Türkiye Soyadları A sourced dictionary of Turkish surnames

Province·Black Sea Region·Code 81

TÜİK · ADNKS 2025

The most common surnames in Düzce

As in Türkiye as a whole, the most common surname in Düzce is Yılmaz: 8,034 people in 2025. Şahin is second with 5,106. Yılmaz has led Düzce every year since 2018.1

First place
Yılmaz
People
8,0341
ADNKS 2025
Per 1,000
19.32
Yılmaz
Population
415,6222
ADNKS 2025
Surnames listed
301

The 30 most common surnames in Düzce, 2025

RankSurnamePeoplePer 1,000National rank
01 Yılmaz 8,034 19.3 1
02 Şahin 5,106 12.3 6
03 Aydın 4,673 11.2 9
04 Öztürk 4,164 10.0 8
05 Arslan 3,831 9.2 11
06 Yıldız 3,630 8.7 5
07 Demir 3,535 8.5 3
08 Yıldırım 3,450 8.3 7
09 Çelik 3,255 7.8 4
10 Özdemir 3,096 7.4 10
11 Kaya 2,821 6.8 2
12 Çakır 2,649 6.4 24
13 Kurt 2,561 6.2 17
14 Kılıç 2,170 5.2 13
15 Acar 2,169 5.2 28
16 Yavuz 2,129 5.1 23
17 Kara 2,004 4.8 16
18 Koç 1,959 4.7 18
19 Şen 1,730 4.2 –
20 İlhan 1,722 4.1 –
21 Yüksel 1,698 4.1 –
22 Çalışkan 1,654 4.0 –
23 Keskin 1,647 4.0 –
24 Baş 1,621 3.9 –
25 Güler 1,594 3.8 –
26 Çetin 1,512 3.6 15
27 Özcan 1,473 3.5 25
28 Yalçın 1,458 3.5 –
29 Keleş 1,447 3.5 –
30 Işık 1,432 3.4 –
Source: TÜİK, ADNKS 2025, province top 30; ranks as published (ties share a rank). Per 1,000: share of the province population. National rank: place in the national top 30.1,2

How do these counts compare with Düzce’s population?

With an ADNKS population of 415,622 in 2025, about 19.3 in every 1,000 people in Düzce are called Yılmaz. The 30 listed surnames together cover 80,224 people, 19.3% of the population.1,2

Düzce lies in the Black Sea Region. According to ADNKS its population grew by 7.2% between 2018 and 2025.2

TÜİK · ADNKS 390 k 400 k 410 k 420 k 20182019202020212022202320242025 387,844 392,166 395,679 400,976 405,131 409,865 412,344 415,622 TÜİK · ADNKS 390 k 400 k 410 k 420 k ’18’20’22’24’25 387,844 392,166 395,679 400,976 405,131 409,865 412,344 415,622
Population of Düzce, 2018–2025 Vertical axis does not start at zero.

Which surname leads in the neighbouring provinces?

  • BoluBolu: also Yılmaz, with 6,106 people in 2025, 76% of the figure in Düzce.
  • SakaryaSakarya: also Yılmaz, with 17,597 people in 2025, 2.2 times as many as in Düzce.
  • ZonguldakZonguldak: also Yılmaz, with 9,732 people in 2025, 1.2 times as many as in Düzce.

Neighbours: land borders derived from Natural Earth boundaries.3

Has Düzce’s top three changed over the years?

Year1.2.3.
2018 Yılmaz 7,638Şahin 4,700Aydın 4,355
2019 Yılmaz 7,686Şahin 4,728Aydın 4,428
2020 Yılmaz 7,769Şahin 4,799Aydın 4,480
2021 Yılmaz 7,821Şahin 4,816Aydın 4,521
2022 Yılmaz 7,857Şahin 4,904Aydın 4,617
2023 Yılmaz 7,896Şahin 5,028Aydın 4,626
2024 Yılmaz 7,944Şahin 5,059Aydın 4,648
2025 Yılmaz 8,034Şahin 5,106Aydın 4,673

Sources

  1. 1Türkiye İstatistik Kurumu (TÜİK) · ADNKS, TÜİK Nüfus İsim Portalı: En çok kullanılan soyisimler (ADNKS)
  2. 2Türkiye İstatistik Kurumu (TÜİK) · ADNKS, TÜİK ADNKS: Cinsiyete göre nüfus, Türkiye ve 81 il
  3. 3Natural Earth, Natural Earth: Admin-1 boundaries