Registered Voters by County

as of 2026-09

Participation among current voters (voter file)

Source: State Board of Elections report for 2026-09 (PDF), downloaded 2026-10-10, 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 September 2026
Allegany: Republicans +29 points Anne Arundel: Democrats +11 points Baltimore City: Democrats +66 points Baltimore County: Democrats +29 points Calvert: Republicans +8 points Caroline: Republicans +24 points Carroll: Republicans +24 points Cecil: Republicans +23 points Charles: Democrats +42 points Dorchester: Republicans +2 points Frederick: Democrats +5 points Garrett: Republicans +50 points Harford: Republicans +9 points Howard: Democrats +32 points Kent: even Montgomery: Democrats +44 points Prince George's: Democrats +66 points Queen Anne's: Republicans +23 points Somerset: Republicans +7 points St. Mary's: Republicans +11 points Talbot: Republicans +4 points Washington: Republicans +14 points Wicomico: Democrats +2 points Worcester: Republicans +16 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 September 2026
Allegany: 21.7% Anne Arundel: 26.7% Baltimore City: 17.8% Baltimore County: 22.1% Calvert: 24.6% Caroline: 23.2% Carroll: 24.6% Cecil: 24.5% Charles: 21.2% Dorchester: 19.3% Frederick: 27.9% Garrett: 16.1% Harford: 24.3% Howard: 27.9% Kent: 21.1% Montgomery: 26.9% Prince George's: 18.3% Queen Anne's: 22.7% Somerset: 19.2% St. Mary's: 24.6% Talbot: 22.0% Washington: 25.3% Wicomico: 24.0% Worcester: 22.1%
  • under 18%
  • 18 to 21%
  • 21 to 24%
  • 24 to 27%
  • 27% or more
Change over a year in active voters, September 2025 to September 2026
Allegany: +0.8% Anne Arundel: +0.7% Baltimore City: +1.0% Baltimore County: +0.6% Calvert: +0.1% Caroline: +1.1% Carroll: +0.3% Cecil: +0.5% Charles: +1.7% Dorchester: +1.1% Frederick: +1.0% Garrett: +1.0% Harford: +1.2% Howard: +0.5% Kent: +0.4% Montgomery: +0.7% Prince George's: -0.4% Queen Anne's: -0.6% Somerset: +0.8% St. Mary's: +0.6% Talbot: +1.2% Washington: -1.1% Wicomico: -0.5% Worcester: +1.5%
  • fewer: under -1.2%
  • -1.2 to -0.4%
  • -0.4 to 0.4%
  • 0.4 to 1.2%
  • more: 1.2% or more
County # Reg vs month before vs year before DEM REP UNA GRN WCP OTH
Allegany 45,140 +70 (+0.2%) +339 (+0.8%) 10,758 (23.8%) 23,708 (52.5%) 9,779 (21.7%) 71 (0.2%) 114 (0.3%) 710 (1.6%)
Anne Arundel 423,471 +839 (+0.2%) +2,775 (+0.7%) 174,397 (41.2%) 128,328 (30.3%) 113,193 (26.7%) 562 (0.1%) 453 (0.1%) 6,538 (1.5%)
Baltimore City 412,103 +1,456 (+0.4%) +4,234 (+1.0%) 300,721 (73.0%) 29,490 (7.2%) 73,298 (17.8%) 895 (0.2%) 875 (0.2%) 6,824 (1.7%)
Baltimore County 590,603 +806 (+0.1%) +3,722 (+0.6%) 309,526 (52.4%) 139,371 (23.6%) 130,269 (22.1%) 859 (0.1%) 801 (0.1%) 9,777 (1.7%)
Calvert 71,034 +34 (0.0%) +90 (+0.1%) 23,299 (32.8%) 29,023 (40.9%) 17,487 (24.6%) 67 (0.1%) 77 (0.1%) 1,081 (1.5%)
Caroline 23,138 +72 (+0.3%) +258 (+1.1%) 5,883 (25.4%) 11,457 (49.5%) 5,359 (23.2%) 34 (0.1%) 43 (0.2%) 362 (1.6%)
Carroll 132,088 +158 (+0.1%) +374 (+0.3%) 33,109 (25.1%) 64,295 (48.7%) 32,437 (24.6%) 161 (0.1%) 139 (0.1%) 1,947 (1.5%)
Cecil 74,739 +194 (+0.3%) +399 (+0.5%) 18,813 (25.2%) 36,121 (48.3%) 18,330 (24.5%) 87 (0.1%) 138 (0.2%) 1,250 (1.7%)
Charles 131,758 +305 (+0.2%) +2,219 (+1.7%) 78,638 (59.7%) 23,272 (17.7%) 27,911 (21.2%) 160 (0.1%) 158 (0.1%) 1,619 (1.2%)
Dorchester 24,432 +51 (+0.2%) +260 (+1.1%) 9,397 (38.5%) 9,851 (40.3%) 4,726 (19.3%) 25 (0.1%) 36 (0.1%) 397 (1.6%)
Frederick 210,260 +499 (+0.2%) +2,031 (+1.0%) 79,969 (38.0%) 68,452 (32.6%) 58,588 (27.9%) 296 (0.1%) 215 (0.1%) 2,740 (1.3%)
Garrett 21,344 +96 (+0.5%) +210 (+1.0%) 3,399 (15.9%) 14,177 (66.4%) 3,441 (16.1%) 23 (0.1%) 24 (0.1%) 280 (1.3%)
Harford 200,704 +305 (+0.2%) +2,400 (+1.2%) 65,018 (32.4%) 83,194 (41.5%) 48,711 (24.3%) 222 (0.1%) 256 (0.1%) 3,303 (1.6%)
Howard 243,266 +163 (+0.1%) +1,109 (+0.5%) 124,815 (51.3%) 46,748 (19.2%) 67,878 (27.9%) 362 (0.1%) 174 (0.1%) 3,289 (1.4%)
Kent 14,465 +28 (+0.2%) +58 (+0.4%) 5,583 (38.6%) 5,590 (38.6%) 3,056 (21.1%) 16 (0.1%) 18 (0.1%) 202 (1.4%)
Montgomery 708,880 +4,086 (+0.6%) +4,833 (+0.7%) 409,217 (57.7%) 98,279 (13.9%) 190,435 (26.9%) 1,104 (0.2%) 568 (0.1%) 9,277 (1.3%)
Prince George's 625,582 +1,017 (+0.2%) −2,290 (−0.4%) 454,907 (72.7%) 40,873 (6.5%) 114,677 (18.3%) 890 (0.1%) 772 (0.1%) 13,463 (2.2%)
Queen Anne's 42,283 +83 (+0.2%) −261 (−0.6%) 11,190 (26.5%) 20,824 (49.2%) 9,596 (22.7%) 48 (0.1%) 48 (0.1%) 577 (1.4%)
Somerset 14,805 +18 (+0.1%) +114 (+0.8%) 5,294 (35.8%) 6,381 (43.1%) 2,849 (19.2%) 27 (0.2%) 27 (0.2%) 227 (1.5%)
St. Mary's 79,516 +178 (+0.2%) +469 (+0.6%) 25,105 (31.6%) 33,541 (42.2%) 19,535 (24.6%) 81 (0.1%) 90 (0.1%) 1,164 (1.5%)
Talbot 29,143 +54 (+0.2%) +337 (+1.2%) 10,516 (36.1%) 11,749 (40.3%) 6,419 (22.0%) 23 (0.1%) 25 (0.1%) 411 (1.4%)
Washington 102,213 +374 (+0.4%) −1,176 (−1.1%) 30,138 (29.5%) 44,381 (43.4%) 25,843 (25.3%) 141 (0.1%) 166 (0.2%) 1,544 (1.5%)
Wicomico 67,938 +173 (+0.3%) −316 (−0.5%) 25,741 (37.9%) 24,406 (35.9%) 16,332 (24.0%) 103 (0.2%) 133 (0.2%) 1,223 (1.8%)
Worcester 44,949 +124 (+0.3%) +648 (+1.5%) 13,444 (29.9%) 20,708 (46.1%) 9,941 (22.1%) 48 (0.1%) 47 (0.1%) 761 (1.7%)
Total 4,333,854 +11,183 (+0.3%) +22,836 (+0.5%) 2,228,877 (51.4%) 1,014,219 (23.4%) 1,010,090 (23.3%) 6,305 (0.1%) 5,397 (0.1%) 68,966 (1.6%)
Change from month before +6,320 (+0.3%) −26 (0.0%) +4,688 (+0.5%) +78 (+1.3%) +190 (+3.6%) −67 (−0.1%)
Change from year before +4,303 (+0.2%) −13,493 (−1.3%) +32,463 (+3.3%) +573 (+10.0%) +1,838 (+51.6%) −2,848 (−4.0%)