Ancestry for Cass County, IA - ERSys®
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Cass 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:

18.65

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)

Cass County12,9287151454142960036174
Iowa (in 000's)3,267138951516129710724015
National (in 000's)343,25113,8902,21362611,32738,8796,1814,6443,68725,8937,8527,174
Pottawattamie County93,6624,858328774316,658301193601,154439173
Shelby County11,80642833417224314045012
Guthrie County10,810600211610219313363235
Montgomery County10,0915552516186720727122
Adair County7,41348111151522502013621
Audubon County5,582253610920081511
Adams County3,6762621700190017850
 
Per Cent to Total PopulationDiversity
Index
 

Cass County18.655.530.110.420.112.290.000.000.020.470.050.03
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
Pottawattamie County13.095.190.350.080.467.110.320.020.381.230.470.18
Shelby County20.653.630.280.031.462.060.120.000.030.420.010.02
Guthrie County16.695.550.190.150.092.030.290.030.330.300.030.05
Montgomery County16.645.500.250.010.061.840.710.000.070.270.120.02
Adair County17.236.490.150.010.072.050.340.000.270.180.840.01
Audubon County19.844.530.110.020.001.650.000.000.140.270.020.02
Adams County18.107.130.460.000.000.520.000.000.460.220.140.00
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Cass County 130.7239.96250.6223.6046.570.000.007.3721.384.376.91
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
Pottawattamie County 122.59129.2249.33100.30144.5835.969.03122.0055.8437.8641.24
Shelby County 85.69103.1420.33317.5641.8613.270.0010.7519.190.683.78
Guthrie County 131.1971.6888.8120.1641.2132.0812.35105.7013.422.2410.33
Montgomery County 129.9991.415.9512.9637.4979.830.0022.0212.139.614.43
Adair County 153.3654.758.0914.7041.7037.730.0085.637.9567.563.01
Audubon County 107.1339.6610.750.0033.520.000.0045.4912.181.454.00
Adams County 168.46170.640.000.0010.510.000.00146.789.8610.990.00
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Cass County 136.6716.79228.903.2820.210.000.002.166.252.371.48
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
Pottawattamie County 128.1754.3145.0513.9462.7617.851.5035.7916.3320.498.84
Shelby County 89.5943.3518.5744.1518.176.590.003.155.610.370.81
Guthrie County 137.1630.1381.112.8017.8915.922.0531.013.921.212.21
Montgomery County 135.9138.425.431.8016.2739.620.006.463.555.200.95
Adair County 160.3423.017.392.0418.1018.730.0025.122.3236.560.65
Audubon County 112.0016.679.820.0014.550.000.0013.343.560.780.86
Adams County 176.1371.720.000.004.560.000.0043.062.885.950.00
 
Ancestry Report Part II
DescriptionTotal Population Canadian British Dutch French German Italian Polish Scandi­navian Scotish/ Irish Spanish Other European

Cass County12,928119641331212,783141571,2391,0067210
Iowa (in 000's)3,2675204733670537211872745100
National (in 000's)343,2511,35018,0691,8283,64224,7089,0274,6675,96920,6251,1409,563
Pottawattamie County93,6621127,30877796019,8061,5899705,5188,759892,545
Shelby County11,806214591111163,788105411,2988118185
Guthrie County10,810281,015173892,3821126281098763243
Montgomery County10,09117959861231,790159641,00887822183
Adair County7,4130520119701,98579204766370201
Audubon County5,5822428070481,3426171,313288266
Adams County3,676035552346852632182362291
 
Per Cent to Total PopulationDiversity
Index
 

Cass County18.650.097.461.030.9421.531.090.449.587.780.051.62
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
Pottawattamie County13.090.127.800.831.0221.151.701.045.899.350.102.72
Shelby County20.650.183.890.940.9832.090.890.3510.996.870.071.57
Guthrie County16.690.269.391.600.8222.041.040.577.499.130.582.25
Montgomery County16.640.179.500.851.2217.741.580.639.998.700.221.81
Adair County17.230.007.011.610.9426.781.070.276.428.590.002.71
Audubon County19.840.435.021.250.8624.040.110.3023.525.160.041.18
Adams County18.100.009.661.410.9218.630.710.874.959.850.052.48
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Cass County 52.11119.5646.0184.5999.7195.4168.06167.3592.7135.6453.27
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
Pottawattamie County 73.24125.1137.1092.6497.95148.41159.87102.87111.4262.5589.11
Shelby County 108.9562.3442.0588.80148.6277.8053.61191.9881.8544.6151.39
Guthrie County 158.64150.5571.5774.41102.0790.6388.54130.84108.79383.6373.72
Montgomery County 103.18152.3838.11110.1782.17137.8497.90174.43103.67143.5159.47
Adair County 0.00112.4871.7985.35124.0493.2341.65112.12102.380.0088.92
Audubon County 263.3480.4356.0877.72111.369.4047.01410.7361.4723.5938.77
Adams County 0.00154.8563.2683.5986.3261.87134.3886.45117.3335.8181.18
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Cass County 21.63141.65193.1888.22299.0641.4732.43551.16129.5116.3058.30
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
Pottawattamie County 30.40148.22155.7796.61293.7764.5176.17338.81155.6428.6197.53
Shelby County 45.2273.86176.5592.61445.7433.8225.54632.28114.3220.4056.24
Guthrie County 65.85178.37300.5177.60306.1239.4042.18430.92151.95175.4480.68
Montgomery County 42.83180.54160.03114.89246.4359.9146.65574.47144.8065.6365.09
Adair County 0.00133.26301.4389.00372.0040.5219.84369.28143.010.0097.32
Audubon County 109.3195.29235.4881.05333.994.0922.401,352.7485.8710.7942.44
Adams County 0.00183.46265.6287.18258.8726.8964.03284.73163.8916.3888.85
 
Ancestry Report Part III
DescriptionTotal Population Chinese Filipino Japanese Korean Vietnamese South Central Asian South East Asian Other Asian Middle Eastern Other Ancestry Unknown

Cass County12,928510050051487124,329
Iowa (in 000's)3,267126179191688310720
National (in 000's)343,2514,4613,0107931,5411,9135,4521,6431,2291,93147,32251,000
Pottawattamie County93,6622519343862370160101808,50621,018
Shelby County11,80600200212025303,355
Guthrie County10,810011000240326303,200
Montgomery County10,09122801001576823,183
Adair County7,41301830004104952,014
Audubon County5,5820001010102071,539
Adams County3,6760010000602871,233
 
Per Cent to Total PopulationDiversity
Index
 

Cass County18.650.040.080.000.040.000.000.040.110.065.5133.49
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
Pottawattamie County13.090.270.100.050.090.020.070.170.110.099.0822.44
Shelby County20.650.000.000.020.000.000.020.010.170.024.4928.42
Guthrie County16.690.000.100.000.000.000.220.000.030.025.8329.60
Montgomery County16.640.020.280.000.010.000.000.010.050.076.7631.54
Adair County17.230.000.240.040.000.000.000.050.010.006.6827.17
Audubon County19.840.000.000.000.020.000.020.000.020.003.7127.57
Adams County18.100.000.000.030.000.000.000.000.160.007.8133.54
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Cass County 10.8040.720.0017.130.000.007.7843.3625.2358.09151.91
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
Pottawattamie County 74.8052.27123.9640.668.9912.7434.3843.1734.8395.78101.80
Shelby County 0.000.0045.740.000.002.891.7067.826.9147.35128.92
Guthrie County 0.0053.570.000.000.0037.850.0011.117.5461.47134.29
Montgomery County 5.53146.070.004.390.000.001.9919.8428.2971.28143.10
Adair County 0.00127.82109.270.000.000.0010.865.400.0070.43123.25
Audubon County 0.000.000.007.930.003.050.007.170.0039.11125.08
Adams County 0.000.0073.450.000.000.000.0065.350.0082.34152.16
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Cass County 2.988.820.008.610.000.008.0830.2411.0039.95225.37
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
Pottawattamie County 20.6211.3219.8820.454.414.7135.6930.1115.1965.87151.03
Shelby County 0.000.007.330.000.001.071.7747.303.0132.56191.26
Guthrie County 0.0011.600.000.000.0013.980.007.753.2942.27199.23
Montgomery County 1.5331.640.002.210.000.002.0713.8312.3349.02212.30
Adair County 0.0027.6917.520.000.000.0011.273.770.0048.43182.85
Audubon County 0.000.000.003.990.001.130.005.000.0026.90185.56
Adams County 0.000.0011.780.000.000.000.0045.570.0056.63225.75


Sources: STI: PopStats, Circa April 2025