Harford

200,704 active registered voters as of 2026-09. Monthly reports since 2010-01.

New registrations and removals are only reported statewide. See Maryland statewide.

Active registration by party

Democratic, Republican and unaffiliated voters, monthly

Other parties

Each party has its own scale; they are far smaller than the major parties. Gaps mean the party was not on that month's report.

Data table

Month	Active	Inactive	Party switches	Democratic	Republican	Unaffiliated	Other	Working Class	Green	Libertarian	No Labels	Bread and Roses	Americans Elect	Constitution	Independent
2026-09	200,704	11,505	341	65,018	83,194	48,711	3,303	256	222	–	–	–	–	–	–
2026-08	200,399	11,587	708	64,801	83,226	48,616	3,292	248	216	–	–	–	–	–	–
2026-07	199,112	11,787	300	64,318	83,006	48,041	3,306	231	210	–	–	–	–	–	–
2026-06	199,722	11,056	344	64,467	83,255	48,225	3,336	230	209	–	–	–	–	–	–
2026-05	199,708	10,487	766	64,508	83,059	48,351	3,350	229	211	–	–	–	–	–	–
2026-04	199,200	10,575	507	64,446	82,614	48,342	3,362	222	214	–	–	–	–	–	–
2026-03	198,760	10,664	517	64,343	82,479	48,158	3,358	214	208	–	–	–	–	–	–
2026-02	198,290	10,738	408	64,222	82,391	47,895	3,366	209	207	–	–	–	–	–	–
2026-01	198,460	10,368	373	64,334	82,509	47,847	3,369	199	202	–	–	–	–	–	–
2025-12	198,189	10,453	284	64,292	82,497	47,642	3,365	196	197	–	–	–	–	–	–
2025-11	198,921	9,711	286	64,578	82,853	47,699	3,408	190	193	–	–	–	–	–	–
2025-10	198,528	9,593	408	64,479	82,742	47,535	3,401	182	189	–	–	–	–	–	–
2025-09	198,304	9,564	440	64,559	82,635	47,357	3,392	174	187	–	–	–	–	–	–
2025-08	198,539	9,023	249	64,693	82,773	47,293	3,423	170	187	–	–	–	–	–	–
2025-07	198,214	8,882	248	64,636	82,706	47,102	3,418	168	184	–	–	–	–	–	–
2025-06	197,755	8,877	248	64,494	82,637	46,857	3,432	156	179	–	–	–	–	–	–
2025-05	197,571	8,617	203	64,493	82,621	46,686	3,450	145	176	–	–	–	–	–	–
2025-04	197,114	8,556	247	64,412	82,513	46,419	3,459	139	172	–	–	–	–	–	–
2025-03	197,278	7,997	318	64,500	82,632	46,354	3,489	134	169	–	–	–	–	–	–
2025-02	196,982	7,968	297	64,526	82,547	46,108	3,509	132	160	–	–	–	–	–	–
2025-01	197,459	7,458	316	64,849	82,755	46,022	3,671	–	162	–	–	–	–	–	–
2024-12	197,740	7,252	731	65,110	82,836	45,957	1,986	–	165	1,298	388	–	–	–	–
2024-11	197,892	13,494	790	65,362	82,838	45,869	2,007	–	168	1,310	338	–	–	–	–
2024-10	196,122	14,022	708	64,869	82,006	45,434	2,030	–	162	1,295	326	–	–	–	–
2024-09	195,148	14,304	700	64,575	81,530	45,260	2,053	–	158	1,295	277	–	–	–	–
2024-08	194,008	14,507	534	64,238	81,051	44,987	2,046	–	158	1,294	234	–	–	–	–
2024-07	193,272	14,580	570	64,052	80,784	44,749	2,216	–	–	1,277	194	–	–	–	–
2024-06	193,351	14,114	799	64,201	80,792	44,680	2,233	–	–	1,285	160	–	–	–	–
2024-05	193,541	12,708	298	64,524	80,880	44,543	2,238	–	–	1,273	83	–	–	–	–
2024-04	193,577	12,761	691	64,534	80,783	44,713	2,256	–	–	1,275	16	–	–	–	–
2024-03	193,107	12,869	465	64,422	80,499	44,691	2,236	–	–	1,254	5	–	–	–	–
2024-02	192,666	12,988	632	64,423	80,394	44,372	2,231	–	–	1,244	2	–	–	–	–
2024-01	192,326	13,023	624	64,624	80,276	43,971	2,217	–	–	1,238	0	–	–	–	–
2023-12	192,371	12,671	247	64,916	80,227	43,778	2,210	–	–	1,240	–	–	–	–	–
2023-11	192,004	12,764	273	64,892	80,116	43,558	2,201	–	–	1,237	–	–	–	–	–
2023-10	192,165	12,395	286	65,063	80,209	43,461	2,191	–	–	1,241	–	–	–	–	–
2023-09	191,756	12,368	213	65,008	80,110	43,244	2,168	–	–	1,226	–	–	–	–	–
2023-08	191,979	11,905	255	65,194	80,213	43,184	2,167	–	–	1,221	–	–	–	–	–
2023-07	191,995	11,495	236	65,236	80,302	43,068	2,161	–	–	1,228	–	–	–	–	–
2023-06	191,465	11,444	280	65,090	80,196	42,798	2,153	–	–	1,228	–	–	–	–	–
2023-05	191,554	10,975	221	65,219	80,325	42,630	2,154	–	–	1,226	–	–	–	–	–
2023-04	191,108	10,981	226	65,119	80,265	42,372	2,142	–	–	1,210	–	–	–	–	–
2023-03	190,980	10,999	189	65,111	80,291	42,217	2,148	–	–	1,213	–	–	–	–	–
2023-02	191,196	10,538	175	65,291	80,419	42,130	2,142	–	–	1,214	–	–	–	–	–
2023-01	191,501	10,075	241	65,474	80,609	42,076	1,641	231	252	1,218	–	–	–	–	–
2022-12	190,128	11,107	460	65,098	80,210	41,536	1,629	221	245	1,189	–	–	–	–	–
2022-11	192,451	13,103	415	65,978	81,112	42,015	1,662	213	250	1,221	–	–	–	–	–
2022-10	191,761	13,286	432	65,767	80,824	41,852	1,657	209	246	1,206	–	–	–	–	–
2022-09	191,408	13,412	553	65,717	80,695	41,705	1,647	200	248	1,196	–	–	–	–	–
2022-08	190,736	13,526	1,148	65,520	80,458	41,481	1,657	191	244	1,185	–	–	–	–	–
2022-07	190,022	13,115	32	65,412	80,050	41,301	1,654	178	243	1,184	–	–	–	–	–
2022-06	190,131	13,153	1,231	65,468	80,064	41,340	1,655	178	243	1,183	–	–	–	–	–
2022-05	189,135	13,285	391	65,171	79,288	41,371	1,718	165	240	1,182	–	–	–	–	–
2022-04	188,527	13,408	272	65,069	79,004	41,173	1,707	158	236	1,180	–	–	–	–	–
2022-03	188,159	13,493	548	65,063	78,837	41,009	1,690	150	236	1,174	–	–	–	–	–
2022-02	189,436	11,945	508	65,838	79,384	40,988	1,688	134	236	1,168	–	–	–	–	–
2022-01	189,339	11,727	273	66,025	79,392	40,732	1,682	119	238	1,151	–	–	–	–	–
2021-12	188,713	11,726	300	65,891	79,207	40,457	1,615	113	234	1,139	–	57	–	–	–
2021-11	188,197	11,768	282	65,781	79,065	40,217	1,611	108	232	1,126	–	57	–	–	–
2021-10	188,660	11,120	278	66,018	79,318	40,197	1,611	105	232	1,124	–	55	–	–	–
2021-09	188,357	11,265	282	66,025	79,216	40,015	1,601	100	236	1,109	–	55	–	–	–
2021-08	188,873	10,457	326	66,247	79,512	40,022	1,610	95	236	1,092	–	59	–	–	–
2021-07	188,137	10,578	345	66,068	79,331	39,693	1,593	90	235	1,070	–	57	–	–	–
2021-06	188,469	9,925	327	66,302	79,552	39,593	1,590	90	233	1,053	–	56	–	–	–
2021-05	188,088	9,948	326	66,211	79,498	39,379	1,581	87	232	1,044	–	56	–	–	–
2021-04	188,252	9,485	312	66,292	79,734	39,233	1,575	87	233	1,042	–	56	–	–	–
2021-03	187,749	9,574	289	66,183	79,633	38,949	1,574	84	232	1,039	–	55	–	–	–
2021-02	188,173	9,011	313	66,344	79,897	38,944	1,579	84	234	1,037	–	54	–	–	–
2021-01	188,860	8,339	572	66,581	80,333	38,974	1,567	84	236	1,032	–	53	–	–	–
2020-12	189,876	7,453	456	66,906	81,149	38,892	1,554	80	237	1,006	–	52	–	–	–
2020-11	190,746	10,043	603	67,338	81,424	39,067	1,548	83	239	995	–	52	–	–	–
2020-10	189,427	10,344	996	66,922	80,883	38,751	1,544	71	234	972	–	50	–	–	–
2020-09	187,691	10,635	1,629	66,365	80,275	38,285	1,540	54	215	907	–	50	–	–	–
2020-08	185,980	10,914	1,400	65,878	79,561	37,847	1,566	32	212	838	–	46	–	–	–
2020-07	184,685	10,937	663	65,475	79,061	37,521	2,572	18	–	–	–	38	–	–	–
2020-06	185,973	9,076	386	65,998	79,568	37,786	2,581	7	–	–	–	33	–	–	–
2020-05	185,675	9,143	467	65,855	79,477	37,737	2,569	5	–	–	–	32	–	–	–
2020-04	185,159	9,180	193	65,553	79,238	37,759	2,578	0	–	–	–	31	–	–	–
2020-03	185,077	9,212	606	65,518	79,237	37,740	2,552	–	–	–	–	30	–	–	–
2020-02	184,560	9,306	744	65,153	79,099	37,704	2,575	–	–	–	–	29	–	–	–
2020-01	184,072	9,393	483	64,830	78,988	37,651	2,576	–	–	–	–	27	–	–	–
2019-12	183,633	9,481	366	64,723	78,819	37,489	2,575	–	–	–	–	27	–	–	–
2019-11	183,968	9,036	270	64,887	78,955	37,511	2,593	–	–	–	–	22	–	–	–
2019-10	183,639	9,088	425	64,774	78,864	37,386	2,595	–	–	–	–	20	–	–	–
2019-09	183,765	8,676	472	64,776	78,969	37,384	2,615	–	–	–	–	21	–	–	–
2019-08	183,023	8,760	412	64,527	78,704	37,150	2,622	–	–	–	–	20	–	–	–
2019-07	183,396	8,109	444	64,637	79,006	37,090	2,644	–	–	–	–	19	–	–	–
2019-06	182,861	8,127	296	64,480	78,840	36,851	2,673	–	–	–	–	17	–	–	–
2019-05	182,322	8,185	344	64,341	78,666	36,611	2,695	–	–	–	–	9	–	–	–
2019-04	182,535	7,753	395	64,491	78,744	36,543	2,753	–	–	–	–	4	–	–	–
2019-03	182,043	7,791	462	64,415	78,513	36,312	2,800	–	–	–	–	3	–	–	–
2019-02	182,879	6,696	302	64,853	78,739	36,379	2,908	–	–	–	–	0	–	–	–
2019-01	183,476	6,005	335	65,109	79,000	36,438	1,111	–	398	1,420	–	0	–	–	–
2018-12	183,711	5,654	472	65,377	79,095	36,308	1,117	–	396	1,418	–	–	–	–	–
2018-11	183,565	8,995	350	65,527	79,023	36,073	1,122	–	401	1,419	–	–	–	–	–
2018-10	182,928	9,191	727	65,275	78,832	35,888	1,122	–	403	1,408	–	–	–	–	–
2018-09	182,094	9,296	407	64,963	78,516	35,711	1,111	–	397	1,396	–	–	–	–	–
2018-08	181,228	9,368	531	64,683	78,181	35,475	1,108	–	390	1,391	–	–	–	–	–
2018-07	179,521	9,665	451	64,157	77,615	34,892	1,112	–	383	1,362	–	–	–	–	–
2018-06	179,950	9,314	291	64,385	77,616	35,077	1,116	–	382	1,374	–	–	–	–	–
2018-05	179,879	9,406	328	64,333	77,545	35,119	1,115	–	391	1,376	–	–	–	–	–
2018-04	179,493	9,456	183	64,210	77,367	35,034	1,112	–	395	1,375	–	–	–	–	–
2018-03	179,223	9,551	153	64,127	77,292	34,926	1,109	–	393	1,376	–	–	–	–	–
2018-02	178,984	9,457	148	64,047	77,235	34,822	1,114	–	391	1,375	–	–	–	–	–
2018-01	179,028	9,244	224	64,110	77,244	34,785	1,125	–	390	1,374	–	–	–	–	–
2017-12	179,054	9,226	197	64,139	77,314	34,711	1,124	–	396	1,370	–	–	–	–	–
2017-11	178,706	8,967	185	63,984	77,292	34,550	1,116	–	395	1,369	–	–	–	–	–
2017-10	178,987	8,417	201	64,119	77,433	34,565	1,115	–	393	1,362	–	–	–	–	–
2017-09	178,533	8,588	191	64,026	77,257	34,391	1,111	–	395	1,353	–	–	–	–	–
2017-08	177,993	8,893	226	63,910	77,081	34,171	1,103	–	396	1,332	–	–	–	–	–
2017-07	178,084	7,830	227	64,037	77,154	34,079	1,098	–	394	1,322	–	–	–	–	–
2017-06	178,208	7,433	230	64,107	77,230	34,062	1,090	–	396	1,323	–	–	–	–	–
2017-05	178,499	7,472	186	64,318	77,313	34,030	1,110	–	397	1,331	–	–	–	–	–
2017-04	177,880	7,519	206	64,180	77,101	33,786	1,109	–	389	1,315	–	–	–	–	–
2017-03	178,800	6,422	287	64,561	77,449	33,965	1,121	–	383	1,321	–	–	–	–	–
2017-02	178,313	6,177	220	64,456	77,350	33,704	1,123	–	378	1,302	–	–	–	–	–
2017-01	179,082	5,711	290	64,917	77,565	33,801	1,136	–	372	1,291	–	–	–	–	–
2016-12	178,584	5,672	1,037	64,824	77,386	33,591	1,145	–	368	1,270	–	–	–	–	–
2016-11	177,685	9,047	8	64,854	76,840	33,273	1,161	–	353	1,204	–	–	–	–	–
2016-10	176,966	9,234	735	64,558	76,580	33,133	1,148	–	349	1,198	–	–	–	–	–
2016-09	175,009	9,487	636	64,011	75,647	32,780	1,085	–	343	1,143	–	–	–	–	–
2016-08	173,919	9,680	447	63,778	75,131	32,541	1,043	–	330	1,096	–	–	–	–	–
2016-07	173,460	9,403	496	63,764	74,982	32,324	1,018	–	322	1,050	–	–	–	–	–
2016-06	172,769	9,265	1,459	63,684	74,679	32,045	1,028	–	302	1,031	–	–	–	–	–
2016-05	172,555	7,997	248	63,786	74,150	32,243	1,048	–	304	1,024	–	–	–	–	–
2016-04	172,119	8,040	744	63,641	73,882	32,222	1,047	–	306	1,021	–	–	–	–	–
2016-03	171,493	8,285	1,410	63,408	73,596	32,124	1,044	–	306	1,015	–	–	–	–	–
2016-02	170,413	8,353	715	62,647	72,450	32,860	1,084	–	333	1,039	–	–	–	–	–
2016-01	169,413	8,484	489	62,244	71,867	32,854	1,091	–	336	1,021	–	–	–	–	–
2015-12	169,209	8,334	369	62,256	71,643	32,837	1,110	–	339	1,024	–	–	–	–	–
2015-11	168,797	8,366	364	62,185	71,386	32,753	1,107	–	342	1,024	–	–	–	–	–
2015-10	168,304	8,390	392	62,133	71,102	32,589	1,114	–	344	1,022	–	–	–	–	–
2015-09	167,593	8,465	397	62,009	70,729	32,393	1,112	–	339	1,011	–	–	–	–	–
2015-08	167,316	8,474	329	62,043	70,468	32,324	1,129	–	343	1,009	–	–	–	–	–
2015-07	166,579	8,482	305	61,906	70,110	32,084	1,138	–	341	1,000	–	–	–	–	–
2015-06	166,057	8,564	301	61,813	69,928	31,829	1,153	–	338	996	–	–	–	–	–
2015-05	165,285	8,780	219	61,699	69,622	31,486	1,158	–	335	985	–	–	–	–	–
2015-04	164,844	8,878	244	61,614	69,435	31,337	1,164	–	329	965	–	–	–	–	–
2015-03	164,358	9,078	238	61,560	69,228	31,115	1,168	–	331	956	–	–	–	–	–
2015-02	163,973	9,081	212	61,555	69,044	30,931	1,168	–	332	943	–	–	–	–	–
2015-01	163,756	7,720	187	61,604	68,933	30,777	1,179	–	329	934	–	–	–	–	–
2014-12	167,101	5,783	202	63,054	70,102	31,439	1,221	–	335	950	–	–	–	–	–
2014-11	167,610	7,731	549	63,358	70,244	31,489	1,238	–	334	947	–	–	–	–	–
2014-10	166,665	7,974	226	63,258	69,737	31,173	1,242	–	326	929	–	–	–	–	–
2014-09	166,268	8,059	257	63,234	69,542	31,036	1,220	–	321	915	–	–	–	–	–
2014-08	165,870	8,111	232	63,227	69,405	30,816	1,206	–	318	898	–	–	–	–	–
2014-07	165,354	8,178	551	63,125	69,215	30,601	1,213	–	322	878	–	–	–	–	–
2014-06	163,972	7,798	132	62,663	68,736	30,189	1,206	–	318	860	–	–	–	–	–
2014-05	165,015	7,817	268	63,198	68,913	30,505	1,218	–	326	855	–	–	–	–	–
2014-04	164,608	7,906	231	63,160	68,698	30,367	1,211	–	328	844	–	–	–	–	–
2014-03	162,430	7,974	247	62,655	67,823	29,607	1,208	–	316	814	–	–	7	–	–
2014-02	162,216	7,940	230	62,654	67,766	29,461	1,203	–	315	810	–	–	7	–	–
2014-01	162,067	7,905	261	62,672	67,707	29,355	1,212	–	312	802	–	–	7	–	–
2013-12	162,170	7,754	213	62,804	67,747	29,288	1,214	–	310	800	–	–	7	–	–
2013-11	161,995	7,763	231	62,797	67,752	29,129	1,213	–	307	790	–	–	7	–	–
2013-10	161,748	7,665	314	62,737	67,754	28,957	1,212	–	307	774	–	–	7	–	–
2013-09	160,923	7,696	233	62,586	67,497	28,572	1,205	–	299	756	–	–	8	–	–
2013-08	160,194	7,521	247	62,295	67,277	28,369	1,202	–	297	746	–	–	8	–	–
2013-07	159,582	7,526	270	62,065	67,120	28,159	1,202	–	294	734	–	–	8	–	–
2013-06	159,868	7,685	216	62,489	67,227	27,935	1,210	–	291	708	–	–	8	–	–
2013-05	159,454	7,402	372	62,415	67,133	27,703	1,211	–	292	692	–	–	8	–	–
2013-04	159,954	7,041	396	62,791	67,310	27,652	1,219	–	294	680	–	–	8	–	–
2013-03	160,526	6,594	234	63,218	67,513	27,632	1,195	–	296	663	–	–	9	–	–
2013-02	160,000	6,644	190	63,061	67,398	27,400	1,186	–	294	653	–	–	8	–	–
2013-01	160,884	5,875	269	63,543	67,668	27,494	1,207	–	298	666	–	–	8	–	–
2012-12	162,705	7,457	575	64,355	68,392	27,738	1,220	–	314	678	–	–	8	–	–
2012-11	162,481	7,394	312	64,471	68,350	27,411	1,250	–	316	680	–	–	3	–	–
2012-10	159,999	7,984	825	63,538	67,497	26,756	1,242	–	313	650	–	–	3	–	–
2012-09	156,439	8,251	463	62,216	66,430	25,704	1,165	–	303	620	–	–	1	–	–
2012-08	155,585	8,416	258	62,058	66,209	25,550	884	–	295	588	–	–	1	–	–
2012-07	154,830	8,598	314	61,904	65,925	25,257	1,743	–	–	–	–	–	1	–	–
2012-06	154,074	8,615	229	61,775	65,662	24,893	1,743	–	–	–	–	–	1	–	–
2012-05	153,222	8,628	288	61,566	65,355	24,563	863	–	301	574	–	–	–	–	–
2012-04	152,982	8,234	417	61,622	65,241	24,380	862	–	307	570	–	–	–	–	–
2012-03	152,794	8,133	360	61,769	64,950	24,360	846	–	308	561	–	–	–	–	–
2012-02	152,224	8,222	243	61,780	64,603	24,146	826	–	311	558	–	–	–	–	–
2012-01	151,607	8,205	203	61,656	64,306	23,983	804	–	309	549	–	–	–	–	–
2011-12	150,796	8,338	87	61,536	63,887	23,733	787	–	301	552	–	–	–	–	–
2011-11	150,719	8,298	112	61,566	63,837	23,693	775	–	300	548	–	–	–	0	–
2011-10	150,308	7,980	175	61,422	63,709	23,553	776	–	298	550	–	–	–	0	–
2011-09	149,819	8,371	89	61,326	63,493	23,364	748	–	295	552	–	–	–	41	–
2011-08	150,399	7,658	124	61,657	63,703	23,395	748	–	299	556	–	–	–	41	–
2011-07	150,234	7,628	72	61,679	63,671	23,240	752	–	294	557	–	–	–	41	–
2011-06	150,051	7,514	100	61,687	63,642	23,089	752	–	287	553	–	–	–	41	–
2011-05	142,114	7,517	54	58,273	60,866	21,464	703	–	265	505	–	–	–	38	–
2011-04	149,498	9,900	68	61,668	63,441	22,770	755	–	284	541	–	–	–	39	–
2011-03	149,313	9,897	53	61,616	63,412	22,674	758	–	282	532	–	–	–	39	–
2011-02	149,356	9,652	59	61,702	63,423	22,618	761	–	280	533	–	–	–	39	–
2011-01	150,370	8,268	75	62,211	63,723	22,818	760	–	284	534	–	–	–	40	–
2010-12	150,334	8,269	85	62,292	63,720	22,717	757	–	279	530	–	–	–	39	–
2010-11	150,620	7,970	410	62,439	63,818	22,755	764	–	276	529	–	–	–	39	–
2010-10	149,097	8,233	158	62,112	63,112	22,314	735	–	274	512	–	–	–	38	–
2010-09	148,344	8,327	489	61,902	62,809	22,119	696	–	275	507	–	–	–	36	–
2010-08	147,738	8,396	395	61,919	62,260	22,059	691	–	275	497	–	–	–	37	–
2010-07	146,942	8,497	1,262	61,852	61,740	21,864	688	–	276	485	–	–	–	37	0
2010-06	146,646	8,586	715	62,020	61,390	20,713	686	–	272	481	–	–	–	28	1,056
2010-05	146,696	8,143	148	62,160	61,210	20,346	639	–	269	456	–	–	–	21	1,595
2010-04	147,963	131	155	62,825	61,598	20,610	652	–	273	466	–	–	–	19	1,520
2010-03	147,901	6,917	216	62,973	61,520	20,564	657	–	275	462	–	–	–	20	1,430
2010-02	147,859	6,891	84	63,100	61,456	20,547	657	–	274	456	–	–	–	20	1,349
2010-01	147,876	6,917	119	63,139	61,488	20,545	661	–	273	459	–	–	–	19	1,292