Verified figures
The census spine
The quantitative foundation under Schuylkill County's cultural history — every figure traced to a primary source. The historical country-of-birth tables come from IPUMS NHGIS county extracts; the modern ancestry and decennial-population figures come directly from the U.S. Census Bureau. Where a number is shaped by how the census was taken — empires standing in for nations in 1910, partitioned Poland in 1900, a margin of error on a small ACS count — it is flagged in place rather than smoothed over.
Foreign-born population by country of birth, Schuylkill County, 1900–1920
Foreign-born residents of Schuylkill County, Pennsylvania by country of birth across the 1900, 1910, and 1920 U.S. Censuses — the British-Isles and German first wave receding as the Slavic, Italian, and Greek 'new immigration' crests. Figures projected from IPUMS NHGIS county tables (NT25 in 1900, NT43 in 1910, NT32 in 1920).
Read the 1910 column by EMPIRE, not ethnicity. In 1910 Poland, Lithuania, Czechoslovakia, and Yugoslavia did not exist as states, so their people were counted under Russia, Austria, Hungary, and Germany — which is why 1910 'Russia' (17,766) and 'Austria' (10,468) are so large. The ethnic picture only becomes legible in 1920, when the census records the new nation-states directly.
The 1910 country-of-birth detail (table NT43) sums to 43,518, while the separate 1910 white-nativity table gives 43,242 total foreign-born — a small discrepancy between the two 1910 tables, carried here as-is rather than reconciled away.
NHGIS reports Poland by partition in 1900 (Austrian, German, other, unknown); the 1900 Poland figure here is the sum of those four columns.
| Group | 1900 | 1910 | 1920 |
|---|---|---|---|
| Russia | 4,453 | 17,766 | 3,344 |
| Austria | 3,161 | 10,468 | 2,715 |
| Poland | 7,167 Sum of the NHGIS 1900 partition columns: Austrian 790 + German 176 + other 6,074 + unknown 127. | — Counted under the partitioning empires (Russia, Austria, Germany). | 9,054 |
| Lithuania | — Counted under Russia. | — Counted under Russia. | 7,618 Second only to Poland — the quantitative basis of 'Little Lithuania, USA.' |
| Italy | 1,027 | 3,056 | 2,467 |
| Czechoslovakia | 44 No Czechoslovakia category existed in 1900; the comparable figure is Bohemia-born = 44. | — Counted under Austria-Hungary. | 2,182 |
| Germany | 4,405 | 3,186 | 1,527 |
| Ireland | 4,786 | 2,728 | 1,233 |
| England | 2,891 | 2,014 | 1,243 |
| Hungary | 1,813 | 1,711 | 1,061 |
| Wales | 2,100 | 1,347 | 832 |
| Scotland | 339 | 239 | 164 |
| Greece | 0 The 1900 county table enumerates Greece as a category with no persons recorded (source cell blank); excluded from the machine round-trip. | 46 | 158 |
| Syria | — Not separately enumerated in 1900 (no Syria category; Turkey-born = 51). | 265 Recorded under 'Asian Turkey.' | 183 |
| Yugoslavia | — Not enumerated. | — The Serbia and Montenegro columns are blank in the 1910 county table — not separately enumerated for this county (a widely-quoted '~5' figure is not present in the extract). | 510 |
- Russia: Includes Lithuanians, Russian-Poland Poles, and Jews — read with the 1910 empire caveat.
- Austria: Includes Galician Poles and Rusyns.
- Czechoslovakia: A post-1918 state name; the 1920 figure is overwhelmingly Slovaks, not Czechs or Bohemians.
- Yugoslavia: Serbia and Montenegro in 1910; the post-1918 state in 1920.
Source: IPUMS NHGIS (U.S. Census county tables). Steven Manson, Jonathan Schroeder, David Van Riper, Katherine Knowles, Tracy Kugler, Finn Roberts & Steven Ruggles. IPUMS National Historical Geographic Information System: Version 20.0 [dataset]. Minneapolis, MN: IPUMS, 2025.
Foreign-born population over time, Schuylkill County, 1870–1920
Total foreign-born population of Schuylkill County, Pennsylvania, the county total, and the foreign-born share, across four censuses — peaking around 1910 at the height of the 'new immigration,' then falling as the 1920s quota laws and the coal industry's decline took hold.
The 1870 figures are from the 1870 U.S. Census, Vol. I, Table V (Schuylkill County: native-born 85,572 + foreign-born 30,856 = 116,428 total); the 1900, 1910, and 1920 figures are from IPUMS NHGIS.
A widely-repeated figure of '38,075 Irish-born in Luzerne and Schuylkill counties combined, 1870' could not be verified against any primary census table and is NOT cited; the citable 1870 figure is 30,856 total foreign-born, of which roughly 40% were Irish-born.
| Year | Foreign-born | County total | % foreign-born |
|---|---|---|---|
| 1870 | 30,856 1870 U.S. Census, Vol. I, Table V: Schuylkill County native-born 85,572 + foreign-born 30,856 = 116,428 total. | 116,428 | 26.5% |
| 1900 | 32,668 NHGIS foreign-born total; the 1900 nativity extract is not in the verification fixture, so this figure is cited, not machine-round-tripped. | 172,927 | 18.9% |
| 1910 | 43,242 From the 1910 white-nativity table (NT8, variable A5B004) — round-tripped against the fixture; the country-of-birth detail (NT43) is a separate tabulation that sums to 43,518. | 207,894 | 20.8% |
| 1920 | 34,614 NHGIS foreign-born total; the 1920 nativity extract is not in the verification fixture, so this figure is cited, not machine-round-tripped. | 217,754 | 15.9% |
Source: IPUMS NHGIS (1900–1920 county tables) and the 1870 U.S. Census, Vol. I, Table V. IPUMS NHGIS v20.0 (1900 ds31, 1910 ds37, 1920 ds43) county tables for Schuylkill County, PA. The 1870 figure is from the 1870 U.S. Census, Vol. I, Table V (Pennsylvania, p. 320). · U.S. Census Bureau, Ninth Census (1870), Vol. I — The Statistics of the Population (1872), Table V (General Nativity and Foreign Parentage), Pennsylvania, p. 320 (public-domain)
Reported ancestry, Schuylkill County, ACS 2024 (5-year)
People reporting each ancestry in Schuylkill County, Pennsylvania, from the U.S. Census Bureau's American Community Survey 2024 5-year estimates (table B04006). The modern profile mirrors the historical waves: a German base, the Irish/Welsh/English mining era, and the Polish/Lithuanian/Slovak/Ukrainian 'new immigration,' plus Italian.
Margins of error are sizable for small counts; treat sub-1,000 figures as approximate.
Reference points for the same table: 'Unclassified or not reported' 35,727; 'Other groups' 15,371. The table's county population base is 143,558.
| Group | People reporting (2024) |
|---|---|
| German | 42,356 |
| Irish | 23,701 |
| Italian | 13,538 |
| Polish | 12,042 |
| English | 7,425 |
| Lithuanian | 5,387 |
| American | 4,813 |
| Dutch | 4,438 |
| Pennsylvania German | 2,780 |
| Slovak | 2,724 |
| Welsh | 2,363 |
| Ukrainian | 2,143 |
| Scottish | 1,076 |
| Russian | 867 |
| Austrian | 823 |
| Hungarian | 681 |
| Greek | 635 ±231 |
| Lebanese | 509 ±247 |
| Czech | 330 |
| Carpatho Rusyn | 17 |
Source: U.S. Census Bureau, American Community Survey. U.S. Census Bureau, American Community Survey 2024 5-year estimates, table B04006 (People Reporting Ancestry), Schuylkill County, PA (FIPS 42107).
Total population, Schuylkill County, 1820–2020
Total population of Schuylkill County, Pennsylvania, by decennial U.S. Census — the anthracite boom carrying the county from 11,339 in 1820 to a 1930 peak of 235,505, then a long decline as the coal economy contracted.
Peak population was 1930. The standard published 1930 figure is 235,505; some compilations give 234,892 — a roughly 600-person discrepancy immaterial to the trend, to be reconciled against the original 1930 Census Vol. 1 (PA) if an exact figure is ever published.
| Year | Population |
|---|---|
| 1820 | 11,339 |
| 1830 | 20,744 |
| 1840 | 29,053 |
| 1850 | 60,713 |
| 1860 | 89,510 |
| 1870 | 116,428 |
| 1880 | 129,974 |
| 1890 | 154,163 |
| 1900 | 172,927 |
| 1910 | 207,894 |
| 1920 | 217,754 |
| 1930 | 235,505 Peak; some compilations give 234,892. |
| 1940 | 228,331 |
| 1950 | 200,577 |
| 1960 | 173,027 |
| 1970 | 160,089 |
| 1980 | 160,630 |
| 1990 | 152,585 |
| 2000 | 150,336 |
| 2010 | 148,289 |
| 2020 | 143,049 |
Source: U.S. Census Bureau (decennial census). U.S. Census Bureau, decennial census 1820–2020, Schuylkill County, PA.