Florence

Isanti County, Minnesota — DOW #30003500

124 Surveys

135.45

Acres

26 ft

Max Depth

Fish Species

Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Florence. Green = above normal range. Red = below normal.

Black Bullhead

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	9.0 (normal)	1.5 – 58.0	0.13 lb	36
1976-06-23	Standard gill nets	100.0 (normal)	7.7 – 104.7	0.12 lb	300
1982-06-17	Standard trap nets	3.0 (normal)	1.5 – 58.0	0.26 lb	12
1982-06-17	Standard gill nets	192.3 (above normal)	7.7 – 104.7	0.16 lb	577
1986-06-16	Standard gill nets	33.0 (normal)	7.7 – 104.7	0.23 lb	99
1986-06-16	Standard trap nets	3.0 (normal)	1.5 – 58.0	0.21 lb	9
1991-06-17	Standard trap nets	6.3 (normal)	1.5 – 58.0	0.17 lb	25
1991-06-17	Standard gill nets	72.0 (normal)	7.7 – 104.7	0.19 lb	216
2013-06-17	Standard gill nets	37.2 (normal)	7.7 – 104.7	0.28 lb	223
2013-06-17	Standard trap nets	1.9 (normal)	1.5 – 58.0	0.47 lb	17

Brown Bullhead

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	1.5 (normal)	0.4 – 5.1	0.37 lb	6
1982-06-17	Standard trap nets	0.5 (normal)	0.4 – 5.1	0.78 lb	2
1982-06-17	Standard gill nets	0.3 (below normal)	0.8 – 7.0	0.70 lb	1
1991-06-17	Standard trap nets	0.8 (normal)	0.4 – 5.1	0.37 lb	3
1991-06-17	Standard gill nets	0.7 (below normal)	0.8 – 7.0	1.50 lb	2
2013-06-17	Standard gill nets	0.3 (below normal)	0.8 – 7.0	0.33 lb	2
2013-06-17	Backpack electrofishing	0.8	—	—	1
2013-06-17	Standard trap nets	0.4 (normal)	0.4 – 5.1	0.67 lb	4

Yellow Perch

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	0.5 (normal)	0.4 – 2.8	0.15 lb	2
1976-06-23	Standard gill nets	6.7 (normal)	2.0 – 22.3	0.10 lb	20
1982-06-17	Standard gill nets	0.7 (below normal)	2.0 – 22.3	0.12 lb	2
1986-06-16	Standard gill nets	16.0 (normal)	2.0 – 22.3	0.10 lb	48
1991-06-17	Standard trap nets	0.5 (normal)	0.4 – 2.8	0.30 lb	2
1991-06-17	Standard gill nets	6.0 (normal)	2.0 – 22.3	0.09 lb	18
2013-06-17	50-ft beach seine	1.3	—	—	13
2013-06-17	Standard gill nets	0.7 (below normal)	2.0 – 22.3	0.11 lb	4
2013-06-17	Standard trap nets	0.1 (below normal)	0.4 – 2.8	0.11 lb	1

Green Sunfish

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	1.5 (normal)	0.3 – 2.8	0.07 lb	6
1982-06-17	Standard trap nets	6.3 (above normal)	0.3 – 2.8	0.06 lb	25
1986-06-16	Standard trap nets	5.3 (above normal)	0.3 – 2.8	0.07 lb	16
1991-06-17	Standard trap nets	2.8 (normal)	0.3 – 2.8	0.05 lb	11
1991-06-17	Standard gill nets	0.7 (normal)	0.5 – 1.5	0.10 lb	2
2013-06-17	Backpack electrofishing	9.4	—	—	11
2013-06-17	50-ft beach seine	1.3	—	—	13

Northern Pike

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard gill nets	13.7 (above normal)	2.0 – 10.8	2.27 lb	41
1976-06-23	Standard trap nets	0.5	—	1.50 lb	2
1982-06-17	Standard gill nets	12.0 (above normal)	2.0 – 10.8	3.70 lb	36
1982-06-17	Standard trap nets	0.3	—	5.45 lb	1
1986-06-16	Standard gill nets	7.7 (normal)	2.0 – 10.8	1.91 lb	23
1991-06-17	Standard gill nets	8.3 (normal)	2.0 – 10.8	2.05 lb	25
1991-06-17	Standard trap nets	0.3	—	1.20 lb	1
2013-06-17	Standard gill nets	11.8 (above normal)	2.0 – 10.8	2.01 lb	71
2013-06-17	Backpack electrofishing	1.7	—	—	2
2013-06-17	Standard trap nets	0.7	—	2.30 lb	6

Golden Shiner

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard gill nets	0.7 (normal)	0.6 – 2.8	0.10 lb	2
1976-06-23	Standard trap nets	3.0 (above normal)	0.3 – 1.6	0.06 lb	12
1982-06-17	Standard trap nets	5.5 (above normal)	0.3 – 1.6	0.06 lb	22
1986-06-16	Standard gill nets	0.7 (normal)	0.6 – 2.8	0.01 lb	2
1986-06-16	Standard trap nets	0.7 (normal)	0.3 – 1.6	0.01 lb	2
1991-06-17	Standard gill nets	0.3 (below normal)	0.6 – 2.8	0.10 lb	1
1991-06-17	Standard trap nets	2.8 (above normal)	0.3 – 1.6	0.05 lb	11

Rock Bass

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard gill nets	0.3 (normal)	0.3 – 1.5	0.80 lb	1

Yellow Bullhead

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	4.0 (normal)	1.0 – 7.1	0.42 lb	16
1982-06-17	Standard gill nets	0.7 (normal)	0.5 – 5.0	0.38 lb	2
1982-06-17	Standard trap nets	1.3 (normal)	1.0 – 7.1	0.42 lb	5
1986-06-16	Standard trap nets	1.0 (normal)	1.0 – 7.1	0.57 lb	3
1991-06-17	Standard trap nets	0.5 (below normal)	1.0 – 7.1	0.30 lb	2
2013-06-17	Backpack electrofishing	8.5	—	—	10
2013-06-17	Standard trap nets	1.3 (normal)	1.0 – 7.1	0.55 lb	12
2013-06-17	Standard gill nets	0.7 (normal)	0.5 – 5.0	0.48 lb	4

Common Carp

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	1.3 (normal)	0.4 – 2.4	3.56 lb	5
1982-06-17	Standard gill nets	0.3 (below normal)	0.8 – 4.3	5.10 lb	1
1986-06-16	Standard trap nets	0.3 (below normal)	0.4 – 2.4	4.40 lb	1
2013-06-17	Standard trap nets	0.1 (below normal)	0.4 – 2.4	9.65 lb	1

Hybrid Sunfish

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	1.0	—	0.15 lb	4
1986-06-16	Standard trap nets	10.3	—	0.16 lb	31
1991-06-17	Standard gill nets	0.3	—	0.10 lb	1
1991-06-17	Standard trap nets	5.0	—	0.12 lb	20
2013-06-17	Standard gill nets	0.3	—	0.23 lb	2
2013-06-17	Backpack electrofishing	0.8	—	—	1
2013-06-17	Standard trap nets	5.0	—	0.30 lb	45
2013-06-17	50-ft beach seine	1.7	—	—	17

Pumpkinseed

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard gill nets	0.3	—	0.20 lb	1
1976-06-23	Standard trap nets	4.8 (normal)	0.7 – 6.5	0.08 lb	19
1982-06-17	Standard gill nets	1.7	—	0.09 lb	5
1982-06-17	Standard trap nets	51.0 (above normal)	0.7 – 6.5	0.06 lb	204
1986-06-16	Standard gill nets	0.7	—	0.10 lb	2
1986-06-16	Standard trap nets	3.0 (normal)	0.7 – 6.5	0.13 lb	9
1991-06-17	Standard gill nets	2.0	—	0.12 lb	6
1991-06-17	Standard trap nets	16.3 (above normal)	0.7 – 6.5	0.12 lb	65
2013-06-17	Standard gill nets	1.8	—	0.19 lb	11
2013-06-17	Backpack electrofishing	2.6	—	—	3
2013-06-17	Standard trap nets	10.2 (above normal)	0.7 – 6.5	0.24 lb	92
2013-06-17	50-ft beach seine	3.0	—	—	30

Black Crappie

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard gill nets	12.7 (normal)	1.7 – 17.5	0.12 lb	38
1976-06-23	Standard trap nets	5.0 (normal)	2.1 – 24.1	0.11 lb	20
1982-06-17	Standard gill nets	15.3 (normal)	1.7 – 17.5	0.14 lb	46
1982-06-17	Standard trap nets	1.5 (below normal)	2.1 – 24.1	0.15 lb	6
1986-06-16	Standard gill nets	0.3 (below normal)	1.7 – 17.5	0.15 lb	1
1991-06-17	Standard gill nets	8.7 (normal)	1.7 – 17.5	0.06 lb	26
1991-06-17	Standard trap nets	4.0 (normal)	2.1 – 24.1	0.15 lb	16
2013-06-17	Standard gill nets	2.3 (normal)	1.7 – 17.5	0.09 lb	14
2013-06-17	Standard trap nets	2.2 (normal)	2.1 – 24.1	0.23 lb	20

Bluegill

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1976-06-23	Standard trap nets	0.3 (below normal)	3.5 – 57.1	0.40 lb	1
1982-06-17	Standard gill nets	1.3	—	0.12 lb	4
1982-06-17	Standard trap nets	69.0 (above normal)	3.5 – 57.1	0.10 lb	276
1986-06-16	Standard trap nets	2.3 (below normal)	3.5 – 57.1	0.16 lb	7
1986-06-16	Standard gill nets	0.3	—	0.20 lb	1
1991-06-17	Standard gill nets	4.3	—	0.15 lb	13
1991-06-17	Standard trap nets	78.3 (above normal)	3.5 – 57.1	0.15 lb	313
2013-06-17	Standard gill nets	4.0	—	0.23 lb	24
2013-06-17	Backpack electrofishing	16.2	—	—	19
2013-06-17	Standard trap nets	103.0 (above normal)	3.5 – 57.1	0.06 lb	927
2013-06-17	50-ft beach seine	36.6	—	—	366

Walleye

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1982-06-17	Standard gill nets	0.3 (below normal)	0.8 – 3.8	2.00 lb	1
1991-06-17	Standard gill nets	1.0 (normal)	0.8 – 3.8	3.33 lb	3
2013-06-17	Standard gill nets	1.0 (normal)	0.8 – 3.8	0.90 lb	6
2013-06-17	Standard electrofishing	4.4	—	0.82 lb	2

White Sucker

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1982-06-17	Standard gill nets	1.3 (normal)	0.5 – 2.3	0.59 lb	4

Bowfin

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1982-06-17	Standard trap nets	0.8 (normal)	0.3 – 1.3	3.77 lb	3
1986-06-16	Standard trap nets	1.3 (above normal)	0.3 – 1.3	3.59 lb	4
1991-06-17	Standard gill nets	0.3 (normal)	0.3 – 1.3	3.00 lb	1
2013-06-17	Standard gill nets	0.8 (normal)	0.3 – 1.3	2.81 lb	5
2013-06-17	Standard trap nets	0.7 (normal)	0.3 – 1.3	2.91 lb	6

Largemouth Bass

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1991-06-17	Standard trap nets	0.5 (normal)	0.2 – 0.8	0.70 lb	2
2013-06-17	50-ft beach seine	0.4	—	—	4
2013-06-17	Standard electrofishing	102.4	—	0.66 lb	47
2013-06-17	Standard gill nets	0.8 (above normal)	0.3 – 0.6	0.97 lb	5
2013-06-17	Backpack electrofishing	0.8	—	—	1

Fathead Minnow

Date	Gear	CPUE	Normal Range	Total Catch
2013-06-17	Backpack electrofishing	3.4	—	4

CNM

Date	Gear	CPUE	Normal Range	Total Catch
2013-06-17	Backpack electrofishing	3.4	—	4
2013-06-17	50-ft beach seine	0.1	—	1

BKF

Date	Gear	CPUE	Normal Range	Total Catch
2013-06-17	Backpack electrofishing	1.7	—	2

Tadpole Madtom

Date	Gear	CPUE	Normal Range	Total Catch
2013-06-17	Backpack electrofishing	23.0	—	27

Depth Maps & Lake Info

View on MN DNR LakeFinder

Map & Directions

Get Directions

Showing 14 nearby bait & tackle shops on the map.

Nearby Marinas

Anderson Dock Lift And Outdoor Services

Isanti, MN

(612) 986-2448

★ 5

Blue Lake Public Launch

Zimmerman, MN

★ 4

Lake Fanny - North Launch

Cambridge, MN

Legacy Motor and Marine LLC

Isanti, MN

(763) 313-2486

★ 4.6

On The Level Properties, LLC

Princeton, MN

★ 5

Performance Dock and Lift

Grandy, MN

(612) 325-9871

★ 4.5

Fish Species

Species known to inhabit Florence. Click any species for a full fishing guide.

Black Bullhead Black Crappie Bluegill Bowfin (Dogfish)Brown Bullhead Common Carp Green Sunfish Hybrid Sunfish Largemouth Bass Northern Pike Pumpkinseed Walleye White Sucker Yellow Bullhead Yellow Perch

Other Lakes in Isanti County

Elizabeth

Elms

51.6 acres

Fannie

360.01 acres

Plan Your Trip to Florence

Weather forecast for Florence — check wind, rain, and temperature before you go
GPS: 45.5418°N, 93.2240°W — Get Directions
View on MN DNR LakeFinder for the latest survey data and lake info
Review Minnesota fishing regulations for season dates and limits
A Minnesota fishing license is required for ages 16+ — buy online at dnr.state.mn.us

Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.

Florence

DNR Fish Surveys

Black Bullhead

Brown Bullhead

Yellow Perch

Green Sunfish

Northern Pike

Golden Shiner

Rock Bass

Yellow Bullhead

Common Carp

Hybrid Sunfish

Pumpkinseed

Black Crappie

Bluegill

Walleye

White Sucker

Bowfin

Largemouth Bass

Fathead Minnow

CNM

BKF

Tadpole Madtom

Depth Maps & Lake Info

Map & Directions

Nearby Bait & Tackle

EC'S Corner Express

Nomadlund Outfitters

North Central Outpost

65 Bait

Adrenaline Archery and Bait

Angler's Paradise Reel Repair

BackWoods Bear Bait

Bait Caddy

Nearby Marinas

Anderson Dock Lift And Outdoor Services

Blue Lake Public Launch

Lake Fanny - North Launch

Legacy Motor and Marine LLC

On The Level Properties, LLC

Performance Dock and Lift

Fish Species

Other Lakes in Isanti County

Adams

Baxter

Blue

Elizabeth

Elms

Fannie

Plan Your Trip to Florence