90 percent of New York City votes democrats

1. What the data in major outlets actually show: a Democratic win, not 90%

Contemporary news outlets that reported the 2025 NYC mayoral outcome describe a clear Democratic victory for Zohran Mamdani, with coverage noting he was "elected mayor" and winning the general election over Andrew Cuomo and Curtis Sliwa; the Wikipedia summary lists Mamdani at 50.4% of the vote ^{[2] [1]}. Associated Press, PBS, NBC and The New York Times coverage focused on turnout patterns and demographic splits, not any single‑party share approaching 90% ^{[5] [2] [4]}.

2. Why “New York City is Democratic” is partly true — registration vs. votes

Analysts and encyclopedic summaries repeatedly note that "city‑wide elections in New York City are solidly Democratic," meaning the Democratic nominee is often the favorite in general elections ^[3]. That structural advantage reflects voter registration and party lean, but it does not translate into single‑candidate general‑election shares of 90% in reported results; Mamdani’s victory margin and precinct‑level maps show much more nuance ^{[3] [4]}.

3. Multi‑candidate races and third‑party/independent runs lower party share

The 2025 general election included not only a Democratic nominee but also independent and Republican contenders — former governor Andrew Cuomo ran as an independent and Curtis Sliwa as the Republican — and even an incumbent who briefly ran as an independent; such contests disperse votes across lines and make a 90% Democratic share implausible and not reflected in reporting ^{[5] [6] [7]}.

4. Turnout, demography and precinct variation matter

National and local reporting emphasized record or high turnout in 2025 and differences by age and neighborhood: for example, about three‑quarters of NYC voters under 30 supported Mamdani according to an AP voter survey, while older voters leaned more toward Cuomo — showing that demographic splits produced varied vote shares by area rather than uniform 90% support for Democrats ^{[8] [4]}. Precinct‑level results and post‑primary cast‑vote records also demonstrate geographic variation across boroughs and districts ^{[4] [9] [10]}.

5. Where a “90%” figure might come from — not in these sources

The provided sources do not contain any statement that 90% of New York City votes Democratic in the 2025 mayoral general election or primary; they instead provide specific vote shares (e.g., ~50.4% for Mamdani in general, 56.4% in the Democratic ranked‑choice primary final round) and turnout data ^{[1] [3]}. Available sources do not mention a 90% figure as a citywide election result or as a reliable statistic ^{[1] [3]}.

6. How to interpret party dominance vs. election outcomes — competing viewpoints

One perspective (noted in encyclopedic summaries and political analysis) is that New York City's partisan registration advantage makes the Democratic nomination tantamount to victory in many races — an institutional explanation for why analysts treat the Democratic primary as decisive ^[3]. A competing viewpoint reflected in news coverage stresses that general elections still produce meaningful competition when strong independents or Republicans run and when demographic shifts alter turnout — results and precinct maps show these dynamics ^{[4] [2]}.

7. Bottom line and recommended next steps for verification

Bottom line: reporting on the 2025 NYC mayoral race does not support the statement that "90 percent of New York City votes Democrats"; instead, it documents a Democratic victory with roughly half the vote in a three‑way general election and substantial precinct and demographic variation ^{[1] [2] [4]}. If you want a definitive, citeable citywide party vote percentage, consult the certified New York City Board of Elections results page or the AP/NYT precinct totals for the specific contest and year (NYC Board of Elections and AP result pages are listed among the sources) ^{[11] [12]}.