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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:

Most common ancestry not including "Unknown" is:

 
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)

Dimmit County8,008196172955,97914072231209
Texas (in 000's)31,782914892943010,0417613317542,587710454
National (in 000's)343,25113,8902,21362611,32738,8796,1814,6443,68725,8937,8527,174
Webb County275,781226158421,194242,6851,15663116,80873015388
Maverick County59,11918866455352,434431202,87612067
Frio County19,771144481113811,72695702,49046312389
Zavala County9,305109027,7811617096756
La Salle County6,7114970394,4374506021752316
 
Per Cent to Total PopulationDiversity
Index
 

Dimmit County57.430.240.070.213.6874.660.170.009.020.390.250.11
Texas14.722.870.280.091.3531.592.391.042.378.142.231.43
National7.834.050.640.183.3011.331.801.351.077.542.292.09
Webb County77.920.080.060.020.4388.000.420.236.090.260.060.03
Maverick County79.000.031.460.010.9488.690.070.204.860.200.010.01
Frio County38.490.730.240.060.7059.314.840.0012.592.340.620.45
Zavala County70.860.110.100.000.0283.620.010.667.620.720.050.06
La Salle County46.200.730.100.000.5866.120.670.008.972.610.340.24
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dimmit County 8.2526.75229.11272.30236.337.300.00379.884.7611.187.87
Texas 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 140.76230.24196.94243.9335.8575.19130.0645.2692.67102.36146.29
Webb County 2.8520.4616.4432.00278.5417.5021.99256.793.252.482.23
Maverick County 1.06523.057.3069.14280.743.0419.51204.972.490.450.83
Frio County 25.3386.6960.0551.59187.73202.110.00530.6428.7727.8431.51
Zavala County 3.7434.540.001.59264.690.4563.02321.048.852.404.51
La Salle County 25.4037.240.0042.96209.2728.000.00377.9632.0315.3416.69
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dimmit County 5.8611.62116.33111.63659.189.710.00839.425.1310.925.38
Texas 71.0443.4350.7841.00278.92133.0076.89220.97107.9197.7068.36
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Webb County 2.038.898.3513.12776.9223.2816.91567.443.512.431.53
Maverick County 0.75227.183.7128.35783.044.0415.00452.922.690.440.57
Frio County 18.0037.6530.4921.15523.63268.790.001,172.5631.0427.2021.54
Zavala County 2.6615.000.000.65738.280.6048.45709.419.552.353.09
La Salle County 18.0416.180.0017.61583.7237.240.00835.1734.5714.9811.41
 
Ancestry Report Part II
DescriptionTotal Population Canadian British Dutch French German Italian Polish Scandi­navian Scotish/ Irish Spanish Other European

Dimmit County8,00801500142021913
Texas (in 000's)31,782471,148722051,1522371301951,068107442
National (in 000's)343,2511,35018,0691,8283,64224,7089,0274,6675,96920,6251,1409,563
Webb County275,781551397025114895923
Maverick County59,1190303135002002
Frio County19,771175413655129131636
Zavala County9,30502009000600
La Salle County6,711017015924386195
 
Per Cent to Total PopulationDiversity
Index
 

Dimmit County57.430.000.190.000.000.170.020.000.020.240.010.04
Texas14.720.153.610.230.643.620.750.410.613.360.341.39
National7.830.395.260.531.067.202.631.361.746.010.332.79
Webb County77.920.000.020.000.000.030.010.000.000.030.020.01
Maverick County79.000.000.010.000.010.020.010.000.000.030.000.00
Frio County38.490.010.380.020.070.330.030.060.050.660.320.03
Zavala County70.860.000.020.000.000.100.000.000.000.060.000.00
La Salle County46.200.000.250.000.010.880.030.060.041.280.280.07
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dimmit County 0.005.190.000.004.823.350.004.087.063.722.69
Texas 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 267.21145.76236.61164.66198.59352.45333.30284.01178.7399.05200.27
Webb County 1.230.510.480.510.701.210.980.240.966.380.60
Maverick County 0.000.140.000.790.611.130.000.001.010.000.24
Frio County 3.4410.508.9910.209.073.3914.887.4419.7195.012.18
Zavala County 0.000.600.000.002.670.000.000.001.920.000.00
La Salle County 0.007.010.002.3124.253.9914.617.3038.1284.425.36
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dimmit County 0.003.560.000.002.430.950.001.443.953.761.34
Texas 37.4268.6142.2660.7350.3628.3730.0035.2155.95100.9649.93
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Webb County 0.460.350.200.310.350.340.290.080.546.440.30
Maverick County 0.000.100.000.480.310.320.000.000.560.000.12
Frio County 1.297.213.806.204.570.964.462.6211.0395.921.09
Zavala County 0.000.410.000.001.340.000.000.001.070.000.00
La Salle County 0.004.810.001.4012.211.134.382.5721.3385.232.67
 
Ancestry Report Part III
DescriptionTotal Population Chinese Filipino Japanese Korean Vietnamese South Central Asian South East Asian Other Asian Middle Eastern Other Ancestry Unknown

Dimmit County8,0080000026282669133
Texas (in 000's)31,7822511672791312671109741094,6813,388
National (in 000's)343,2514,4613,0107931,5411,9135,4521,6431,2291,93147,32251,000
Webb County275,78120526979179159156126159178,9001,312
Maverick County59,119627087083123211,567211
Frio County19,7711800691426514102,262600
Zavala County9,305090001815054163
La Salle County6,711000003200767350
 
Per Cent to Total PopulationDiversity
Index
 

Dimmit County57.430.000.000.000.000.000.320.020.100.028.351.66
Texas14.720.790.530.080.290.982.110.340.230.3414.7310.66
National7.831.300.880.230.450.561.590.480.360.5613.7914.86
Webb County77.920.070.100.030.060.060.060.050.060.013.230.48
Maverick County79.000.010.050.000.150.000.140.020.050.002.650.36
Frio County38.490.910.000.350.070.130.030.010.210.0011.443.03
Zavala County70.860.000.100.000.000.000.190.010.050.005.810.68
La Salle County46.200.000.000.000.000.000.040.030.000.0011.435.22
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dimmit County 0.000.000.000.000.0015.377.2843.127.3056.7215.58
Texas 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 164.48167.03272.35156.4556.8375.20139.56154.61164.3893.60139.36
Webb County 9.4118.5833.7822.615.882.6813.3224.891.8021.914.46
Maverick County 1.288.700.0051.270.006.655.9223.370.4918.003.35
Frio County 115.220.00411.5024.6713.411.201.4789.520.0077.6828.46
Zavala County 0.0018.420.000.000.009.163.1323.200.0039.486.35
La Salle County 0.000.000.000.000.002.128.690.000.0077.6048.92
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dimmit County 0.000.000.000.000.0020.445.2227.894.4460.6011.18
Texas 60.8059.8736.7263.92175.97132.9971.6564.6860.83106.8371.76
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Webb County 5.7211.1212.4014.4510.353.569.5516.101.1023.413.20
Maverick County 0.785.210.0032.770.008.844.2415.110.3019.232.40
Frio County 70.050.00151.0915.7723.601.591.0657.900.0082.9920.43
Zavala County 0.0011.030.000.000.0012.182.2515.000.0042.174.56
La Salle County 0.000.000.000.000.002.816.230.000.0082.9035.10


Sources: STI: PopStats, Circa April 2025

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