99chambers

Maryland State Senate seat · lines in effect since 2022

Maryland Legislative District 9

A district of about 129,000 people, 25% Asian, 67% of adults with a bachelor's degree. It votes D+27.8 relative to the nation for president.

Katie Hester (D) · since Nov 6, 2018Next election Nov 5, 2030The 2026 race →

Where it sits among all 47 seats

Every Maryland State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+27.829th most
Democratic
Most DemocraticMost Republican24th seat · the majority lineDistrict 9

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20222026
Maryland State SenateD+15.9D+34.1

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 47 seats. Small marks are other seats in Maryland. The black marker is District 9.

Adults with a bachelor's degree67% 96th pct · 3rd of 47 in MD

Higher than 96% of seats.

White adults without a degree18% 50th pct · 24th of 47 in MD

Higher than 50% of seats.

Hispanic residents6% 26th pct · 35th of 47 in MD

Lower than 74% of seats.

Black residents9% 15th pct · 40th of 47 in MD

Lower than 85% of seats.

Asian residents25% 98th pct · 2nd of 47 in MD

Higher than 98% of seats.

People per square mile687 30th pct · 33rd of 47 in MD

Less dense than 70% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

District 15
68% college gradsD+47.5Held DDistrict 13
28% Black · 61% college gradsD+52.6Held DDistrict 14
28% Black · 57% college gradsD+46.0Held DDistrict 12
24% Black · 49% college gradsD+41.0Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

  1. Katie Fry Hester (D)
    2023– · Won 2022 by 15.9, 2026 by 34.1

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)