Total private families 4,195

Farm Homes Owned. Other Homes Owned.
  Free 959 Free 622
  Encumbered 257 Encumbered 147
  Unknown 120 Unknown 81
Hired 648 Hired 1,169
Unknown 7 Unknown 185
              ----- -----
    Total 1,991 Total 2,204

Native and Foreign Born and White and Colored Population, Classified by Sex, 1900.

Native born.              Native White—­Foreign Parents.
Male                     10,634     Male                         114
Female                   11,213     Female                       121

Foreign born.                     Foreign White.
Male                         59     Male                          58
Female                       42     Female                        42

Native White—­Native Parents.             Total Colored.
Male                      7,583     Male                       2,938
Female                    8,161     Female                     2,931

In 1860, one year before the outbreak of the Civil War, the County held within its boundaries 21,774 souls:  15,021 white, 5,501 slave, and 1,252 free colored.  In number of slaves at this period Loudoun ranked thirty-sixth in the list of Virginia counties which then also included the counties now in West Virginia.  This number was distributed amongst 670 slave-holders in the following proportions: 

1 slave                  124
2 slaves                  84
3 slaves                  61
4 slaves                  83
5 slaves                  46
6 slaves                  39
7 slaves                  35
8 slaves                  27
9 slaves                  22
10 and under 15 slaves     80
15 and under 20 slaves     36
20 and under 30 slaves     23
30 and under 40 slaves      4
40 and under 50 slaves      4
50 and under 70 slaves      1
100 and under 200 slaves     1

The following table gives the population of Loudoun County decennially, from and including the first official census of 1790: 

1900       21,948
1890       23,274
1880       23,634
1870       20,929
1860       21,774
1850       22,079
1840       20,431
1830       21,939
1820       22,702
1810       21,338
1800       20,523
1790       18,952

The reports of population by magisterial districts given below, with a single exception, show an appreciable decrease between the years 1890 and 1900: 

----------------------+-------+-------
| 1900. | 1890.
----------------------+-------+-------
Broad Run district    | 3,309 | 3,463
Jefferson district    | 3,106 | 3,307
Leesburg district     | 4,299 | 4,246
Lovettsville district | 3,104 | 3,210
Mercer district       | 4,010 | 4,570
Mt.  Gilead district   | 4,120 | 4,478
----------------------+-------+-------

The following incorporated towns for the same period are charged with a corresponding decrease in the number of their inhabitants: