Kaynardzha Municipality (Bulgarian: Община Кайнарджа) is a municipality (obshtina) in Silistra Province, Northeastern Bulgaria, located in the Danubian Plain, in the area of the South Dobrudzha geographical region, bounded on the north with Romania. The Danube river is about 25 km away to the north through the Romanian territory. The area is named after its administrative centre – the village of Kaynardzha.

The municipality embraces a territory of 314.96 km with a population of 5,250 inhabitants, as of December 2009.

The main road II-71 crosses the area from northwest to southeast, connecting the province centre of Silistra with the city of Dobrich.

Kaynardzha Municipality includes the following 15 places all of them villages:

Town/Village	Cyrillic	Population (December 2009)	Population (December 2016)
Kaynardzha	Кайнарджа	783	610
Davidovo	Давидово	177	200
Dobrudzhanka	Добруджанка	136	112
Golesh	Голеш	1,370	1,533
Gospodinovo	Господиново	40	n/a
Kamentsi	Каменци	47	n/a
Kranovo	Краново	173	89
Polkovnik Cholakovo	Полковник Чолаково	217	245
Poprusanovo	Попрусаново	41	n/a
Posev	Посев	153	166
Svetoslav	Светослав	133	96
Sredishte	Средище	1,318	1,363
Strelkovo	Стрелково	32	n/a
Voynovo	Войново	180	127
Zarnik	Зарник	450	496
Total		5,250	5,115

The following table shows the change of the population during the last four decades.

Kaynardzha Municipality
Year	1975	1985	1992	2001	2005	2007	2009	2011
Population	8,487	6,467	6,128	5,467	5,409	5,367	5,250	5,070
Sources: Census 2001, Census 2011, „pop-stat.mashke.org“,

As of 2016, it is one of the few places in Bulgaria with a natural population growth: there were a total of 87 live births, while 66 people died. The crude birth rate is 17.0‰, while the crude death rate is around 12.9‰. The municipality of Kaynardzha has a total fertility rate of 2.57 children per woman, which is much higher than the average for the country (1.54 children per woman).

	Population	Live births	Deaths	Natural growth	Birth rate (‰)	Death rate (‰)	Natural growth rate (‰)
2000	6,157	84	99	−15	13.6	16.1	−2.4
2001	5,485	89	103	−14	16.2	18.8	−2.6
2002	5,427	70	98	−28	12.9	18.1	−5.2
2003	5,419	85	102	−17	15.7	18.8	−3.1
2004	5,391	99	92	+7	18.4	17.1	+1.3
2005	5,409	79	83	−4	14.6	15.3	−0.7
2006	5,401	91	85	+6	16.8	15.7	+1.1
2007	5,367	78	71	+7	14.5	13.2	+1.3
2008	5,300	87	72	+15	16.4	13.6	+2.8
2009	5,250	89	73	+16	17.0	13.9	+3.0
2010	5,175	92	80	+12	17.8	15.5	+2.3
2011	5,059	81	93	−12	16.0	18.4	−2.4
2012	5,081	80	73	+7	15.7	14.4	+1.4
2013	5,102	95	68	+27	18.6	13.3	+5.3
2014	5,096	79	54	+25	15.5	10.6	+4.9
2015	5,107	71	61	+10	13.9	11.9	+2.0
2016	5,115	87	66	+21	17.0	12.9	+4.1
2017	5,099	80	85	−5	15.7	16.7	−1.0
2018	5,076	61	63	−2	12.0	12.4	-0.4

Turks form the majority of the population of Kaynardzha Municipality. Bulgarians constitutie the largest minority, followed by a large Roma population.

In 2011, about 67.8% of the total population declared to be Muslim. The municipality of Kaynardzha has the highest share of Shia people in Bulgaria: around 52% of the population declared to be Shia in the census of 2001. About 27% of the population belong to the Bulgarian Orthodox Church.

Population of Kaynardzha (municipality) by religion Muslims   67.8% Orthodox   27.4% No religion   2.3% Protestants   0.1% prefer not to answer   2.2%

The municipality of Kaynardzha has a very young population compared to other places in Bulgaria.

Population pyramid 2016 (est.)
% Males Age Females % n/d   85+   n/d 1.33   80–84   1.43 0.98   75–79   1.45 1.66   70–74   2.29 2.11   65–69   2.23 2.29   60–64   2.21 2.50   55–59   2.44 3.23   50–54   2.39 3.42   45–49   3.58 3.05   40–44   3.03 3.36   35–39   2.89 3.52   30–34   2.82 4.29   25–29   3.40 3.62   20–24   3.52 3.54   15–19   3.19 3.93   10–14   3.85 4.34   5–9   4.34 3.73   0–4   4.09

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