Leading, Slipping, Gaining, Lagging Analysis:
Assessing Construction Employment Growth
Across Illinois Counties
Construction
Employment Growth
County vs Statewide Average: 2010-2022 and 2022
Construction
Employment Growth
Illinois:
2010-2022 = 0.16%
2022 = 3.99%
Borrowing from an approach that sometimes appears in the finance sections of the popular press, LSGL analysis is a handy and versatile way to compare, portray and classify the patterns of construction employment growth across all of Illinois' 102 counties. In finance, this technique is used for comparing and assessing the market performance of individual securities or across industry sectors. For example, the performance of the 30 stocks contained within Dow are compared with one another over the past week in contrast to their performance over the past month using the Dow's respective averages as the points of reference.
Here in this Illinois Regional Economic Analysis Project report, we adopt this approach to gauge and compare the construction employment growth of Illinois' 102 counties over the latest available year (2022) against the backdrop of their growth over the long term period (2010-2022). In so doing we classify their growth and performance into 4 broad categories: Leading, Slipping, Gaining and Lagging.
Construction
Employment Growth
County vs Statewide Average: 2010-2022 and 2022
Construction
Employment Growth
Illinois:
2010-2022 = 0.16%
2022 = 3.99%
This figure displays the 102 counties of Illinois as dots on a scattergram, with the vertical axis representing the average annual construction employment growth rate over the long-term period (2010-2022), and the horizontal axis representing the construction employment growth rate for the near-term (2022).
This figure sets apart those counties whose long-term construction employment growth exceeded the statewide average of 0.16%, by portraying them in the top two quadrants demarcated at 0.16% on the vertical axis. County whose long-term average annual construction employment growth rate trailed the statewide average (0.16%) are distributed in the bottom two quadrants. In all, 26 counties surpassed the statewide average over 2010-2022, while 60 counties fell below.
Similarly, the two quadrants on the right of this figure present the positions of the 38 counties whose most recent (2022) construction employment growth rate exceeded the statewide average (3.99%). The two quadrants on the left feature those 48 counties whose construction employment growth over 2022 trailed the statewide average.
Accordingly, each quadrant portrays the performance of all 102 counties corresponding with their long-term (2010-2022) and near-term (2022) performance relative to their respective statewide averages of 0.16% over 2010-2022 and 3.99% over 2022:
Leading counties () (top-right quadrant)...are counties whose average annual construction employment growth rate surpassed the statewide average both long-term (0.16%) and near-term (3.99%).
Slipping counties () (top-left quadrant)...are counties whose long-term average annual construction employment growth rate exceeded the statewide average (0.16%), but whose near-term growth has "slipped" by falling below the Illinois average (3.99%).
Gaining counties () (bottom-right quadrant)...are counties whose long-term average annual construction employment growth rate fell below the statewide average (0.16%), but whose near-term growth has "gained" by registering above the average (3.99%) statewide.
Lagging counties () (bottom-left quadrant)...are counties whose average annual construction employment growth rate fell under the statewide average both long-term (0.16%) and near-term (3.99%).
   
 
Summary of Illinois' 102 County Totals
 
Short Term Average
 
 
Below
(3.99%)
Above
(3.99%)
 
Long
Term
Average
Above
(0.16%)
16
10
26
Below
(0.16%)
32
28
60
 
48
38
86
 
   
Leading Counties
2022 vs. 2010-2022 Averages
Leading Counties
white dot
Illinois:
2010-2022 = 0.16%
2022 = 3.99%
Turning attention to the top-right quadrant from the discussion above, this figure features the distribution of the Illinois counties classified as Leading. These counties surpassed Illinois' average annual construction employment growth both long-term (2010-2022 = 0.16%) as well as near-term (2022 = 3.99%). Each is identified by its corresponding ranking based on it's average annual construction employment growth rate over 2010-2022.
Of Illinois' 102 counties, just 10 (10%) are classified within the Leading () category. Those counties ranked by their long-term average include:
Slipping Counties
2022 vs. 2010-2022 Averages
Slipping Counties
Illinois:
2010-2022 = 0.16%
2022 = 3.99%
This figure depicts the distribution of the 16 Illinois counties classified as Slipping (top-left quadrant), in that their long-term average annual construction employment growth rate outpaced the average statewide (2010-2022 = 0.16%), while they trailed the statewide average near-term (2022 = 3.99%). Again, each county is identified by it's corresponding ranking based on its average annual construction employment growth rate over 2010-2022.
Observe that 16 (16%) of Illinois' 102 counties are classified as Slipping (). Those counties ranked by their long-term average include:
Gaining Counties
2022 vs. 2010-2022 Averages
Gaining Counties
white dot
Illinois:
2010-2022 = 0.16%
2022 = 3.99%
This figure shows the distribution of the 28 Illinois counties classified as Gaining (bottom-right quadrant), in that their long-term average annual construction employment growth rate posted below the average statewide (2010-2022 = 0.16%), while they outpaced Illinois' average near-term (2022 = 3.99%). Again, each county is identified by its corresponding ranking based on its average annual construction employment growth rate over 2010-2022.
Of Illinois' 102 counties, 27% (28) are featured as Gaining (). Those counties ranked by their long-term average include:
Lagging Counties
2022 vs. 2010-2022 Averages
Lagging Counties
white dot
Illinois:
2010-2022 = 0.16%
2022 = 3.99%
This figure depicts the distributions of the 32 Illinois counties classified as Lagging (bottom-left quadrant). These counties trailed the statewide average annual construction employment growth both long-term (2010-2022 = 0.16%) as well as near-term (2022 = 3.99%). Again, each county is identified by its corresponding ranking based on it's average annual construction employment growth rate over 2010-2022.
31% of Illinois' counties, 32 of 102, are characterized here as Lagging (). Those counties ranked by their long-term average include:
   
 
Illinois
Construction Employment Growth
County vs. Statewide Average
 
2010-2022
 
2022
 
 
Leading Counties
 
20
0.66
 
31
5.06
5,062
 
4
3.14
 
30
5.11
3,351
 
16
0.89
 
6
8.87
712
 
6
2.68
 
25
5.45
290
 
25
0.34
 
39
4.36
11,178
 
19
0.69
 
5
11.93
4,465
 
14
1.21
 
2
14.63
6,213
 
23
0.58
 
18
6.47
1,925
 
5
2.93
 
16
6.71
366
 
11
1.61
 
3
13.65
1,357
Slipping Counties
 
3
3.50
 
51
3.08
1,909
 
15
1.21
 
48
3.33
38,592
 
17
0.73
 
83
-2.88
1,685
 
2
4.38
 
84
-3.53
3,144
 
12
1.59
 
85
-4.97
153
 
22
0.64
 
70
0.75
1,615
 
24
0.44
 
75
0.32
619
 
10
1.94
 
43
3.98
16,780
 
9
2.15
 
64
1.36
2,829
 
21
0.64
 
47
3.38
550
 
8
2.31
 
88
-8.39
262
 
26
0.30
 
91
-10.50
810
 
7
2.61
 
67
1.20
592
 
1
7.45
 
55
2.85
253
 
18
0.70
 
66
1.26
321
 
13
1.39
 
45
3.62
20,750
Gaining Counties
 
65
-1.10
 
22
5.92
304
 
60
-0.85
 
29
5.12
390
 
33
-0.02
 
40
4.29
127,012
 
72
-1.38
 
10
7.86
508
 
39
-0.18
 
23
5.76
312
 
35
-0.06
 
26
5.37
510
 
27
0.13
 
21
5.95
891
 
75
-1.70
 
13
7.45
577
 
52
-0.61
 
27
5.22
826
 
31
0.07
 
24
5.54
1,581
 
46
-0.38
 
12
7.46
792
 
36
-0.07
 
7
8.76
236
 
47
-0.39
 
11
7.47
892
 
29
0.11
 
36
4.63
19,402
 
41
-0.23
 
19
6.04
8,236
 
74
-1.58
 
9
8.36
739
 
43
-0.33
 
34
4.77
593
 
78
-2.20
 
35
4.68
693
 
85
-3.06
 
28
5.20
283
 
58
-0.74
 
8
8.51
357
 
30
0.11
 
17
6.57
616
 
68
-1.24
 
20
6.01
4,781
 
71
-1.33
 
15
6.99
199
 
61
-0.86
 
42
4.19
323
 
76
-1.88
 
38
4.44
282
 
82
-2.66
 
1
19.63
518
 
28
0.11
 
41
4.26
1,151
 
50
-0.58
 
37
4.62
6,268
Lagging Counties
 
57
-0.72
 
74
0.48
1,874
 
86
-3.79
 
92
-51.23
119
 
55
-0.68
 
77
0.00
779
 
84
-3.03
 
52
3.02
683
 
66
-1.19
 
80
-0.92
429
 
53
-0.62
 
53
3.01
171
 
44
-0.34
 
50
3.11
1,359
 
45
-0.35
 
82
-2.62
1,265
 
51
-0.58
 
90
-9.20
474
 
63
-1.05
 
62
1.75
348
 
80
-2.54
 
63
1.51
202
 
70
-1.28
 
46
3.39
396
 
73
-1.40
 
89
-9.00
829
 
54
-0.67
 
44
3.80
2,076
 
38
-0.13
 
78
-0.52
2,508
 
79
-2.27
 
81
-1.96
551
 
34
-0.05
 
76
0.11
941
 
40
-0.20
 
60
2.25
592
 
49
-0.56
 
56
2.77
3,892
 
64
-1.06
 
59
2.27
1,126
 
83
-2.83
 
79
-0.55
180
 
81
-2.65
 
58
2.58
239
 
77
-1.99
 
86
-6.13
245
 
42
-0.24
 
68
1.05
1,155
 
56
-0.70
 
57
2.58
4,733
 
69
-1.27
 
72
0.55
367
 
32
-0.02
 
53
3.01
684
 
62
-0.93
 
49
3.31
281
 
67
-1.20
 
69
1.02
3,669
 
37
-0.12
 
65
1.35
451
 
59
-0.83
 
73
0.54
4,062
 
48
-0.47
 
61
2.22
1,242
Undefined/Suppressed Counties
 
U
U
 
S
S
S
 
U
U
 
14
7.41
87
 
U
U
 
S
S
279
 
U
U
 
S
S
S
 
U
U
 
S
S
S
 
U
U
 
87
-7.25
64
 
U
U
 
S
S
S
 
U
U
 
71
0.74
137
 
U
U
 
S
S
200
 
U
U
 
4
13.53
235
 
U
U
 
S
S
53
 
U
U
 
S
S
S
 
U
U
 
S
S
208
 
U
U
 
32
5.05
104
 
U
U
 
S
S
S
 
U
U
 
33
4.87
1,766
 
 
 
 
 
 
 
 
 
0.16
 
3.99
346,844
 
 
 
 
 
 
 
 
 
1.83
 
4.15
11,867,800
November 2023
REAP_PI_CA1500N_510400_LSGL
 
   
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