The Collaborative International Dictionary of English v.0.48:

Clarendon \Clar"en*don\, n.
   A style of type having a narrow and heave face. It is made in
   all sizes.
   [1913 Webster]

   Note: This line is in nonpareil Clarendon.
         [1913 Webster]

U.S. Gazetteer Counties (2000):

Clarendon -- U.S. County in South Carolina
   Population (2000):    32502
   Housing Units (2000): 15303
   Land area (2000):     607.205662 sq. miles (1572.655377 sq. km)
   Water area (2000):    88.455301 sq. miles (229.098169 sq. km)
   Total area (2000):    695.660963 sq. miles (1801.753546 sq. km)
   Located within:       South Carolina (SC), FIPS 45
   Location:             33.676878 N, 80.216816 W
   Headwords:
    Clarendon
    Clarendon, SC
    Clarendon County
    Clarendon County, SC


U.S. Gazetteer Places (2000):

Clarendon, AR -- U.S. city in Arkansas
   Population (2000):    1960
   Housing Units (2000): 925
   Land area (2000):     1.826819 sq. miles (4.731440 sq. km)
   Water area (2000):    0.120958 sq. miles (0.313281 sq. km)
   Total area (2000):    1.947777 sq. miles (5.044721 sq. km)
   FIPS code:            13990
   Located within:       Arkansas (AR), FIPS 05
   Location:             34.694035 N, 91.308411 W
   ZIP Codes (1990):     72029
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Clarendon, AR
    Clarendon


U.S. Gazetteer Places (2000):

Clarendon, PA -- U.S. borough in Pennsylvania
   Population (2000):    564
   Housing Units (2000): 239
   Land area (2000):     0.430995 sq. miles (1.116271 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.430995 sq. miles (1.116271 sq. km)
   FIPS code:            13776
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             41.781091 N, 79.095090 W
   ZIP Codes (1990):     16313
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Clarendon, PA
    Clarendon


U.S. Gazetteer Places (2000):

Clarendon, TX -- U.S. city in Texas
   Population (2000):    1974
   Housing Units (2000): 929
   Land area (2000):     2.907274 sq. miles (7.529806 sq. km)
   Water area (2000):    0.098926 sq. miles (0.256218 sq. km)
   Total area (2000):    3.006200 sq. miles (7.786024 sq. km)
   FIPS code:            15112
   Located within:       Texas (TX), FIPS 48
   Location:             34.936415 N, 100.891182 W
   ZIP Codes (1990):     79226
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Clarendon, TX
    Clarendon