Ancestry for Dorchester County, SC - ERSys®
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Dorchester County – Ancestry

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Ancestry refers to the lineage or descent of a person, family, or group, tracing back through generations to identify their origins, heritage, and familial connections. It encompasses the genetic, cultural, and historical ties that link individuals to their forebears, shaping their identity and sense of belonging. Ancestry is a multifaceted concept, intertwining biology, genealogy, history, and culture, and it plays a significant role in how people understand themselves and their place in the world.

At its core, ancestry is rooted in genetics. Each individual inherits a unique combination of DNA from their parents, who in turn inherited their DNA from their own ancestors. This genetic material carries information about physical traits, predispositions to certain health conditions, and even behavioral tendencies. Advances in genetic testing, such as DNA analysis, have made it possible for individuals to trace their biological ancestry with remarkable precision. Companies like 23andMe and AncestryDNA offer services that analyze genetic markers to provide insights into a person's ethnic composition and geographic origins, often revealing surprising connections to distant relatives or previously unknown heritage.

Beyond genetics, ancestry is deeply tied to genealogy, the study of family history and lineage. Genealogical research involves constructing family trees, documenting relationships, and uncovering historical records such as birth certificates, marriage licenses, census data, and immigration documents. This process often reveals stories of migration, resilience, and adaptation, offering a window into the lives of ancestors and the challenges they faced. For many, genealogy is a way to honor their forebears and preserve their legacy for future generations.

Cultural ancestry is another critical dimension, encompassing the traditions, languages, customs, and values passed down through generations. It connects individuals to their ethnic or national heritage, shaping their cultural identity and worldview. For example, someone with Irish ancestry might celebrate St. Patrick's Day, learn traditional Irish dance, or explore the Gaelic language, while someone with Japanese ancestry might practice tea ceremonies, study calligraphy, or observe Obon festivals. Cultural ancestry fosters a sense of continuity and belonging, linking individuals to a broader community with shared experiences and values.

Historical ancestry delves into the broader context of a family's or group's past, including significant events, social conditions, and historical movements that shaped their lives. For instance, the transatlantic slave trade, the Irish Potato Famine, or the Jewish diaspora have profoundly influenced the ancestry of millions of people, leaving lasting imprints on their descendants' identities. Understanding historical ancestry often involves grappling with complex narratives of triumph and tragedy, resilience and oppression, and the interplay of individual and collective experiences.

Ancestry also has a deeply personal and emotional dimension. For many, exploring their ancestry is a journey of self-discovery, offering insights into who they are and where they come from. It can foster a sense of pride, connection, and continuity, as well as a deeper appreciation for the struggles and achievements of those who came before. At the same time, it can raise questions about identity, belonging, and the complexities of heritage, particularly for individuals with mixed or multicultural backgrounds.

In a globalized world, ancestry serves as a bridge between the past and the present, connecting individuals to their roots while also highlighting the interconnectedness of human history. It underscores the diversity and richness of human experience, reminding us that every person's story is part of a larger tapestry woven over centuries. Whether through genetic testing, genealogical research, cultural practices, or historical exploration, ancestry offers a profound way to understand ourselves and our place in the world.

A diversification score measures the diversity of ancestries in the county. As the value appoaches 100, ancestry diversity decreases and therefore increasing the risk of a lack of cultural diversity. The ancestry diversification score for this county is:

11.84

Most common ancestry not including "Unknown" is:

African American

 
Ancestry Report Part I
DescriptionTotal Population American Native American Hawaiian Caribbean (Latino) Mexican Central American South American Other Hispanic African American Sub- Saharan Caribbean (Black)

Dorchester County178,2626,8898972043,2575,3432,03589270732,2545,1434,922
South Carolina (in 000's)5,56537017381189564520930220208
National (in 000's)343,25113,8902,21362611,32738,8796,1814,6443,68725,8937,8527,174
Charleston County435,79931,8248733144,63916,9144,0863,6331,79864,65217,89516,775
Berkeley County271,13613,4801,1061806,6309,7453,2013,3971,08044,9318,3377,849
Orangeburg County84,2922,353407303731,255221199433,1539,0478,736
Colleton County39,7472,553258112251,07365151708,6622,4862,449
 
Per Cent to Total PopulationDiversity
Index
 

Dorchester County11.843.860.500.111.833.001.140.500.4018.092.892.76
South Carolina10.856.660.310.061.453.391.010.800.3616.713.953.74
National7.834.050.640.183.3011.331.801.351.077.542.292.09
Charleston County9.407.300.200.071.063.880.940.830.4114.844.113.85
Berkeley County11.344.970.410.072.453.591.181.250.4016.573.072.89
Orangeburg County22.262.790.480.040.441.490.260.020.1139.3310.7310.36
Colleton County14.386.420.650.030.572.700.160.040.4321.796.256.16
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dorchester County 58.06163.56198.87126.1488.31112.8862.32109.36108.2973.0273.87
South Carolina 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 60.80209.59317.13227.82333.71178.07168.51296.1645.1557.9055.92
Charleston County 109.7165.11125.2173.49114.3592.71103.83113.7688.79103.93102.98
Berkeley County 74.69132.59115.37168.82105.89116.74156.05109.8399.1877.8377.45
Orangeburg County 41.94156.9561.8530.5543.8725.932.8130.75235.39271.65277.28
Colleton County 96.50210.9948.0939.0879.5416.174.70117.93130.43158.30164.84
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dorchester County 95.5078.0462.7155.3726.4663.3936.9836.93239.85126.12132.10
South Carolina 164.4847.7131.5343.8929.9756.1659.3433.77221.50172.72178.83
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Charleston County 180.4631.0739.4832.2634.2752.0761.6238.41196.66179.51184.17
Berkeley County 122.8663.2636.3874.1031.7365.5692.6037.09219.68134.42138.50
Orangeburg County 68.9874.8819.5013.4113.1414.561.6710.38521.39469.19495.86
Colleton County 158.73100.6715.1717.1523.839.082.7939.82288.89273.42294.80
 
Ancestry Report Part II
DescriptionTotal Population Canadian British Dutch French German Italian Polish Scandi­navian Scotish/ Irish Spanish Other European

Dorchester County178,26275111,8324391,7049,7383,5041,5341,32810,9393473,475
South Carolina (in 000's)5,56515364184327093414238111122
National (in 000's)343,2511,35018,0691,8283,64224,7089,0274,6675,96920,6251,1409,563
Charleston County435,7991,46336,9601,1624,88724,5589,9134,0494,30232,1511,45412,706
Berkeley County271,13699115,5726523,02813,0344,6152,0872,36516,0645494,778
Orangeburg County84,292461,131401841,4651781371141,18822234
Colleton County39,747221,543461931,255206981341,57928654
 
Per Cent to Total PopulationDiversity
Index
 

Dorchester County11.840.426.640.250.965.461.970.860.746.140.191.95
South Carolina10.850.276.550.320.774.851.670.730.766.840.202.19
National7.830.395.260.531.067.202.631.361.746.010.332.79
Charleston County9.400.348.480.271.125.642.270.930.997.380.332.92
Berkeley County11.340.375.740.241.124.811.700.770.875.920.201.76
Orangeburg County22.260.051.340.050.221.740.210.160.141.410.030.28
Colleton County14.380.063.880.120.493.160.520.250.343.970.071.65
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dorchester County 154.88101.3376.72124.05112.56117.52117.8698.4689.7297.9389.18
South Carolina 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 144.6180.36165.91137.68148.31157.24186.22229.8187.85167.12127.46
Charleston County 123.42129.4783.07145.53116.11135.99127.25130.46107.87167.85133.38
Berkeley County 134.3787.6874.92144.9399.05101.76105.43115.2886.63101.8680.62
Orangeburg County 20.0620.4814.7828.3335.8112.6322.2617.8720.6113.1312.70
Colleton County 20.3559.2636.0663.0165.0630.9933.7744.5658.0835.4475.27
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dorchester County 107.10126.0946.2490.1075.8974.7463.2942.84102.1358.6069.97
South Carolina 69.15124.4460.2772.6367.4263.6053.7043.51113.8359.8478.46
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Charleston County 85.35161.1150.07105.6978.2986.4968.3456.77122.78100.44104.65
Berkeley County 92.92109.1045.15105.2666.7864.7256.6150.1698.6060.9563.25
Orangeburg County 13.8725.498.9120.5724.148.0311.957.7823.467.869.96
Colleton County 14.0773.7521.7345.7743.8619.7118.1319.3966.1221.2159.06
 
Ancestry Report Part III
DescriptionTotal Population Chinese Filipino Japanese Korean Vietnamese South Central Asian South East Asian Other Asian Middle Eastern Other Ancestry Unknown

Dorchester County178,2628678868921366334848523537835,54830,416
South Carolina (in 000's)5,56515153610329714946970
National (in 000's)343,2514,4613,0107931,5411,9135,4521,6431,2291,93147,32251,000
Charleston County435,7991,7161,3592564419312,0035205491,72567,90561,386
Berkeley County271,1366972,72217833074749963726743449,70351,251
Orangeburg County84,2928212113712828333648216,3406,667
Colleton County39,7471171471501137117,9947,825
 
Per Cent to Total PopulationDiversity
Index
 

Dorchester County11.840.490.500.050.120.370.200.270.130.2119.9417.06
South Carolina10.850.260.270.050.110.170.570.170.130.2517.0017.42
National7.831.300.880.230.450.561.590.480.360.5613.7914.86
Charleston County9.400.390.310.060.100.210.460.120.130.4015.5814.09
Berkeley County11.340.261.000.070.120.280.180.230.100.1618.3318.90
Orangeburg County22.260.010.250.010.040.150.340.040.080.1019.387.91
Colleton County14.380.030.180.010.020.000.130.030.090.0320.1119.69
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dorchester County 186.41182.3893.98105.35217.3534.39163.4699.9085.03117.3097.93
South Carolina 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 498.13321.83434.82395.93325.67279.79287.55271.42225.5681.1085.27
Charleston County 150.92114.43110.5889.22124.8480.9671.6995.46158.7391.6680.84
Berkeley County 98.53368.39123.58107.31161.0032.42141.1574.6264.19107.83108.48
Orangeburg County 3.6492.2924.5738.7088.7459.1423.5257.5439.01114.0345.39
Colleton County 10.6165.5518.9415.531.4722.1616.6370.5411.10118.31112.99
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dorchester County 37.4256.6721.6126.6166.7412.2956.8436.8137.70144.65114.84
South Carolina 20.0831.0723.0025.2630.7135.7434.7836.8444.33123.31117.27
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Charleston County 30.3035.5625.4322.5438.3328.9424.9335.1770.37113.0294.80
Berkeley County 19.78114.4728.4227.1049.4411.5949.0927.4928.46132.97127.22
Orangeburg County 0.7328.685.659.7827.2521.148.1821.2017.30140.6153.23
Colleton County 2.1320.374.363.920.457.925.7825.994.92145.88132.50


Sources: STI: PopStats, Circa April 2025