Rock County, WI [55105] Demographic Characteristics & Trends
  -- a component of the Janesville-Beloit, WI metropolitan area [27500] -- click link to view metro S&O report

This document brings together several 2017 vintage population estimates developed by the Census Bureau for this area developed and released separately in 2018. These official model-based estimates are developed and updated annually. The data presesentation here provides more comprehensive insights into demographic characteristics and trends for this area than available elsewhere. ProximityOne uses these data to develop Situation & Outlook (S&O) estimates and projections to 2060. See related table. Join us in weekly Data Analytics Lab web sessions to discuss organization and use of these and related data. The S&O Trends Analysis package used to develop these tables is available to present/analyze these data with wide-ranging additional detail and alternative data formats.   • Bookmark this page -- http://proximityone.com/trends/cty1706037.htm; share with others.   • View profile for other counties -- http://proximityone.com/countytrends2017.htm; use link in table.

Table 1. Population & Components of Change -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	160,263	159,882	160,092	160,373	160,970	161,059	161,421	162,309	2,046
Births	...	1,957	1,925	1,880	1,929	2,028	1,937	1,935	1,942
Deaths	...	1,397	1,407	1,552	1,403	1,517	1,498	1,429	1,458
Natural Increase	...	560	518	328	526	511	439	506	484
Net Migration	...	-942	-298	-23	95	-409	-74	389	-180
International	...	-18	12	58	79	101	107	107	64
Domestic	...	-924	-310	-81	16	-510	-181	282	-244

Table 2. Population by Gender & Group Quarters Population -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	160,263	159,882	160,092	160,373	160,970	161,059	161,421	162,309	2,046
Male	78,765	78,580	78,683	78,863	79,163	79,170	79,481	79,866	1,101
Female	81,498	81,302	81,409	81,510	81,807	81,889	81,940	82,443	945
Group Quarters	...	2,856	2,780	2,824	2,724	2,711	2,660	2,665	-269

Table 3. Population by Race/Origin -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	160,263	159,882	160,092	160,373	160,970	161,059	161,421	162,309	2,046
White alone	146,324	145,930	146,050	146,047	146,434	146,250	146,384	146,939	615
Black alone	8,214	8,115	8,077	8,200	8,143	8,248	8,347	8,435	221
AIAN alone	802	820	810	806	835	838	826	874	72
Asian alone	1,678	1,751	1,771	1,832	1,922	1,974	2,036	2,113	435
NHOPI alone	86	88	88	82	90	99	101	103	17
Two+ Races	3,159	3,178	3,296	3,406	3,546	3,650	3,727	3,845	686
Hispanic (any race)	12,122	12,311	12,574	12,895	13,221	13,531	13,874	14,347	2,225

Table 4. Population by Age by Race/Origin -- 2017

Population	Total	White alone	Black alone	AIAN alone	Asian alone	NHOPI alone	Two+ Races	Hispanic (any race)
Total	162,309	146,939	8,435	874	2,113	103	3,845	14,347
Age 0-4	9,880	8,303	774	61	120	14	608	1,466
Age 5-9	10,199	8,597	755	67	134	10	636	1,644
Age 10-14	11,071	9,423	752	81	174	8	633	1,727
Age 15-19	10,798	9,313	733	66	169	5	512	1,579
Age 20-24	9,970	8,647	673	84	204	10	352	1,240
Age 25-29	9,691	8,574	654	56	148	10	249	1,022
Age 30-34	10,160	9,014	662	57	251	7	169	1,014
Age 35-39	10,295	9,415	505	47	177	7	144	1,074
Age 40-44	9,476	8,744	422	57	122	5	126	971
Age 45-49	10,569	9,800	457	83	132	8	89	809
Age 50-54	11,497	10,743	500	57	123	8	66	614
Age 55-59	11,803	11,153	440	49	85	3	73	367
Age 60-64	10,738	10,195	349	37	79	2	76	313
Age 65-69	8,566	8,147	287	27	68	3	34	223
Age 70-74	6,405	6,135	177	22	40	2	29	124
Age 75-79	4,653	4,464	111	13	45	0	20	65
Age 80-84	3,222	3,079	97	8	23	0	15	44
Age 85 up	3,316	3,193	87	2	19	1	14	51

Table 5. Population by Single Year of Age -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	1,948	1,948	1,916	1,866	1,916	2,013	1,921	1,916	-32
Age 0101	1,956	1,956	1,930	1,946	1,903	1,947	2,025	1,999	43
Age 0202	2,124	1,961	1,995	1,979	1,946	1,924	1,957	2,055	-69
Age 0303	2,154	2,137	1,959	1,985	1,993	1,945	1,925	1,986	-168
Age 0404	2,183	2,125	2,140	1,998	2,030	1,979	1,963	1,924	-259
Age 0505	2,140	2,175	2,184	2,149	2,023	2,020	1,986	1,985	-155
Age 0606	2,211	2,123	2,204	2,167	2,164	2,020	2,049	1,973	-238
Age 0707	2,214	2,202	2,144	2,206	2,182	2,156	2,031	2,049	-165
Age 0808	2,231	2,167	2,208	2,149	2,229	2,170	2,178	2,020	-211
Age 0909	2,280	2,211	2,194	2,219	2,146	2,255	2,200	2,172	-108
Age 1010	2,329	2,211	2,207	2,181	2,222	2,137	2,257	2,203	-126
Age 1111	2,328	2,338	2,246	2,200	2,191	2,218	2,152	2,265	-63
Age 1212	2,263	2,308	2,365	2,224	2,210	2,207	2,226	2,157	-106
Age 1313	2,239	2,257	2,302	2,339	2,226	2,216	2,208	2,244	5
Age 1414	2,248	2,193	2,213	2,299	2,364	2,219	2,212	2,202	-46
Age 1515	2,301	2,238	2,195	2,216	2,314	2,346	2,247	2,214	-87
Age 1616	2,359	2,282	2,222	2,183	2,209	2,316	2,339	2,233	-126
Age 1717	2,468	2,321	2,263	2,217	2,186	2,217	2,299	2,336	-132
Age 1818	2,335	2,315	2,167	2,121	2,062	2,047	2,065	2,138	-197
Age 1919	2,063	2,101	2,077	1,959	1,938	1,855	1,848	1,877	-186
Age 2020	1,980	2,066	2,161	2,144	2,020	2,013	1,934	1,922	-58
Age 2121	1,871	1,935	2,022	2,173	2,168	2,019	2,008	1,943	72
Age 2222	1,805	1,900	1,935	2,046	2,201	2,173	2,052	2,072	267
Age 2323	1,807	1,715	1,801	1,904	1,951	2,138	2,088	1,974	167
Age 2424	1,928	1,763	1,684	1,793	1,873	1,985	2,128	2,059	131
Age 2525	2,009	1,937	1,757	1,692	1,806	1,886	1,959	2,141	132
Age 2626	1,957	2,032	1,931	1,781	1,661	1,801	1,901	1,983	26
Age 2727	1,980	1,955	2,026	1,975	1,804	1,687	1,829	1,929	-51
Age 2828	2,085	1,978	1,959	2,023	2,014	1,826	1,700	1,881	-204
Age 2929	2,085	2,100	2,023	1,991	2,072	1,986	1,851	1,757	-328
Age 3030	2,161	2,092	2,107	2,065	2,035	2,049	2,003	1,888	-273
Age 3131	2,027	2,191	2,097	2,137	2,075	2,072	2,058	2,058	31
Age 3232	2,044	2,008	2,191	2,066	2,140	2,045	2,071	2,099	55
Age 3333	1,934	1,998	2,013	2,223	2,067	2,138	2,041	2,066	132
Age 3434	1,898	1,894	1,960	2,034	2,224	2,019	2,143	2,049	151
Age 3535	2,022	1,888	1,890	1,949	2,004	2,193	1,985	2,122	100
Age 3636	1,930	2,020	1,886	1,885	1,928	1,982	2,187	2,014	84
Age 3737	1,954	1,900	2,015	1,885	1,870	1,965	2,000	2,180	226
Age 3838	2,118	1,932	1,911	2,001	1,880	1,850	1,978	2,010	-108
Age 3939	2,226	2,104	1,921	1,928	2,021	1,875	1,858	1,969	-257
Age 4040	2,294	2,209	2,124	1,898	1,925	2,017	1,873	1,896	-398
Age 4141	2,155	2,280	2,190	2,110	1,897	1,883	1,994	1,867	-288
Age 4242	2,113	2,106	2,260	2,182	2,093	1,877	1,884	1,977	-136
Age 4343	2,204	2,094	2,108	2,278	2,188	2,038	1,894	1,861	-343
Age 4444	2,247	2,194	2,077	2,110	2,252	2,178	2,025	1,875	-372
Age 4545	2,331	2,199	2,183	2,071	2,109	2,272	2,174	2,040	-291
Age 4646	2,425	2,275	2,191	2,170	2,066	2,072	2,218	2,140	-285
Age 4747	2,475	2,408	2,278	2,172	2,153	2,071	2,074	2,237	-238
Age 4848	2,414	2,476	2,395	2,275	2,175	2,154	2,056	2,091	-323
Age 4949	2,428	2,414	2,454	2,387	2,263	2,188	2,173	2,061	-367
Age 5050	2,479	2,411	2,418	2,441	2,417	2,254	2,204	2,199	-280
Age 5151	2,442	2,464	2,395	2,399	2,428	2,401	2,253	2,213	-229
Age 5252	2,417	2,435	2,470	2,409	2,392	2,419	2,402	2,267	-150
Age 5353	2,348	2,400	2,433	2,440	2,389	2,372	2,416	2,400	52
Age 5454	2,316	2,330	2,375	2,427	2,435	2,373	2,349	2,418	102
Age 5555	2,290	2,321	2,329	2,356	2,427	2,428	2,358	2,363	73
Age 5656	2,234	2,292	2,291	2,335	2,325	2,420	2,432	2,336	102
Age 5757	2,119	2,213	2,264	2,274	2,304	2,289	2,397	2,437	318
Age 5858	2,014	2,116	2,208	2,249	2,282	2,307	2,264	2,412	398
Age 5959	1,874	2,014	2,096	2,197	2,228	2,267	2,279	2,255	381
Age 6060	1,830	1,867	1,985	2,085	2,186	2,224	2,251	2,284	454
Age 6161	1,792	1,803	1,850	1,959	2,062	2,167	2,187	2,210	418
Age 6262	1,746	1,787	1,794	1,841	1,950	2,031	2,148	2,157	411
Age 6363	1,865	1,740	1,781	1,781	1,813	1,947	1,986	2,119	254
Age 6464	1,375	1,862	1,730	1,752	1,771	1,808	1,923	1,968	593
Age 6565	1,362	1,343	1,822	1,692	1,721	1,745	1,775	1,893	531
Age 6666	1,313	1,356	1,320	1,769	1,676	1,690	1,701	1,743	430
Age 6767	1,343	1,289	1,338	1,288	1,752	1,655	1,657	1,686	343
Age 6868	1,216	1,338	1,271	1,304	1,263	1,730	1,628	1,638	422
Age 6969	1,151	1,190	1,317	1,254	1,307	1,252	1,706	1,606	455
Age 7070	1,123	1,124	1,179	1,280	1,244	1,278	1,231	1,694	571
Age 7171	1,064	1,095	1,105	1,149	1,252	1,194	1,249	1,203	139
Age 7272	1,085	1,046	1,074	1,083	1,131	1,221	1,161	1,230	145
Age 7373	960	1,047	1,029	1,041	1,052	1,096	1,191	1,119	159
Age 7474	905	944	1,024	997	1,011	1,021	1,056	1,159	254
Age 7575	880	880	913	994	973	974	1,003	1,023	143
Age 7676	838	859	858	890	965	931	958	980	142
Age 7777	838	802	817	813	847	928	894	920	82
Age 7878	769	809	765	789	790	816	898	873	104
Age 7979	748	738	765	719	762	738	784	857	109
Age 8080	734	725	697	730	692	734	706	751	17
Age 8181	693	711	702	671	702	652	702	678	-15
Age 8282	669	640	663	631	621	640	609	655	-14
Age 8383	585	634	591	619	591	569	603	567	-18
Age 8484	514	564	603	536	576	555	537	571	57
Age 8585	3,051	3,061	3,139	3,228	3,244	3,274	3,296	3,316	265
Age 0517	29,611	29,026	28,947	28,749	28,666	28,497	28,384	28,053	-1,558