1821 Census of Ireland, Abstracts of the Answers and Returns Made pursuant to an Act of the United Parliament, passed in the 55th Year of the Reign of His Late Majesty George the Third, Intituled, "An Act for taking an Account of the Population of Ireland, and for ascertaining the Increase or "Diminution thereof.": Preliminary Observations. Enumeration Abstract. Appendix., Table [2] : " Ages of Persons".

List for top level	Leinster	List for Ireland Dep

click on unit name for its home page If appears click for more detailed statistics		Ages of Persons
		5 and Under. [1]	5 To 10. [2]	10 To 15. [3]	15 To 20. [4]	20 To 30. [5]	30 To 40. [6]	40 To 50. [7]	50 To 60. [8]	60 To 70. [9]	70 To 80. [10]	80 To 90. [11]	90 To 100. [12]	100 and Upwards. [13]	Unascertained. [14]	TOTAL. [15]
Leinster IProv Total		264,491	228,084	208,581	200,811	326,998	206,383	142,846	106,855	48,788	16,598	3,627	534	62	2,834	1,757,492
Carlow IrlC		12,036	11,257	9,862	9,185	14,458	8,250	6,081	4,584	2,198	741	164	32	1	103	78,952
County of the Town of Drogheda IrlC		2,602	2,124	2,047	2,129	3,153	2,327	1,860	1,202	498	143	28	2	0	3	18,118
Dublin IrlC		21,834	17,612	16,524	15,866	29,732	20,078	13,322	8,766	3,860	1,351	327	48	9	682	150,011
County of the City of Dublin IrlC		24,149	18,172	17,944	19,928	41,588	28,436	18,469	10,514	4,372	1,432	341	64	4	468	185,881
Kildare IrlC		15,432	13,227	12,523	10,758	18,082	11,055	7,869	5,690	2,676	925	201	23	3	601	99,065
Kilkenny IrlC		23,714	22,373	19,352	17,743	28,259	18,358	12,106	10,338	4,522	1,534	251	37	4	125	158,716
County of the City of Kilkenny IrlC		3,342	2,711	2,513	2,450	4,245	3,182	2,084	1,679	682	249	76	11	6	0	23,230
Offaly IrlC		21,096	18,164	16,313	15,195	23,160	14,618	10,089	7,384	3,355	1,244	259	46	2	163	131,088
Longford IrlC		17,031	15,024	13,638	13,533	18,725	11,592	8,072	6,296	2,562	847	183	29	6	32	107,570
Louth IrlC		15,177	13,051	11,730	12,595	18,475	11,039	7,883	6,775	3,040	1,002	185	20	2	37	101,011
Meath IrlC		24,001	21,009	19,188	19,745	28,852	18,186	12,116	9,756	4,433	1,386	325	48	2	136	159,183
Laoighis IrlC		21,170	18,417	16,713	15,211	24,404	14,301	9,917	8,173	4,158	1,326	305	33	8	139	134,275
Westmeath IrlC		20,016	17,269	15,989	15,390	22,755	14,397	10,065	7,862	3,481	1,172	272	35	9	107	128,819
Wexford IrlC		23,867	22,089	20,285	19,122	31,764	19,101	14,716	11,442	5,789	2,023	383	68	4	153	170,806
Wicklow IrlC		19,024	15,585	13,960	11,961	19,346	11,463	8,197	6,394	3,162	1,223	327	38	2	85	110,767

Comments:

1	This table provides data for all Provinces, Counties and Baronies, but Parishes were included only wirhin Cities.

Click on the triangles for all about a particular number.

This website does not try to provide an exact replica of the original printed census tables, which often had thousands of rows and far more columns than will fit on our web pages. Instead, we let you drill down from national totals to the most detailed data available. The column headings are those that appeared in the original printed report. The numbers presented here, which are the same ones we use to create statistical maps and graphs, come from the census table and have usually been carefully checked.

The system can only hold statistics for units listed in our administrative gazetteer, so some rows from the original table may be missing. Sometimes big low-level units, like urban parishes, were divided between more than one higher-level units, like Registration sub-Districts. This is why some pages will give a higher figure for a lower-level unit: it covers the whole of the lower-level unit, not just the part within the current higher-level unit.

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