In 1891, county had a population of 130,008 people.
Population by language:
Hungarian: 110,799 people (86%)
Romanian: 17,360 people (13.4%)
German: 511 people (0.4%)
Slovak: 251 people (0.2%)
In 1900, the county had a population of 137,261 people and was composed of the following linguistic communities:
Total:
Hungarian: 116,755 (85.1%)
Romanian: 19,439 (14.2%)
German: 363 (0.2%)
Slovak: 210 (0.1%)
Ruthenian: 98 (0.0%)
Croatian: 12 (0.0%)
Serbian: 1 (0.0%)
Other or unknown: 383 (0.3%)
According to the census of 1900, the county was composed of the following religious communities:
Total:
Calvinist: 57,861 (42.2%)
Roman Catholic: 45,681 (33.3%)
Eastern Orthodox: 24,761 (18.0%)
Unitarian: 5,102 (3.7%)
Greek Catholic: 2,465 (1.8%)
Jewish: 901 (0.7%)
Lutheran: 456 (0.3%)
Other or unknown: 34 (0.0%)
In 1910, county had a population of 148,080 people and was composed of the following linguistic communities:
Total:
Hungarian: 123,518 (83.4%)
Romanian: 22,963 (15.5%)
German: 617 (0.4%)
Slovak: 202 (0.1%)
Ruthenian: 144 (0.1%)
Croatian: 15 (0.0%)
Serbian: 14 (0.0%)
Other or unknown: 607 (0.4%)
According to the census of 1910, the county was composed of the following religious communities:
Total:
Calvinist: 60,030 (40.5%)
Roman Catholic: 49,654 (33.5%)
Eastern Orthodox: 28,077 (19.0%)
Unitarianist: 5,228 (3.5%)
Greek Catholic: 3,052 (2.1%)
Jewish: 1,222 (0.8%)
Lutheran: 765 (0.5%)
Other or unknown: 52 (0.0%)
In 1891, county had a population of 130,008 people. Population by language:
Hungarian: 110,799 people (86%)
Romanian: 17,360 people (13.4%)
German: 511 people (0.4%)
Slovak: 251 people (0.2%)
In 1900, the county had a population of 137,261 people and was composed of the following linguistic communities:
Total:
Hungarian: 116,755 (85.1%)
Romanian: 19,439 (14.2%)
German: 363 (0.2%)
Slovak: 210 (0.1%)
Ruthenian: 98 (0.0%)
Croatian: 12 (0.0%)
Serbian: 1 (0.0%)
Other or unknown: 383 (0.3%)
According to the census of 1900, the county was composed of the following religious communities:
Total:
Calvinist: 57,861 (42.2%)
Roman Catholic: 45,681 (33.3%)
Eastern Orthodox: 24,761 (18.0%)
Unitarian: 5,102 (3.7%)
Greek Catholic: 2,465 (1.8%)
Jewish: 901 (0.7%)
Lutheran: 456 (0.3%)
Other or unknown: 34 (0.0%)
In 1910, county had a population of 148,080 people and was composed of the following linguistic communities:
Total:
Hungarian: 123,518 (83.4%)
Romanian: 22,963 (15.5%)
German: 617 (0.4%)
Slovak: 202 (0.1%)
Ruthenian: 144 (0.1%)
Croatian: 15 (0.0%)
Serbian: 14 (0.0%)
Other or unknown: 607 (0.4%)
According to the census of 1910, the county was composed of the following religious communities:
Total:
Calvinist: 60,030 (40.5%)
Roman Catholic: 49,654 (33.5%)
Eastern Orthodox: 28,077 (19.0%)
Unitarianist: 5,228 (3.5%)
Greek Catholic: 3,052 (2.1%)
Jewish: 1,222 (0.8%)
Lutheran: 765 (0.5%)
Other or unknown: 52 (0.0%)
Háromszék County