County · Wisconsin

St. Croix County, Wisconsin

St. Croix County, Wisconsin. St. Croix County had 98,276 residents in 2025 by the Census Bureau's estimate, up 5.1% since 2020, faster than Wisconsin (+1.3%). It holds 37 places (14 cities, villages and boroughs, 21 towns and townships and 2 census-designated) and 18 census tracts. GEOID 55109.

St. Croix County is one of the 15 counties of the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

98,276

Census Bureau estimate (no margin published)
2020 Census count: 93,536 · ACS 2020-2024: 96,033

Median household income

$103,046

±$3,545 (90% margin)
Wisconsin: $77,485

Median home value

$377,700

±$6,556 (90% margin)
Wisconsin: $266,500

Median gross rent

$1,271

±$78 (90% margin)
Wisconsin: $1,087

How many people live in St. Croix County, and is it growing?

The 2020 Census counted 93,536 residents in St. Croix County. The Census Bureau estimates 98,276 for July 1, 2025, up 5.1% since 2020, faster than Wisconsin (+1.3%). The 2020-2024 American Community Survey puts the population at 96,033 over 722 square miles of land.

July 2020→2021 +1,141 (95,016)
2021→2022 +1,100 (96,116)
2022→2023 +860 (96,976)
2023→2024 +678 (97,654)
2024→2025 +622 (98,276)

St. Croix County in Wisconsin. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	St. Croix County	Wisconsin	Change since 2015-2019
Total population	96,033	5,914,872	+7,301
Households	37,511±352	2,479,480	+3,329
Average household size	2.54±0.02	2.33	−0.03
Housing units	38,953±92	2,778,572	+3,091

St. Croix County's population since 2000

From 63,155 in 2000 to 98,276 in 2025: up 55.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 63,155
2005 (estimate) 77,061
2010 Census 84,345
2015 (estimate) 87,207
2020 Census 93,536
2025 (estimate) 98,276

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in St. Croix County?

St. Croix County holds 37 places: 14 cities, villages and boroughs (incorporated places), 21 towns and townships (county subdivisions with their own government) and 2 census-designated places. The largest is Hudson with 15,019 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in St. Croix County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Hudson	city	14,755	14,959±33	$93,937	$392,700	6.2%	100%
New Richmond	city	10,079	10,539±29	$88,157	$285,100	10.5%	100%
Hudson (town)	town	8,671	8,757±26	$139,767	$507,000	2.7%	100%
Troy (town), St. Croix County	town	5,518	5,563±22	$161,161	$574,100	3.6%	100%
Baldwin	village	4,291	4,342±39	$77,179	$273,500	9.7%	100%
Somerset (town)	town	4,291	4,405±17	$131,226	$464,800	1.6%	100%
St. Joseph (town)	town	4,178	4,292±16	$113,316	$509,600	2.6%	100%
Richmond (town), St. Croix County	town	4,074	4,201±21	$116,607	$407,000	12.0%	100%
North Hudson	village	3,803	3,819±15	$122,647	$385,300	4.2%	100%
Star Prairie (town)GEOID 5510976850	town	3,733	3,766±39	$101,518	$320,500	6.7%	100%
River Falls	city	16,182	16,719±27	$83,627	$327,600	15.1%	22%
Somerset	village	3,019	3,208±18	$80,395	$286,600	14.8%	100%
Hammond (town)	town	2,565	2,604±21	$128,182	$406,300	1.5%	100%
Roberts	village	1,919	1,858±243	$93,400	$288,000	10.5%	100%
Hammond	village	1,873	1,960±222	$82,721	$262,200	17.4%	100%
Kinnickinnic (town)	town	1,815	1,603±202	$116,650	$450,300	4.9%	100%
Warren (town), St. Croix County	town	1,733	1,935±344	$154,423	$454,600	2.6%	100%
Woodville	village	1,386	1,424±205	$80,104	$220,300	7.4%	100%
Glenwood City	city	1,306	1,260±173	$72,917	$176,700	12.2%	100%
Eau Galle (town), St. Croix County	town	1,253	1,243±251	$90,840	$421,200	11.0%	100%
Baldwin (town)	town	1,047	1,216±236	$103,068	$378,000	3.5%	100%
Springfield (town), St. Croix County	town	993	1,093±175	$97,188	$309,500	2.4%	100%
Stanton (town), St. Croix County	town	907	927±199	$95,000	$347,300	2.2%	100%
Cady (town)	town	880	848±200	$105,313	$351,900	14.2%	100%
Emerald (town)	town	831	797±110	$100,000	$299,100	6.5%	100%
Glenwood (town)	town	747	805±160	$56,912	$339,500	4.7%	100%
Cylon (town)	town	708	690±112	$100,750	$328,600	4.2%	100%
Star Prairie	village	678	674±149	$77,188	$283,500	11.4%	100%
Erin Prairie (town)	town	673	718±168	$99,306	$387,300	4.3%	100%
Forest (town), St. Croix County	town	638	638±167	$116,118	$403,500	5.6%	100%
Pleasant Valley (town), St. Croix County	town	567	561±121	$96,250	$439,300	7.1%	100%
Rush River (town)	town	500	523±130	$128,125	$414,800	5.5%	100%
HoultonGEOID 5535900	CDP	377	240±108	$113,345	not published	26.3%	100%
Deer ParkGEOID 5519325	village	249	223±68	$66,875	$184,100	5.8%	100%
Wilson	village	209	200±55	$88,750	$216,700	10.4%	100%
EmeraldGEOID 5523900	CDP	145	191±55	$84,500	$161,100	16.2%	100%
Spring Valley	village	1,401	1,290±147	$69,750	$198,900	6.6%	1%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in St. Croix County?

The median resident of St. Croix County is 40.4 years old; 23.8% are under 18 and 16.0% are 65 or older. The largest group is non-Hispanic white residents at 91.4%, then non-Hispanic residents of two or more races at 3.3%. 2.3% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	St. Croix County	Wisconsin	Change since 2015-2019
Median age	40.4±0.4	40.2	+1.5
Under 18 years	23.8%	21.4%	–
65 years and over	16.0%±0.1 pts	18.5%	–
Hispanic or Latino (any race)	3.1%	8.0%	+0.7 pts
White alone, not Hispanic	91.4%±0.4 pts	78.6%	−2.5 pts
Black or African American alone, not Hispanic	0.7%±0.2 pts	5.9%	no clear change
Asian alone, not Hispanic	1.1%±0.2 pts	2.9%	no clear change
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.5%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	3.3%±0.4 pts	3.7%	–
Some other race alone, not Hispanic	0.4%±0.2 pts	0.3%	–
Born outside the United States	2.3%±0.4 pts	5.2%	no clear change
Speak a language other than English at home (age 5+)	3.3%±0.6 pts	9.0%	–
Civilian veterans (age 18+)	6.9%±0.7 pts	6.2%	–
With a disability	10.0%±0.7 pts	12.3%	–
No health insurance coverage	4.1%±0.6 pts	5.2%	no clear change
High school graduate or higher (age 25+)	96.9%±0.5 pts	93.6%	–
Bachelor's degree or higher (age 25+)	39.5%±1.4 pts	33.4%	+4.1 pts
Graduate or professional degree (age 25+)	12.3%±1.1 pts	11.4%	–
Moved from another state in the past year	2.3%±0.5 pts	2.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in St. Croix County earn?

Half of St. Croix County's 37,511 households earn less than $103,046 a year (±$3,545), against $77,485 in Wisconsin. In 2015-2019 it was $104,309 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	St. Croix County	Wisconsin	Change since 2015-2019
Median household income	$103,046±$3,545	$77,485	no clear change
Mean household income	$126,955±$5,182	$101,466	–
Per capita income	$50,302±$1,978	$43,373	no clear change
People below the poverty line	6.6%±0.8 pts	10.6%	+1.4 pts
Children under 18 below the poverty line	7.1%±1.6 pts	12.8%	no clear change
Households receiving SNAP	6.2%±1.1 pts	11.1%	–
Households with a broadband subscription	93.4%±1.1 pts	90.3%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in St. Croix County?

Owners occupy 78.3% of St. Croix County's occupied homes and renters 21.7%. The median owner-occupied home is valued at $377,700 by its owner (±$6,556). The median renter pays $1,271 a month including utilities, and 30.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	St. Croix County	Wisconsin	Change since 2015-2019
Median home value (owner-occupied)	$377,700±$6,556	$266,500	+$76,795
Median gross rent	$1,271±$78	$1,087	+$87
Renters paying 35% or more of income on rent	30.3%±4.0 pts	35.0%	no clear change
Median monthly owner costs, with a mortgage	$1,998±$45	$1,689	–
Owner-occupied homes	78.3%±1.8 pts	67.8%	no clear change
Housing units	38,953±92	2,778,572	+3,091
Homeowner vacancy rate	0.1%±0.1 pts	0.5%	–
Rental vacancy rate	1.5%±0.8 pts	4.5%	–
Single-family detached homes	73.6%±1.5 pts	66.2%	–
Mobile homes	2.8%±0.5 pts	3.1%	–
Built 2020 or later	3.0%±0.6 pts	1.4%	–
Built 1939 or earlier	11.4%±1.1 pts	17.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is St. Croix County building?

Builders took permits for 460 new housing units across St. Croix County in 2025 (456 single-family), 4.7 per 1,000 residents.

2019 558 units
2020 742 units
2021 582 units
2022 557 units
2023 412 units
2024 400 units
2025 460 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in St. Croix County get to work?

73.7% of St. Croix County's workers drive alone and 16.5% work from home. The average trip to work takes 27.0 minutes. The unemployment rate in 2020-2024 averaged 2.6%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	St. Croix County	Wisconsin	Change since 2015-2019
In the labor force (age 16+)	69.0%±0.8 pts	65.3%	–
Unemployment rate	2.6%±0.5 pts	3.2%	no clear change
Drove alone to work	73.7%±1.8 pts	74.4%	–
Carpooled	7.0%±1.2 pts	7.3%	–
Public transportation	0.1%±0.1 pts	1.1%	–
Walked	1.5%±0.5 pts	2.6%	–
Worked from home	16.5%±1.2 pts	13.1%	+10.8 pts
Mean travel time to work	27.0 min±0.7	22.2 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are St. Croix County's census tracts?

St. Croix County is divided into 18 census tracts. Among those with a reliable estimate, median household income runs from $66,667 (Tract 1201) to $187,750 (Tract 1209.06).

Census tracts of St. Croix County, ACS 2020-2024 5-year estimates; sort by any column

Tract 120155109120100	Hudson	2,038	2,260±339	$66,667	$375,400	$1,322	14.8%
Tract 1202.0155109120201	Hudson (90%)	6,018	6,410±488	$95,822	$382,300	$1,179	4.7%
Tract 1202.0255109120202	Hudson (2%)	5,344	5,335±386	$145,728	$507,600	$1,489	2.5%
Tract 120355109120300	North Hudson (56%)	5,777	5,587±299	$126,250	$414,500	$1,541	3.2%
Tract 1204.0155109120401	Somerset (32%)	7,148	7,496±106	$115,781	$408,400	$1,191	7.2%
Tract 1204.0255109120402	Houlton (8%)	4,340	4,409±106	$113,337	$505,600	$1,852	2.5%
Tract 1205.0155109120501	New Richmond (65%)	6,382	6,420±537	$77,642	$300,500	$1,206	17.5%
Tract 1205.0255109120502	New Richmond (68%)	6,338	6,728±470	$100,943	$295,400	$1,184	6.9%
Tract 1206.0155109120601	–	2,866	3,146±367	$127,500	$395,600	$1,697	2.3%
Tract 1206.0255109120602	Star Prairie (10%)	5,533	5,451±331	$89,786	$316,800	$1,099	7.1%
Tract 120755109120700	Glenwood City (12%)	4,766	4,865±317	$88,594	$316,700	$1,213	8.1%
Tract 1208.0155109120801	Baldwin (93%)	3,733	3,810±179	$76,795	$269,500	$1,059	8.9%
Tract 1208.0255109120802	Woodville (14%)	5,150	5,214±370	$90,000	$319,200	$1,095	8.1%
Tract 1209.0155109120901	River Falls (74%)	4,582	5,206±292	$92,854	$335,400	$1,252	4.9%
Tract 1209.0455109120904	Roberts (1%)	4,443	4,668±459	$126,500	$473,200	$2,297	4.2%
Tract 1209.0555109120905	Hudson (90%)	7,179	6,758±450	$101,625	$421,200	$1,391	5.1%
Tract 1209.0655109120906	Hudson (3%)	3,966	4,091±368	$187,750	$602,400	not published	3.6%
Tract 121055109121000	Roberts (23%)	7,933	8,179±360	$110,536	$349,200	$1,190	7.5%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does St. Croix County compare with Wisconsin's other counties?

St. Croix County's rank among Wisconsin's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	17th of 72
Growth 2020-2025	4th of 72
Residents per square mile	20th of 72
Median household income	2nd of 72
Median home value	4th of 72
Median gross rent	3rd of 72
Poverty rate	67th of 72
Bachelor's degree or higher	4th of 72
Median age	55th of 72

Every county in Wisconsin

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for St. Croix County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.