Unna I

143 Unna I
143 Unna I
Electoral district; for the Bundestag
	Unna I in 2025
State	North Rhine-Westphalia
Population	252,900 (2019)
Electorate	194,493 (2021)
Major settlements	Unna; Bergkamen; Schwerte
Area	347.3 km2
Current electoral district
Created	1965
Party	SPD
Member	Oliver Kaczmarek
Elected	2009, 2013, 2017, 2021, 2025

StateNorth Rhine-Westphalia

Population252,900 (2019)

Electorate194,493 (2021)

Major settlementsUnna
Bergkamen
Schwerte

Unna I is an electoral constituency (German: Wahlkreis) represented in the Bundestag. It elects one member via first-past-the-post voting. Under the current constituency numbering system, it is designated as constituency 143. It is located in the Ruhr region of North Rhine-Westphalia, comprising the southern part of the district of Unna.^[1]

Unna I was created for the 1965 federal election. Since 2009, it has been represented by Oliver Kaczmarek of the Social Democratic Party (SPD).^[2]

[1]

[2]

Election	No.	Name	Borders
1965	123	Unna	Unna district
1969
1972
1976
1980	116	Unna I	Unna district (only Bergkamen, Bönen, Fröndenberg, Holzwickede, Kamen, Schwerte, and Unna municipalities)
1983
1987
1990
1994
1998
2002	145
2005
2009
2013	144
2017
2021
2025	143

	Member	Party	%
1965	Manfred Schulte	SPD	54.0
1969			57.4
1972			64.1
1976			59.5
1980			59.1
1983			55.0
1987	Ulrich Böhme	SPD	55.4
1990			52.9
1994			55.5
1998	Rolf Stöckel	SPD	59.3
2002			56.4
2005			54.8
2009	Oliver Kaczmarek	SPD	42.6
2013			46.7
2017			38.8
2021			40.8
2025			31.8

Federal election (2025): Unna I^[3]
Notes:		Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively.
Party		Candidate		Votes	%	±%	Party votes	%	±%
	SPD	Y Oliver Kaczmarek		49,685	31.8	9.0	38,636	24.7	11.7
	CDU	Tilman Rademacher		46,506	29.8	4.7	42,844	27.4	5.6
	AfD	Friederike Hagelstein		29,075	18.6	10.6	29,411	18.8	11.0
	Greens	Michael Sacher		14,058	9.0	4.9	16,275	10.4	3.2
	Left	Oliver Schröder		9,491	6.1	2.9	11,269	7.2	3.7
	BSW						6,254	4.0
	FDP	Benjamin Lehmkühler		3,973	2.5	3.7	5,436	3.5	6.9
	Tierschutzpartei						2,489	1.6	0.2
	Volt	Christina Emler		1,948	1.2		948	0.6	0.4
	BD	Sebastian Rühling		535	0.4		534	0.4	0.2
	PARTEI						923	0.6	0.6
	FW					1.3	716	0.5	0.3
	dieBasis					1.0	289	0.2	0.6
	Team Todenhöfer						245	0.2	0.4
	PdF						229	0.1	0.1
	Values						73	0.0
	Pirates						534	0.4	0.2
	MLPD					0.1	54	0.0	0.0
	MERA25						45	0.0
	Gesundheitsforschung								0.1
	Humanists								0.1
	Bündnis C								0.1
	ÖDP							0.0	0.0
	SGP								0.0
Informal votes				1,412			976
Total valid votes				156,059			156,495
Turnout				157,471	82.7	6.5
	SPD hold		Majority	3,179	2.0	11.0

Federal election (2021): Unna I^[4]
Notes:		Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively.
Party		Candidate		Votes	%	±%	Party votes	%	±%
	SPD	Y Oliver Kaczmarek		59,869	40.8	2.0	53,490	36.4	2.8
	CDU	Hubert Hüppe		36,810	25.1	6.7	31,995	21.8	5.4
	Greens	Michael Sacher^[a]		20,340	13.9	7.4	20,022	13.6	6.8
	AfD	Ulrich Lehmann		11,736	8.0	1.1	11,428	7.8	2.0
	FDP	Suat Gülden		9,137	6.2	0.2	15,286	10.4	1.1
	Left	Andreas Meier		4,731	3.2	2.2	5,154	3.5	3.4
	Tierschutzpartei						2,562	1.7	0.8
	PARTEI						1,740	1.2	0.4
	FW	Thomas Cieszynski		1,967	1.3	0.7	1,088	0.7	0.4
	dieBasis	Artur Helios		1,451	1.0		1,151	0.8
	Team Todenhöfer						823	0.6
	Independent	Nadine Peiler		535	0.4
	Pirates						534	0.4	0.2
	Volt						331	0.2
	LIEBE						211	0.1
	Gesundheitsforschung						193	0.1	0.0
	LfK						175	0.1
	NPD						144	0.1	0.2
	Humanists						107	0.1	0.0
	V-Partei3						102	0.1	0.0
	Bündnis C						89	0.1
	du.						76	0.1
	ÖDP						72	0.0	0.0
	MLPD	Tobias Thylmann		185	0.1	0.0	64	0.0	0.0
	PdF						45	0.0
	DKP						24	0.0	0.0
	LKR						19	0.0
	SGP						11	0.0	0.0
Informal votes				1,322			1,147
Total valid votes				146,761			146,936
Turnout				148,083	76.1	0.1
	SPD hold		Majority	23,059	15.7	8.7

Federal election (2017): Unna I^[5]
Notes:		Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively.
Party		Candidate		Votes	%	±%	Party votes	%	±%
	SPD	Y Oliver Kaczmarek		58,019	38.8	7.8	50,205	33.6	7.4
	CDU	Hubert Hüppe		47,452	31.8	4.1	40,697	27.2	4.7
	AfD	Andreas Handt		13,558	9.1		14,689	9.8	6.1
	FDP	Heike Schaumann		9,635	6.4	4.7	17,196	11.5	7.5
	Greens	Michael Sacher		9,600	6.4	0.8	10,254	6.9	1.0
	Left	Ruth Tietz		8,048	5.4	0.1	10,313	6.9	0.7
	Tierschutzpartei						1,376	0.9
	PARTEI						1,146	0.8	0.4
	Pirates	Marcel Stephan Clostermann		1,565	1.0	1.4	804	0.5	1.6
	AD-DEMOKRATEN						717	0.5
	FW	Thomas Cieszynski		941	0.6	0.3	561	0.4	0.2
	NPD						463	0.3	0.7
	Independent	Jürgen Mollik		406	0.3
	Gesundheitsforschung						166	0.1
	Volksabstimmung						165	0.1	0.1
	V-Partei³						148	0.1
	DM						143	0.1
	DiB						122	0.1
	ÖDP						115	0.1	0.0
	BGE						97	0.1
	MLPD	Tobias Michael Karl Thylmann		161	0.1		88	0.1	0.0
	Die Humanisten						76	0.1
	SGP						20	0.0	0.0
	DKP						19	0.0
Informal votes				1,446			1,251
Total valid votes				149,385			149,580
Turnout				150,831	76.2	2.2
	SPD hold		Majority	10,567	7.0	3.9

Unna I

History

Members

Election results

2025 election

2021 election

2017 election

2013 election

2009 election

2005 election

Notes

References

Related Articles

143 Unna I
Electoral district for the Bundestag
Unna I in 2025
State	North Rhine-Westphalia
Population	252,900 (2019)
Electorate	194,493 (2021)
Major settlements	Unna Bergkamen Schwerte
Area	347.3 km²
Current electoral district
Created	1965
Party	SPD
Member	Oliver Kaczmarek
Elected	2009, 2013, 2017, 2021, 2025

v t e Electoral districts of North Rhine-Westphalia in the German Bundestag
Current	Aachen I Aachen II Heinsberg Düren Rhein-Erft-Kreis I Euskirchen – Rhein-Erft-Kreis II Cologne I Cologne II Cologne III Bonn Rhein-Sieg-Kreis I Rhein-Sieg-Kreis II Oberbergischer Kreis Rheinisch-Bergischer Kreis Leverkusen – Cologne IV Wuppertal I Solingen – Remscheid – Wuppertal II Mettmann I Mettmann II Düsseldorf I Düsseldorf II Neuss I Mönchengladbach Krefeld I – Neuss II Viersen Kleve Wesel I Krefeld II – Wesel II Duisburg I Duisburg II Oberhausen – Wesel III Mülheim – Essen I Essen II Essen III Recklinghausen I Recklinghausen II Gelsenkirchen Steinfurt I – Borken I Bottrop – Recklinghausen III Borken II Coesfeld – Steinfurt II Steinfurt III Münster Warendorf Gütersloh I Bielefeld – Gütersloh II Herford – Minden-Lübbecke II Minden-Lübbecke I Lippe I Höxter – Gütersloh III – Lippe II Paderborn Hagen – Ennepe-Ruhr-Kreis I Ennepe-Ruhr-Kreis II Bochum I Herne – Bochum II Dortmund I Dortmund II Unna I Hamm – Unna II Soest Hochsauerlandkreis Siegen-Wittgenstein Olpe – Märkischer Kreis I Märkischer Kreis II
Other states	Baden-Württemberg Bavaria‎ Berlin Brandenburg‎ Bremen Hamburg‎ Hesse Lower Saxony Mecklenburg-Vorpommern Rhineland-Palatinate‎ Saarland Saxony‎ Saxony-Anhalt‎ Schleswig-Holstein‎ Thuringia‎
See also	List of Bundestag constituencies Elections in Germany