| 1904 | 1914 | 1918 | |
| Banks & Trust Cos. | 17 | 28 | 27 |
| " " " " Deposits | $ 48,593,824 | $ 91,881,371 | $ 150,584,502 |
| Insurance Agencies | 50 | 96 | 110 |
| Fire insurance in force | $ 585,496,689 | $1,823,849,317 | $2,472,090,772 |
| Life " " " | $1,416,345,076 | $3,306,711,318 | $4,879,947,621 |
| Building & Loan Associations | 111 | 245 | 259 |
| Postal Savings Deposit | (Begun Sept. 15, 1911) | $27,573 | $42,587 |
3. General Growth:
| 1904 | 1914 | 1918 | |
| Population (Bd. of Health estimates) | 272,000 | 395,000 | 430,000 |
| Names listed in Newark directory | 105,631 | 172,756 | 201,894 |
| Corporations listed in Newark directory | 573 | 1,695 | 1,751 |
| Building permits granted | 2,155 | 2,104 | 1,696 |
| Amount spent on buildings | $6,000,000 | $10,610,277 | $5,000,000 |
4. Factories:
| 1904 | 1914 | 1917 | |||
| Establishments | not available | 729 | 820 | ||
| Total capital invested | " | $ | 141,796,120.00 | $ | 204,249,525.00 |
| Cost value of material used | " | $ | 89,998,186.00 | $ | 203,732,015.00 |
| Selling value of goods made | " | $ | 167,793,408.00 | $ | 332,426,904.00 |
| Average number persons employed | " | 57,156 | 69,066 | ||
| Total amount paid in wages | " | $ | 30,714,116.00 | $ | 53,277,897.00 |
| Average yearly earnings of workers | " | $ | 537.37 | $ | 771.41 |
Infantile Paralysis: Epidemic occurred during July, Aug. and Sept. 1, 1916. 1,360 cases with 363 deaths. Greatest number of cases reported week ending Aug. 12, 260. Highest prevalence under 5 years of age.
Necessitated closing all-year and summer schools, July 19, 1916, and postponing the opening of fall sessions until Sept. 25.
Influenza: Outset of epidemic apparent during last 4 days of Sept., 1918, when 435 cases were reported. Simultaneously a remarkable increase in pneumonia. Greatest daily number of influenza cases reported was 1,626, on Oct. 14. Most prevalent in Oct. but continued through Nov. and Dec. with a total of 29,269 cases of influenza and 3,853 cases of pneumonia. High prevalence was between 20 and 30 years. Total deaths, Oct.-Dec., 1918, were 1,354 from influenza and 829 from pneumonia.
All public drinking places, theaters, churches, dance halls, billiard rooms and other public places of assemblage closed Oct. 10-22. Schools closed Oct. 11, reopened Oct. 28.