections report for 2016-04 (PDF), downloaded 2026-06-24, read from the PDF's own text and checked: each county's parties add up to its total and the 24 counties add up to the statewide row. Download this month as CSV or see its provenance record.
Democratic minus Republican share of active voters, as of April 2016
Allegany: Republicans +14 points Anne Arundel: Democrats +6 points Baltimore City: Democrats +71 points Baltimore County: Democrats +30 points Calvert: Republicans +3 points Caroline: Republicans +8 points Carroll: Republicans +25 points Cecil: Republicans +6 points Charles: Democrats +34 points Dorchester: Democrats +12 points Frederick: Republicans +3 points Garrett: Republicans +40 points Harford: Republicans +6 points Howard: Democrats +21 points Kent: Democrats +11 points Montgomery: Democrats +39 points Prince George's: Democrats +71 points Queen Anne's: Republicans +18 points Somerset: Democrats +9 points St. Mary's: Republicans +4 points Talbot: Republicans +6 points Washington: Republicans +9 points Wicomico: Democrats +7 points Worcester: Republicans +3 points
  • Republican by 40+ points
  • Republican by 10 to 40
  • within 10 points
  • Democratic by 10 to 40
  • Democratic by 40+ points
Unaffiliated share of active voters, as of April 2016
Allegany: 15.7% Anne Arundel: 21.3% Baltimore City: 11.8% Baltimore County: 16.2% Calvert: 20.0% Caroline: 18.9% Carroll: 19.1% Cecil: 21.5% Charles: 16.3% Dorchester: 13.6% Frederick: 22.1% Garrett: 12.4% Harford: 18.7% Howard: 21.8% Kent: 15.4% Montgomery: 22.3% Prince George's: 11.3% Queen Anne's: 18.1% Somerset: 13.2% St. Mary's: 19.7% Talbot: 17.4% Washington: 20.1% Wicomico: 17.6% Worcester: 18.1%
  • under 12.5%
  • 12.5 to 15%
  • 15 to 17.5%
  • 17.5 to 20%
  • 20% or more
Change over a year in active voters, April 2015 to April 2016
Allegany: +3.1% Anne Arundel: +5.2% Baltimore City: +4.6% Baltimore County: +4.5% Calvert: +5.7% Caroline: +4.6% Carroll: +4.3% Cecil: +3.6% Charles: +5.0% Dorchester: +3.5% Frederick: +6.2% Garrett: +3.8% Harford: +4.4% Howard: +6.0% Kent: +3.1% Montgomery: +1.8% Prince George's: +4.0% Queen Anne's: +3.1% Somerset: +1.6% St. Mary's: +5.6% Talbot: +2.5% Washington: +4.2% Wicomico: +4.0% Worcester: +4.1%
  • fewer: under -3.75%
  • -3.75 to -1.25%
  • -1.25 to 1.25%
  • 1.25 to 3.75%
  • more: 3.75% or more
County # Reg vs month before vs year before DEM REP UNAF LIB GRN OTH
Allegany 43,138 +8 (0.0%) +1,282 (+3.1%) 14,823 (34.4%) 20,896 (48.4%) 6,768 (15.7%) 224 (0.5%) 108 (0.3%) 319 (0.7%)
Anne Arundel 369,894 +1,556 (+0.4%) +18,427 (+5.2%) 154,862 (41.9%) 132,809 (35.9%) 78,861 (21.3%) 2,005 (0.5%) 750 (0.2%) 607 (0.2%)
Baltimore City 379,124 +4,946 (+1.3%) +16,565 (+4.6%) 299,597 (79.0%) 31,294 (8.3%) 44,726 (11.8%) 1,176 (0.3%) 996 (0.3%) 1,335 (0.4%)
Baltimore County 542,970 +1,768 (+0.3%) +23,325 (+4.5%) 305,686 (56.3%) 141,011 (26.0%) 88,141 (16.2%) 2,561 (0.5%) 1,193 (0.2%) 4,378 (0.8%)
Calvert 62,360 +234 (+0.4%) +3,342 (+5.7%) 23,621 (37.9%) 25,404 (40.7%) 12,462 (20.0%) 343 (0.6%) 133 (0.2%) 397 (0.6%)
Caroline 19,341 +124 (+0.6%) +857 (+4.6%) 6,893 (35.6%) 8,521 (44.1%) 3,654 (18.9%) 109 (0.6%) 25 (0.1%) 139 (0.7%)
Carroll 119,945 +287 (+0.2%) +4,986 (+4.3%) 32,664 (27.2%) 62,723 (52.3%) 22,903 (19.1%) 662 (0.6%) 225 (0.2%) 768 (0.6%)
Cecil 63,659 +392 (+0.6%) +2,221 (+3.6%) 22,546 (35.4%) 26,366 (41.4%) 13,697 (21.5%) 352 (0.6%) 127 (0.2%) 571 (0.9%)
Charles 105,601 +451 (+0.4%) +5,050 (+5.0%) 61,821 (58.5%) 25,650 (24.3%) 17,162 (16.3%) 377 (0.4%) 125 (0.1%) 466 (0.4%)
Dorchester 21,017 +53 (+0.3%) +711 (+3.5%) 10,223 (48.6%) 7,720 (36.7%) 2,850 (13.6%) 93 (0.4%) 23 (0.1%) 108 (0.5%)
Frederick 161,111 +722 (+0.5%) +9,444 (+6.2%) 59,165 (36.7%) 64,789 (40.2%) 35,663 (22.1%) 911 (0.6%) 338 (0.2%) 245 (0.2%)
Garrett 19,599 +55 (+0.3%) +719 (+3.8%) 4,532 (23.1%) 12,368 (63.1%) 2,421 (12.4%) 87 (0.4%) 37 (0.2%) 154 (0.8%)
Harford 172,119 +626 (+0.4%) +7,275 (+4.4%) 63,641 (37.0%) 73,882 (42.9%) 32,222 (18.7%) 1,021 (0.6%) 306 (0.2%) 1,047 (0.6%)
Howard 205,905 +1,102 (+0.5%) +11,600 (+6.0%) 100,208 (48.7%) 57,603 (28.0%) 44,845 (21.8%) 1,028 (0.5%) 408 (0.2%) 1,813 (0.9%)
Kent 13,044 +65 (+0.5%) +387 (+3.1%) 6,112 (46.9%) 4,734 (36.3%) 2,007 (15.4%) 55 (0.4%) 18 (0.1%) 118 (0.9%)
Montgomery 645,423 +3,440 (+0.5%) +11,673 (+1.8%) 371,681 (57.6%) 122,197 (18.9%) 143,989 (22.3%) 2,388 (0.4%) 1,379 (0.2%) 3,789 (0.6%)
Prince George's 560,916 +3,715 (+0.7%) +21,417 (+4.0%) 439,752 (78.4%) 42,856 (7.6%) 63,407 (11.3%) 1,283 (0.2%) 763 (0.1%) 12,855 (2.3%)
Queen Anne's 34,050 +166 (+0.5%) +1,033 (+3.1%) 10,705 (31.4%) 16,755 (49.2%) 6,171 (18.1%) 183 (0.5%) 56 (0.2%) 180 (0.5%)
Somerset 13,116 +48 (+0.4%) +201 (+1.6%) 6,229 (47.5%) 5,021 (38.3%) 1,732 (13.2%) 35 (0.3%) 12 (0.1%) 87 (0.7%)
St. Mary's 68,178 +284 (+0.4%) +3,618 (+5.6%) 25,557 (37.5%) 28,245 (41.4%) 13,456 (19.7%) 388 (0.6%) 110 (0.2%) 422 (0.6%)
Talbot 26,546 +85 (+0.3%) +646 (+2.5%) 9,947 (37.5%) 11,628 (43.8%) 4,607 (17.4%) 124 (0.5%) 41 (0.2%) 199 (0.7%)
Washington 93,187 +225 (+0.2%) +3,781 (+4.2%) 32,319 (34.7%) 41,024 (44.0%) 18,752 (20.1%) 522 (0.6%) 224 (0.2%) 346 (0.4%)
Wicomico 58,793 +198 (+0.3%) +2,245 (+4.0%) 25,795 (43.9%) 21,819 (37.1%) 10,335 (17.6%) 297 (0.5%) 110 (0.2%) 437 (0.7%)
Worcester 37,362 +109 (+0.3%) +1,478 (+4.1%) 14,429 (38.6%) 15,600 (41.8%) 6,763 (18.1%) 188 (0.5%) 77 (0.2%) 305 (0.8%)
Total 3,836,398 +20,659 (+0.5%) +152,283 (+4.1%) 2,102,808 (54.8%) 1,000,915 (26.1%) 677,594 (17.7%) 16,412 (0.4%) 7,584 (0.2%) 31,085 (0.8%)
Change from month before +14,617 (+0.7%) +3,704 (+0.4%) +2,158 (+0.3%) +99 (+0.6%) +12 (+0.2%) +69 (+0.2%)
Change from year before +94,310 (+4.7%) +50,458 (+5.3%) +9,448 (+1.4%) +791 (+5.1%) −1,017 (−11.8%) −1,707 (−5.2%)