In 2011, it had a population of 432,054 and the population density was 70.7/km2.
Romanians – 97%
Romani – under 3% declared, and others.
Year
County population
1948
430,225
1956
465,829
1966
480,951
1977
508,424
1992
516,307
2002
496,214
2011
432,054
Geography
This county has a total area of 6,103 km2. In the North Side there are the mountains from the southern end of the Eastern Carpathians group – the Vrancea Mountains and the Buzău Mountains with heights over 1,700 m. The heights decrease in the South and East passing through the subcarpathian hills to the Bărăgan Plain at about 80 m. The main river crossing the county is the Buzău River which collects many small rivers from the mountains and flows to the East into the Siret River.
Buzău County has 2 municipalities, 3 towns and 82 communes.
Municipalities
*Buzău – capital city; population: 108,384
*Râmnicu Sărat
Towns
*Nehoiu
*Pătârlagele
*Pogoanele
Communes
*Amaru
*Bălăceanu
*Balta Albă
*Beceni
*Berca
*Bisoca
*Blăjani
*Boldu
*Bozioru
*Brădeanu
*Brăești
*Breaza
*Buda
*C.A. Rosetti
*Calvini
*Cănești
*Cătina
*Cernătești
*Chiliile
*Chiojdu
*Cilibia
*Cislău
*Cochirleanca
*Colți
*Costești
*Cozieni
*Florica
*Gălbinași
*Gherăseni
*Ghergheasa
*Glodeanu Sărat
*Glodeanu-Siliștea
*Grebănu
*Gura Teghii
*Largu
*Lopătari
*Luciu
*Măgura
*Mărăcineni
*Mărgăritești
*Mânzălești
*Merei
*Mihăilești
*Movila Banului
*Murgești
*Năeni
*Odăile
*Padina
*Pardoși
*Pănătău
*Pârscov
*Pietroasele
*Podgoria
*Poșta Câlnău
*Puiești
*Racovițeni
*Râmnicelu
*Robeasca
*Rușețu
*Săgeata
*Săhăteni
*Săpoca
*Sărulești
*Scorțoasa
*Scutelnici
*Siriu
*Smeeni
*Stâlpu
*Tisău
*Topliceni
*Țintești
*Ulmeni
*Unguriu
*Vadu Pașii
*Valea Râmnicului
*Valea Salciei
*Vâlcelele
*Vernești
*Vintilă Vodă
*Viperești
*Zărnești
*Ziduri
Historical county
Historically, the county was located in the central-southern part of Greater Romania, in the northeastern part of the historical region of Muntenia. Its territory included the southern and western parts of today's Buzău County and several localities that are today in Prahova County, including the town of Mizil. It was bordered on the west by Prahova County, to the north by the counties of Brașov, Trei-Scaune, and Putna, to the east by the counties of Râmnicu Sărat and Brăila, and to the south by Ialomița County.
Administration
The county has seen multiple subdivisions administratively. At the end of the 19th century, the county was subdivided into six districts :
Plasa Sărata, with the town of Buzău and 16 communes
Plasa Câmpului, with 14 communes
Plasa Tohani, with the town of Mizil and 17 communes
According to the 1930 census data, the county population was 309,405 inhabitants, ethnically divided as follows: 97.4% Romanians, 1.5% Romanies, 0.5% Jews, as well as other minorities. From the religious point of view, the population was 98.9% Eastern Orthodox, 0.5% Jewish, as well as other minorities.
Urban population
In 1930, the county's urban population was 42,127 inhabitants, comprising 91.2% Romanians, 3.7% Jews, 2.3% Romanies, 0.9% Hungarians, as well as other minorities. From the religious point of view, the urban population was composed of 93.3% Eastern Orthodox, 3.9% Jewish, 1.0% Roman Catholic, as well as other minorities.