Loudoun County, Virginia Census
United States 
Virginia Loudoun County Census
1810, 1820, 1830, 1840, 1850, 1860, 1870, 1880, 1900, 1910, 1920, and 1930 censuses of Loudoun County are available online. For tips on accessing census records online, see Virginia Census. If you're having trouble finding your ancestors in online indexes, try checking printed indexes. Created by local experts familiar with the area's families, these indexes are often transcribed more accurately than national indexes.
| Historical populations | ||
|---|---|---|
| Census | Pop. | %± |
| 1790 | 18,962 | — |
| 1800 | 20,523 | 8.2% |
| 1810 | 21,338 | 4.0% |
| 1820 | 22,692 | 6.3% |
| 1830 | 21,939 | −3.3% |
| 1840 | 20,431 | −6.9% |
| 1850 | 22,079 | 8.1% |
| 1860 | 21,774 | −1.4% |
| 1870 | 20,929 | −3.9% |
| 1880 | 23,634 | 12.9% |
| 1890 | 23,274 | −1.5% |
| 1900 | 21,948 | −5.7% |
| 1910 | 21,167 | −3.6% |
| 1920 | 20,577 | −2.8% |
| 1930 | 19,852 | −3.5% |
| 1940 | 20,291 | 2.2% |
| 1950 | 21,147 | 4.2% |
| 1960 | 24,549 | 16.1% |
| 1970 | 37,150 | 51.3% |
| 1980 | 57,427 | 54.6% |
| 1990 | 86,129 | 50.0% |
| 2000 | 169,599 | 96.9% |
| Source: "American FactFinder". United States Census Bureau. | ||
1779
- Dumont, William H. "A Short Census of Virginia - 1779," National Genealogical Society Quarterly, Vol. 46, No. 4 (Dec. 1958):163-211. Available at FHL in original journal format and as a separate reprint. [Includes Loudoun County.]
1790
Lost, but a substitute is available, see Taxation.
1800
Lost, but a substitute is available, see Taxation.
1810
- Duncan, Patricia B. 1810-1840 Loudoun County, Virginia, Federal Population Census Index. [Bowie, Md.]: Heritage Books, c2003. Available at FHL. Free Lookups Available!
1820
- Duncan, Patricia B. 1810-1840 Loudoun County, Virginia, Federal Population Census Index. [Bowie, Md.]: Heritage Books, c2003. Available at FHL. Free Lookups Available!
1820 Manufacturers
- "1820 Manufacturers Census," Northern Virginia Genealogy, Vol. 2, No. 3 (Jul. 1997):125-126. Available at FHL. [Includes Fairfax, Fauquier, and Loudoun counties.]
1830
- Duncan, Patricia B. 1810-1840 Loudoun County, Virginia, Federal Population Census Index. [Bowie, Md.]: Heritage Books, c2003. Available at FHL. Free Lookups Available!
1840
- Duncan, Patricia B. 1810-1840 Loudoun County, Virginia, Federal Population Census Index. [Bowie, Md.]: Heritage Books, 2003. Available at FHL. Free Lookups Available!
1840 Revolutionary War Pensioners
- The Genealogical Society of the Church of Jesus Christ of Latter-day Saints. A Census of Pensioners for Revolutionary or Military Services; With Their Names, Ages, and Places of Residence ... Under the Act for Taking the Sixth Census. 1841; reprint, Baltimore, Md.: Genealogical Publishing Co., Inc., 1965. Digital version at Ancestry ($). [Loudoun County pensioners appear on page 131.]
1850
- Loudoun County, Virginia: 1850 Census Index. S-K Publications, 1990. Available online, courtesy: USGenWeb.
- Loudoun County, Virginia 1850 Census Index. Free Lookups Available!
1850 Mortality Schedule
- U.S. Federal Mortality Schedules, 1850-1880. Digital version at Ancestry ($). [Includes Loudoun County.]
1850 Slave Schedule
- 1850 U.S. Federal Census - Slave Schedules. Digital version at Ancestry ($). [Includes Loudon [sic] County.]
- Duncan, Patricia B. 1850 Fairfax County & Loudoun County, Virginia, Slave Schedule. Westminster, Md.: Willow Bend Books: Heritage Books, c2003. Available at FHL.
1860
Counties of birth were recorded for some residents by 1860 census takers.
- Loudoun County, Virginia 1860 Census Index. Free Lookups Available!
1860 Mortality Schedule
- U.S. Federal Mortality Schedules, 1850-1880. Digital version at Ancestry ($). [Includes Loudoun County.]
1860 Slave Schedule
- 1860 U.S. Federal Census - Slave Schedules. Digital version at Ancestry ($). [Includes Loudoun County.]
- Duncan, Patricia B. 1860 Loudoun County, Virginia, Slave Schedule. Bowie, Md.: Heritage Books, c2003. Available at FHL.
1870
- Duncan, Patricia B. 1870 Loudoun County, Virginia Federal Population Census Index. Westminster, Md.: Willow Bend Books, c2002. Available at FHL. Free Lookups Available!
1870 Mortality Schedule
- U.S. Federal Mortality Schedules, 1850-1880. Digital version at Ancestry ($). [Includes Loudoun County.]
1880
- Thomas Balch Library (Leesburg, Va.). Loudoun County, Virginia Census Index 1880. 2000. Available at FHL.
1880 Mortality Schedule
- U.S. Federal Mortality Schedules, 1850-1880. Digital version at Ancestry ($). [Includes Loudoun County.]
1890 Union Veterans
- Turner, Ronald Ray. Virginia's Union Veterans: Eleventh Census of the United States 1890. Available online, courtesy: Prince William County Virginia website. [Includes residents of this county.]
1900
- Thomas Balch Library (Leesburg, Va.). Loudoun County, Virginia, Census Index, 1900. 1996. Available at FHL.
1910
- Thomas Balch Library (Leesburg, Va.). Loudoun County, Virginia, Census Index, 1910. 1996. Available at FHL.
1920
- Thomas Balch Library (Leesburg, Va.). Loudoun County, Virginia, Census Index, 1920. Free Lookups Available!
1930
- Thomas Balch Library (Leesburg, Va.). Loudoun County, Virginia, Census Index 1930. 2003?. Available at FHL.
References
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