Tvarditsa

Area of Tvarditsa	441.8 km²
Population	12,604
Male Population	6,308 (50.1%)
Female Population	6,296 (49.9%)
Population change from 1975 to 2015	-23.9%
Population change from 2000 to 2015	-14%
Median Age	38.7 years
Male Median Age	36.8 years
Female Median Age	40.7 years
Timezone	Eastern European Summer Time

Map of Tvarditsa

Population Over Time

Years 1975 to 2015

Data	1975	1990	2000	2015
Population	16,567	16,487	14,651	12,604
Population Density	37.5 / km²	37.3 / km²	33.2 / km²	28.5 / km²

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Population change from 2000 to 2015

Decrease of 14% from year 2000 to 2015

Location	Change since 1975	Change since 1990	Change since 2000
Tvarditsa	-23.9%	-23.6%	-14%
Sliven Province	-23.6%	-23.7%	-14.4%
Bulgaria	-18%	-18.9%	-10.6%

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Median Age

Median Age: 38.7 years

Location	Median Age	Median Age (Male)	Median Age (Female)
Tvarditsa	38.7 years	36.8 years	40.7 years
Sliven Province	40.9 years	38.8 years	43 years

Sources: CIESIN (Center for International Earth Science Information Network)

Population By Age and Gender

Tvarditsa Population Tree

Age	Male	Female	Total
Under 5	439	430	869
5-9	438	435	873
10-14	387	376	764
15-19	448	402	851
20-24	416	370	786
25-29	426	362	789
30-34	450	347	797
35-39	405	379	785
40-44	387	343	731
45-49	405	378	784
50-54	438	357	795
55-59	398	431	829
60-64	393	410	804
65-69	288	360	649
70-74	243	326	570
75-79	196	299	496
80-84	103	176	280
85 Plus	47	114	161

Sources: CIESIN (Center for International Earth Science Information Network)

Population Density

Population Density: 28.5 / km²

Location	Population	Area	Population Density
Tvarditsa	12,604	441.8 km²	28.5 / km²
Sliven Province	188,020	3,525 km²	53.3 / km²

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Historical and Projected Population

Estimated Ancient Population until 2100

Year	Est. Population	Avg 10 Year Growth %	Avg 10 Year Growth
0	3,074	n/a	n/a
100	3,996	2.7%	92
200	4,918	2.1%	92
300	4,457	-1%	-46
400	3,996	-1.1%	-46
500	3,535	-1.2%	-46
600	3,074	-1.4%	-46
700	3,074	0%	0
800	3,074	0%	0
900	3,996	2.7%	92
1000	4,918	2.1%	92
1100	5,349	0.8%	43
1200	5,718	0.7%	36
1300	6,148	0.7%	43
1400	3,382	-5.8%	-276
1500	4,918	3.8%	153
1600	7,685	4.6%	276
1700	7,685	0%	0
1800	9,607	2.3%	192
1900	10,545	0.9%	93
1910	11,682	10.8%	1,137
1920	12,429	6.4%	747
1930	14,149	13.8%	1,720
1940	15,163	7.2%	1,014
1950	15,916	5%	753
1960	16,351	2.7%	435
1970	16,686	2%	335
1990	16,487	-0.6%	-99
2000	14,651	-11.1%	-1,836
2020	12,025	-9.4%	-1,313
2030	11,166	-7.1%	-859
2040	10,511	-5.9%	-655
2050	9,972	-5.1%	-539
2060	9,507	-4.7%	-465
2070	9,009	-5.2%	-498
2080	8,485	-5.8%	-524
2090	7,974	-6%	-511
2100	7,468	-6.3%	-506

Sources:
1. JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
2. CIESIN (Center for International Earth Science Information Network)
3. [Link] Klein Goldewijk, K., Beusen, A., Doelman, J., and Stehfest, E.: Anthropogenic land use estimates for the Holocene – HYDE 3.2, Earth Syst. Sci. Data, 9, 927–953, https://doi.org/10.5194/essd-9-927-2017, 2017.

Human Development Index (HDI)

Statistic composite index of life expectancy, education, and per capita income.

Sources: [Link] Kummu, M., Taka, M. & Guillaume, J. Gridded global datasets for Gross Domestic Product and Human Development Index over 1990–2015. Sci Data 5, 180004 (2018) doi:10.1038/sdata.2018.4

Top Neighborhoods in Tvarditsa

Neighborhoods and Areas of Tvarditsa

Name	Area	Population	Population Density
Bliznets, Tvarditsa, Bulgaria	0.273 km²	189	1,791 / mi²
Borov dol, Tvarditsa, Bulgaria	0.588 km²	214	942.7 / mi²
Chervenakovo, Tvurditsa, Bulgaria	0.612 km²	394	1,666 / mi²
Heart, Tvarditsa, Bulgaria	0.103 km²	24	606.0 / mi²
Orizari, Tvarditsa, Bulgaria	0.663 km²	515	2,011 / mi²
Sborishte	1.568 km²	1,319	2,178 / mi²
Shivachevo	1.916 km²	2,576	3,481 / mi²
Tvarditsa, Bulgaria	4.09 km²	3,991	2,527 / mi²
Zhalt Bryag, Tvarditsa, Bulgaria	0.28 km²	117	1,083 / mi²
Бяла Паланка, Твърдица, България	0.698 km²	335	1,243 / mi²

Other Cities in Sliven Province

Name	Area	Population	Population Density
Kotel	841.6 km²	19,304	59.4 / mi²
Nova Zagora	877.9 km²	36,032	106.3 / mi²
Sliven	1,363.6 km²	120,082	228.1 / mi²
Tvarditsa	441.8 km²	12,604	73.9 / mi²

The data on this page is estimated using a number of publicly available tools and resources. It is provided without warranty, and could contain inaccuracies. Use at your own risk. See here for more information.