Ancestry for Dallas County, IA - ERSys®
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Dallas 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:

10.94

Most common ancestry not including "Unknown" is:

German

 
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)

Dallas County118,5013,902173383154,7367671,2493941,2871,737103
Iowa (in 000's)3,267138951516129710724015
National (in 000's)343,25113,8902,21362611,32738,8796,1814,6443,68725,8937,8527,174
Polk County523,77515,7861,0152693,16136,0687,8811,5941,68119,72612,5534,153
Warren County57,1413,2667619791,4561831086922014869
Boone County26,9151,09846345647013251789440
Madison County17,2631,06013111189545010478152
Guthrie County10,810600211610219313363235
Greene County8,76145515149193126141233
Adair County7,41348111151522502013621
 
Per Cent to Total PopulationDiversity
Index
 

Dallas County10.943.290.150.030.274.000.651.050.331.091.470.09
Iowa12.524.230.270.170.464.920.890.220.322.211.240.45
National7.834.050.640.183.3011.331.801.351.077.542.292.09
Polk County9.673.010.190.050.606.891.500.300.323.772.400.79
Warren County13.975.720.130.030.142.550.320.190.120.390.260.12
Boone County16.694.080.170.010.172.400.000.050.090.660.350.15
Madison County15.696.140.080.060.680.550.260.000.600.450.090.01
Guthrie County16.695.550.190.150.092.030.290.030.330.300.030.05
Greene County17.945.190.170.010.562.200.140.070.160.140.030.03
Adair County17.236.490.150.010.072.050.340.000.270.180.840.01
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dallas County 77.8353.8719.2457.9481.2972.42469.13105.5349.22118.4119.41
Iowa 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 95.65237.92109.49719.30230.38201.48602.19340.91341.89184.79466.70
Polk County 71.2471.5030.81131.55140.06168.35135.45101.87170.69193.61177.05
Warren County 135.0949.0819.9530.1451.8335.8384.1338.3317.4520.9226.96
Boone County 96.4263.066.6936.4448.890.0021.5029.4829.9728.2133.18
Madison County 145.1327.7938.23148.9911.1929.160.00191.2220.487.022.59
Guthrie County 131.1971.6888.8120.1641.2132.0812.35105.7013.422.2410.33
Greene County 122.7563.176.85121.9144.8115.3230.4850.726.212.777.65
Adair County 153.3654.758.0914.7041.7037.730.0085.637.9567.563.01
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dallas County 81.3722.6417.578.0635.2835.9477.9030.9614.4064.084.16
Iowa 104.5542.0391.3313.9043.4149.6316.6129.3329.2554.1221.43
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Polk County 74.4830.0528.1418.2960.8083.5522.4929.8849.92104.7737.94
Warren County 141.2420.6318.224.1922.5017.7813.9711.245.1011.325.78
Boone County 100.8126.516.115.0721.220.003.578.658.7715.277.11
Madison County 151.7411.6834.9220.714.8614.480.0056.095.993.800.55
Guthrie County 137.1630.1381.112.8017.8915.922.0531.013.921.212.21
Greene County 128.3426.556.2516.9519.457.615.0614.881.821.501.64
Adair County 160.3423.017.392.0418.1018.730.0025.122.3236.560.65
 
Ancestry Report Part II
DescriptionTotal Population Canadian British Dutch French German Italian Polish Scandi­navian Scotish/ Irish Spanish Other European

Dallas County118,5011168,8671,9181,64122,2142,3599617,18111,1422264,500
Iowa (in 000's)3,2675204733670537211872745100
National (in 000's)343,2511,35018,0691,8283,64224,7089,0274,6675,96920,6251,1409,563
Polk County523,77572635,5698,1204,52579,5909,3823,54827,65943,5381,16418,732
Warren County57,141745,3631,34278011,5651,2842963,0935,8901662,299
Boone County26,915332,0575192146,8383031332,9912,3990592
Madison County17,263201,4844031653,780234498482,0177593
Guthrie County10,810281,015173892,3821126281098763243
Greene County8,76159211361291,97862305679041176
Adair County7,4130520119701,98579204766370201
 
Per Cent to Total PopulationDiversity
Index
 

Dallas County10.940.107.481.621.3818.751.990.816.069.400.193.80
Iowa12.520.166.242.241.1121.591.140.655.738.390.153.05
National7.830.395.260.531.067.202.631.361.746.010.332.79
Polk County9.670.146.791.550.8615.201.790.685.288.310.223.58
Warren County13.970.139.392.351.3720.242.250.525.4110.310.294.02
Boone County16.690.127.641.930.8025.411.130.4911.118.910.002.20
Madison County15.690.128.602.330.9621.901.360.284.9111.680.043.44
Guthrie County16.690.269.391.600.8222.041.040.577.499.130.582.25
Greene County17.940.0610.511.551.4722.580.710.346.4710.320.130.87
Adair County17.230.007.011.610.9426.781.070.276.428.590.002.71
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dallas County 59.96119.9872.38125.1686.83174.14125.18105.82112.03125.54124.53
Iowa 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 240.9284.4023.8295.8933.34230.07209.8730.3671.59218.6791.37
Polk County 84.90108.8969.3378.0870.39156.69104.5792.2199.04146.29117.28
Warren County 79.32150.49105.03123.3793.75196.5779.9694.52122.81191.23131.94
Boone County 75.10122.5486.2471.86117.6898.4876.28194.05106.200.0072.13
Madison County 70.96137.84104.4086.39101.43118.5843.8285.78139.2126.69112.65
Guthrie County 158.64150.5571.5774.41102.0790.6388.54130.84108.79383.6373.72
Greene County 34.96168.5669.42133.08104.5861.9152.86113.01122.9482.6528.45
Adair County 0.00112.4871.7985.35124.0493.2341.65112.12102.380.0088.92
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dallas County 24.89142.15303.92130.52260.4275.6959.65348.50156.4857.41136.30
Iowa 41.51118.48419.87104.29299.9143.4747.65329.35139.6845.73109.45
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Polk County 35.24129.01291.1181.43211.1068.1149.82303.69138.3466.90128.36
Warren County 32.92178.30441.00128.66281.1785.4438.10311.29171.5587.45144.41
Boone County 31.17145.18362.0974.94352.9442.8136.35639.09148.340.0078.94
Madison County 29.45163.30438.3690.09304.1951.5420.88282.50194.4512.21123.29
Guthrie County 65.85178.37300.5177.60306.1239.4042.18430.92151.95175.4480.68
Greene County 14.51199.70291.49138.78313.6526.9125.19372.19171.7337.8031.14
Adair County 0.00133.26301.4389.00372.0040.5219.84369.28143.010.0097.32
 
Ancestry Report Part III
DescriptionTotal Population Chinese Filipino Japanese Korean Vietnamese South Central Asian South East Asian Other Asian Middle Eastern Other Ancestry Unknown

Dallas County118,50160536743823673,30641433892712,93123,034
Iowa (in 000's)3,267126179191688310720
National (in 000's)343,2514,4613,0107931,5411,9135,4521,6431,2291,93147,32251,000
Polk County523,7752,4661,2511391,4733,9205,2667,0883,4281,45964,98095,865
Warren County57,14146778928762676654,41014,403
Boone County26,9152500404339181,4337,121
Madison County17,26300027001234121,3624,675
Guthrie County10,810011000240326303,200
Greene County8,761050900102673992,723
Adair County7,41301830004104952,014
 
Per Cent to Total PopulationDiversity
Index
 

Dallas County10.940.510.310.000.320.312.790.350.290.7810.9119.44
Iowa12.520.360.190.040.230.270.590.500.250.259.4822.04
National7.831.300.880.230.450.561.590.480.360.5613.7914.86
Polk County9.670.470.240.030.280.751.011.350.650.2812.4118.30
Warren County13.970.080.130.010.160.150.010.050.130.117.7225.21
Boone County16.690.090.000.000.010.000.010.120.030.075.3226.46
Madison County15.690.000.000.000.160.000.000.070.200.077.8927.08
Guthrie County16.690.000.100.000.000.000.220.000.030.025.8329.60
Greene County17.940.000.060.000.100.000.000.110.300.084.5531.08
Adair County17.230.000.240.040.000.000.000.050.010.006.6827.17
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Dallas County 142.51163.039.11142.74113.39475.6570.32114.20318.98115.0988.18
Iowa 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 362.77461.68623.66198.84204.04270.8096.34143.40229.35145.4167.40
Polk County 131.42125.7371.65124.53274.02171.41272.38262.03113.58130.8583.03
Warren County 22.4770.9437.8071.2955.751.799.1653.2546.3881.40114.35
Boone County 25.930.000.006.580.002.5324.6813.3927.2756.15120.02
Madison County 0.000.000.0069.260.000.0013.9978.8528.3483.21122.85
Guthrie County 0.0053.570.000.000.0037.850.0011.117.5461.47134.29
Greene County 0.0030.040.0045.490.000.0022.97118.8232.5848.03141.00
Adair County 0.00127.82109.270.000.000.0010.865.400.0070.43123.25
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Dallas County 39.2835.311.4671.7955.57175.6572.9979.64139.0879.15130.82
Iowa 27.5721.6616.0350.2949.0136.93103.8069.7443.6068.77148.36
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Polk County 36.2327.2311.4962.63134.3063.30282.74182.7349.5289.99123.18
Warren County 6.1915.376.0635.8627.320.669.5137.1320.2255.98169.65
Boone County 7.150.000.003.310.000.9425.629.3411.8938.62178.07
Madison County 0.000.000.0034.830.000.0014.5254.9912.3657.23182.27
Guthrie County 0.0011.600.000.000.0013.980.007.753.2942.27199.23
Greene County 0.006.510.0022.880.000.0023.8582.8614.2133.03209.19
Adair County 0.0027.6917.520.000.000.0011.273.770.0048.43182.85


Sources: STI: PopStats, Circa April 2025